diff --git a/handlers/webpac-handler.js b/handlers/webpac-handler.js
index b249e12..450107f 100644
--- a/handlers/webpac-handler.js
+++ b/handlers/webpac-handler.js
@@ -8,6 +8,17 @@ const {
 } = require('../lib/utils')
 const logger = require('../lib/logger')
 const requests = require('../lib/requests')
+const { NyplSourceMapper, config } = require('@nypl/node-utils')
+
+let nyplSourceMapperInstance = null
+const getNyplSourceMapper = async () => {
+  if (!nyplSourceMapperInstance) {
+    await config.loadConfig()
+    await NyplSourceMapper.loadInstance()
+    nyplSourceMapperInstance = NyplSourceMapper.instance()
+  }
+  return nyplSourceMapperInstance
+}
 
 const expressions = {
   /**
@@ -112,9 +123,24 @@ const expressions = {
   },
 
   recordReg: {
-    expr: /\/record=b(\d{8})/,
+    expr: /\/record=([a-zA-Z0-9-]+)/,
     handler: async (match, request) => {
-      const num = match[1]
+      const identifier = match[1]
+
+      let num
+      try {
+        const mapper = await getNyplSourceMapper()
+        const mapping = mapper.splitIdentifier(identifier)
+        if (mapping && mapping.id) {
+          num = mapping.id
+        } else {
+          return `${process.env.RC_BASE_URL}/404/redirect`
+        }
+      } catch (e) {
+        logger.warn(`NyplSourceMapper could not split identifier ${identifier}`)
+        return `${process.env.RC_BASE_URL}/404/redirect`
+      }
+
       const { collection } = request.query
       const circCollection = Array.isArray(collection) && collection.includes('circ')
       const vegaUrl = `${process.env.VEGA_HOST}/search/card?recordId=${num.replace(/\D/g, '')}`
@@ -123,7 +149,7 @@ const expressions = {
       }
       const { isResearch } = await requests.queryIsResearch(num, 'id')
       if (isResearch) {
-        return `${process.env.RC_BASE_URL}/bib/b${num}`
+        return `${process.env.RC_BASE_URL}/bib/${identifier}`
       } else return vegaUrl
     }
   },
diff --git a/package-lock.json b/package-lock.json
index 52ee8f1..742063e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "@aws-sdk/client-kms": "^3.577.0",
+        "@nypl/node-utils": "^1.2.0",
         "@nypl/nypl-data-api-client": "^2.0.0",
         "dotenv": "^16.4.5",
         "winston": "^3.18.3"
@@ -607,13 +608,12 @@
       }
     },
     "node_modules/@aws-sdk/xml-builder": {
-      "version": "3.972.13",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.972.13.tgz",
-      "integrity": "sha512-I/+BMxM4WE/6xL0tyV7tAUDOAXmyw/va1oGr/eSly43HmLUcD1G+v96vEKAA8VoLcZ03ZQo/PWzjmN9zQErqPQ==",
+      "version": "3.972.37",
+      "resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.972.37.tgz",
+      "integrity": "sha512-zKq4HQum8JwDyEuyfuI4bbiAcU0KxP6qy+9PR/IsR92IyE/DaBAikzAS50tjxip4bqIIANpCcG+Yyj6CVhXupg==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@smithy/types": "^4.13.1",
-        "fast-xml-parser": "5.5.6",
+        "@smithy/types": "^4.16.1",
         "tslib": "^2.6.2"
       },
       "engines": {
@@ -658,6 +658,17 @@
         "node": ">=12"
       }
     },
+    "node_modules/@nypl/node-utils": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@nypl/node-utils/-/node-utils-1.2.0.tgz",
+      "integrity": "sha512-73QVLLGdZSuBeH0UaXVC08051HM2NQv+J6bCTu4rLVEMEHtU2TcbjSwCBS+qqoKBN3YP9IQ0tsbZHvov8ZTmJQ==",
+      "license": "ISC",
+      "dependencies": {
+        "@aws-sdk/client-kms": "^3.926.0",
+        "winston": "^3.18.3",
+        "yaml": "^2.8.1"
+      }
+    },
     "node_modules/@nypl/nypl-core-objects": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/@nypl/nypl-core-objects/-/nypl-core-objects-3.0.4.tgz",
@@ -1105,9 +1116,9 @@
       }
     },
     "node_modules/@smithy/types": {
-      "version": "4.13.1",
-      "resolved": "https://registry.npmjs.org/@smithy/types/-/types-4.13.1.tgz",
-      "integrity": "sha512-787F3yzE2UiJIQ+wYW1CVg2odHjmaWLGksnKQHUrK/lYZSEcy1msuLVvxaR/sI2/aDe9U+TBuLsXnr3vod1g0g==",
+      "version": "4.16.1",
+      "resolved": "https://registry.npmjs.org/@smithy/types/-/types-4.16.1.tgz",
+      "integrity": "sha512-0JFs3V2y2M9tKW5na/qxe69Zv+uxLMO7QBbhxF/FHu/Gp2NFZAAL9tWl9PU02xxo07pb3G9FTyjNc6D5uZrJIg==",
       "license": "Apache-2.0",
       "dependencies": {
         "tslib": "^2.6.2"
@@ -1351,6 +1362,18 @@
       "integrity": "sha512-6WaYesThRMCl19iryMYP7/x2OVgCtbIVflDGFpWnb9irXI3UjYE4AzmYuiUKY1AJstGijoY+MgUszMgRxIYTYw==",
       "license": "MIT"
     },
+    "node_modules/agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
     "node_modules/ansi-regex": {
       "version": "6.2.2",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.2.2.tgz",
@@ -1415,14 +1438,15 @@
       }
     },
     "node_modules/axios": {
-      "version": "1.13.6",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.13.6.tgz",
-      "integrity": "sha512-ChTCHMouEe2kn713WHbQGcuYrr6fXTBiu460OTwWrWob16g1bXn4vtz07Ope7ewMozJAnEquLk5lWQWtBig9DQ==",
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.19.0.tgz",
+      "integrity": "sha512-ht/iuYZXEjFxLH/Hkezgd7m6JKlHHXEUSneaDz8uZe1Gj5QZtCnpyDsckvAiEnT89OEbCLmnte4R4sn7P0EKFw==",
       "license": "MIT",
       "dependencies": {
-        "follow-redirects": "^1.15.11",
-        "form-data": "^4.0.5",
-        "proxy-from-env": "^1.1.0"
+        "follow-redirects": "^1.16.0",
+        "form-data": "^4.0.6",
+        "https-proxy-agent": "^5.0.1",
+        "proxy-from-env": "^2.1.0"
       }
     },
     "node_modules/balanced-match": {
@@ -1439,9 +1463,9 @@
       "license": "MIT"
     },
     "node_modules/brace-expansion": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
-      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.1.4.tgz",
+      "integrity": "sha512-hGfVzPxthbf3+2yjg/RBs60cB0FhqBS/zvdV/4wn4/BmN0bNMMHPc4V/BbFieqf1TKAGGAHnY4eSjajCl0f2Xg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1755,7 +1779,6 @@
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
       "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -1864,9 +1887,9 @@
       }
     },
     "node_modules/es-object-atoms": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
-      "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.2.tgz",
+      "integrity": "sha512-HWcBoN6NileqtSydK2FqHbS/LoDd2pqrnQHLyJzBj4kOp/ky2MWMN694xOfkK8/SnUsW2DH7EfyVlydKCsm1Zw==",
       "license": "MIT",
       "dependencies": {
         "es-errors": "^1.3.0"
@@ -1912,41 +1935,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/fast-xml-builder": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/fast-xml-builder/-/fast-xml-builder-1.1.4.tgz",
-      "integrity": "sha512-f2jhpN4Eccy0/Uz9csxh3Nu6q4ErKxf0XIsasomfOihuSUa3/xw6w8dnOtCDgEItQFJG8KyXPzQXzcODDrrbOg==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/NaturalIntelligence"
-        }
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "path-expression-matcher": "^1.1.3"
-      }
-    },
-    "node_modules/fast-xml-parser": {
-      "version": "5.5.6",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.5.6.tgz",
-      "integrity": "sha512-3+fdZyBRVg29n4rXP0joHthhcHdPUHaIC16cuyyd1iLsuaO6Vea36MPrxgAzbZna8lhvZeRL8Bc9GP56/J9xEw==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/NaturalIntelligence"
-        }
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "fast-xml-builder": "^1.1.4",
-        "path-expression-matcher": "^1.1.3",
-        "strnum": "^2.1.2"
-      },
-      "bin": {
-        "fxparser": "src/cli/cli.js"
-      }
-    },
     "node_modules/fecha": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/fecha/-/fecha-4.2.3.tgz",
@@ -1985,9 +1973,9 @@
       "license": "MIT"
     },
     "node_modules/follow-redirects": {
-      "version": "1.15.11",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
-      "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==",
+      "version": "1.16.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
+      "integrity": "sha512-y5rN/uOsadFT/JfYwhxRS5R7Qce+g3zG97+JrtFZlC9klX/W5hD7iiLzScI4nZqUS7DNUdhPgw4xI8W2LuXlUw==",
       "funding": [
         {
           "type": "individual",
@@ -2022,16 +2010,16 @@
       }
     },
     "node_modules/form-data": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
-      "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.6.tgz",
+      "integrity": "sha512-vKatAh4SlVfgbv+YtmhiRjhEMJsYpsG1Y2rMQtR+SVSbytsSD1YGzDIcrAJmdFec88u/+VoGmxnl+80gL1tRCQ==",
       "license": "MIT",
       "dependencies": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.8",
         "es-set-tostringtag": "^2.1.0",
-        "hasown": "^2.0.2",
-        "mime-types": "^2.1.12"
+        "hasown": "^2.0.4",
+        "mime-types": "^2.1.35"
       },
       "engines": {
         "node": ">= 6"
@@ -2173,9 +2161,9 @@
       }
     },
     "node_modules/hasown": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
-      "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.4.tgz",
+      "integrity": "sha512-T2UbfbBEF32wiepXIsMlTW9+dDYC6wMh/t/vYA4tuOMKqWz/n3vr1NFSxQiyP+zk2mXsoMA/i/7qV6LKut1t1A==",
       "license": "MIT",
       "dependencies": {
         "function-bind": "^1.1.2"
@@ -2193,6 +2181,19 @@
         "he": "bin/he"
       }
     },
+    "node_modules/https-proxy-agent": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
@@ -2277,10 +2278,20 @@
       }
     },
     "node_modules/js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.1.tgz",
+      "integrity": "sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==",
       "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "license": "MIT",
       "dependencies": {
         "argparse": "^2.0.1"
@@ -2469,9 +2480,9 @@
       }
     },
     "node_modules/mocha": {
-      "version": "11.7.5",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-11.7.5.tgz",
-      "integrity": "sha512-mTT6RgopEYABzXWFx+GcJ+ZQ32kp4fMf0xvpZIIfSq9Z8lC/++MtcCnQ9t5FP2veYEP95FIYSvW+U9fV4xrlig==",
+      "version": "11.8.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-11.8.0.tgz",
+      "integrity": "sha512-VyCeUdGN3A9lmCTTgG4yuvY9ixxaDk+xt2R/7/+1AP6EqNG+G9OKkzBwhVtVYoNX8YsxNSgAl8mOv3IAeOpFbw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -2620,21 +2631,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/path-expression-matcher": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/path-expression-matcher/-/path-expression-matcher-1.1.3.tgz",
-      "integrity": "sha512-qdVgY8KXmVdJZRSS1JdEPOKPdTiEK/pi0RkcT2sw1RhXxohdujUlJFPuS1TSkevZ9vzd3ZlL7ULl1MHGTApKzQ==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/NaturalIntelligence"
-        }
-      ],
-      "license": "MIT",
-      "engines": {
-        "node": ">=14.0.0"
-      }
-    },
     "node_modules/path-key": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
@@ -2680,10 +2676,13 @@
       "license": "ISC"
     },
     "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
-      "license": "MIT"
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+      "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
     },
     "node_modules/randombytes": {
       "version": "2.1.0",
@@ -2979,18 +2978,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/strnum": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.2.1.tgz",
-      "integrity": "sha512-BwRvNd5/QoAtyW1na1y1LsJGQNvRlkde6Q/ipqqEaivoMdV+B1OMOTVdwR+N/cwVUcIt9PYyHmV8HyexCZSupg==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/NaturalIntelligence"
-        }
-      ],
-      "license": "MIT"
-    },
     "node_modules/supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -3212,6 +3199,21 @@
         "node": ">=10"
       }
     },
+    "node_modules/yaml": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.9.0.tgz",
+      "integrity": "sha512-2AvhNX3mb8zd6Zy7INTtSpl1F15HW6Wnqj0srWlkKLcpYl/gMIMJiyuGq2KeI2YFxUPjdlB+3Lc10seMLtL4cA==",
+      "license": "ISC",
+      "bin": {
+        "yaml": "bin.mjs"
+      },
+      "engines": {
+        "node": ">= 14.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/eemeli"
+      }
+    },
     "node_modules/yargs": {
       "version": "17.7.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz",
@@ -3802,12 +3804,11 @@
       }
     },
     "@aws-sdk/xml-builder": {
-      "version": "3.972.13",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.972.13.tgz",
-      "integrity": "sha512-I/+BMxM4WE/6xL0tyV7tAUDOAXmyw/va1oGr/eSly43HmLUcD1G+v96vEKAA8VoLcZ03ZQo/PWzjmN9zQErqPQ==",
+      "version": "3.972.37",
+      "resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.972.37.tgz",
+      "integrity": "sha512-zKq4HQum8JwDyEuyfuI4bbiAcU0KxP6qy+9PR/IsR92IyE/DaBAikzAS50tjxip4bqIIANpCcG+Yyj6CVhXupg==",
       "requires": {
-        "@smithy/types": "^4.13.1",
-        "fast-xml-parser": "5.5.6",
+        "@smithy/types": "^4.16.1",
         "tslib": "^2.6.2"
       }
     },
@@ -3840,6 +3841,16 @@
         "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
       }
     },
+    "@nypl/node-utils": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@nypl/node-utils/-/node-utils-1.2.0.tgz",
+      "integrity": "sha512-73QVLLGdZSuBeH0UaXVC08051HM2NQv+J6bCTu4rLVEMEHtU2TcbjSwCBS+qqoKBN3YP9IQ0tsbZHvov8ZTmJQ==",
+      "requires": {
+        "@aws-sdk/client-kms": "^3.926.0",
+        "winston": "^3.18.3",
+        "yaml": "^2.8.1"
+      }
+    },
     "@nypl/nypl-core-objects": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/@nypl/nypl-core-objects/-/nypl-core-objects-3.0.4.tgz",
@@ -4186,9 +4197,9 @@
       }
     },
     "@smithy/types": {
-      "version": "4.13.1",
-      "resolved": "https://registry.npmjs.org/@smithy/types/-/types-4.13.1.tgz",
-      "integrity": "sha512-787F3yzE2UiJIQ+wYW1CVg2odHjmaWLGksnKQHUrK/lYZSEcy1msuLVvxaR/sI2/aDe9U+TBuLsXnr3vod1g0g==",
+      "version": "4.16.1",
+      "resolved": "https://registry.npmjs.org/@smithy/types/-/types-4.16.1.tgz",
+      "integrity": "sha512-0JFs3V2y2M9tKW5na/qxe69Zv+uxLMO7QBbhxF/FHu/Gp2NFZAAL9tWl9PU02xxo07pb3G9FTyjNc6D5uZrJIg==",
       "requires": {
         "tslib": "^2.6.2"
       }
@@ -4362,6 +4373,14 @@
       "resolved": "https://registry.npmjs.org/@types/triple-beam/-/triple-beam-1.3.5.tgz",
       "integrity": "sha512-6WaYesThRMCl19iryMYP7/x2OVgCtbIVflDGFpWnb9irXI3UjYE4AzmYuiUKY1AJstGijoY+MgUszMgRxIYTYw=="
     },
+    "agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "requires": {
+        "debug": "4"
+      }
+    },
     "ansi-regex": {
       "version": "6.2.2",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.2.2.tgz",
@@ -4405,13 +4424,14 @@
       "integrity": "sha512-9cYNccliXZDByFsFliVwk5GvTq058Fj513CiR4E60ndDwmuXzTJEp/Bp8FyuRmGyYupLjHLs+JA9/CBoVS4/NQ=="
     },
     "axios": {
-      "version": "1.13.6",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.13.6.tgz",
-      "integrity": "sha512-ChTCHMouEe2kn713WHbQGcuYrr6fXTBiu460OTwWrWob16g1bXn4vtz07Ope7ewMozJAnEquLk5lWQWtBig9DQ==",
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.19.0.tgz",
+      "integrity": "sha512-ht/iuYZXEjFxLH/Hkezgd7m6JKlHHXEUSneaDz8uZe1Gj5QZtCnpyDsckvAiEnT89OEbCLmnte4R4sn7P0EKFw==",
       "requires": {
-        "follow-redirects": "^1.15.11",
-        "form-data": "^4.0.5",
-        "proxy-from-env": "^1.1.0"
+        "follow-redirects": "^1.16.0",
+        "form-data": "^4.0.6",
+        "https-proxy-agent": "^5.0.1",
+        "proxy-from-env": "^2.1.0"
       }
     },
     "balanced-match": {
@@ -4426,9 +4446,9 @@
       "integrity": "sha512-tzPjzCxygAKWFOJP011oxFHs57HzIhOEracIgAePE4pqB3LikALKnSzUyU4MGs9/iCEUuHlAJTjTc5M+u7YEGg=="
     },
     "brace-expansion": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
-      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.1.4.tgz",
+      "integrity": "sha512-hGfVzPxthbf3+2yjg/RBs60cB0FhqBS/zvdV/4wn4/BmN0bNMMHPc4V/BbFieqf1TKAGGAHnY4eSjajCl0f2Xg==",
       "dev": true,
       "requires": {
         "balanced-match": "^1.0.0"
@@ -4660,7 +4680,6 @@
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
       "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
-      "dev": true,
       "requires": {
         "ms": "^2.1.3"
       }
@@ -4728,9 +4747,9 @@
       "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw=="
     },
     "es-object-atoms": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
-      "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.2.tgz",
+      "integrity": "sha512-HWcBoN6NileqtSydK2FqHbS/LoDd2pqrnQHLyJzBj4kOp/ky2MWMN694xOfkK8/SnUsW2DH7EfyVlydKCsm1Zw==",
       "requires": {
         "es-errors": "^1.3.0"
       }
@@ -4758,24 +4777,6 @@
       "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==",
       "dev": true
     },
-    "fast-xml-builder": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/fast-xml-builder/-/fast-xml-builder-1.1.4.tgz",
-      "integrity": "sha512-f2jhpN4Eccy0/Uz9csxh3Nu6q4ErKxf0XIsasomfOihuSUa3/xw6w8dnOtCDgEItQFJG8KyXPzQXzcODDrrbOg==",
-      "requires": {
-        "path-expression-matcher": "^1.1.3"
-      }
-    },
-    "fast-xml-parser": {
-      "version": "5.5.6",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.5.6.tgz",
-      "integrity": "sha512-3+fdZyBRVg29n4rXP0joHthhcHdPUHaIC16cuyyd1iLsuaO6Vea36MPrxgAzbZna8lhvZeRL8Bc9GP56/J9xEw==",
-      "requires": {
-        "fast-xml-builder": "^1.1.4",
-        "path-expression-matcher": "^1.1.3",
-        "strnum": "^2.1.2"
-      }
-    },
     "fecha": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/fecha/-/fecha-4.2.3.tgz",
@@ -4803,9 +4804,9 @@
       "integrity": "sha512-GRnmB5gPyJpAhTQdSZTSp9uaPSvl09KoYcMQtsB9rQoOmzs9dH6ffeccH+Z+cv6P68Hu5bC6JjRh4Ah/mHSNRw=="
     },
     "follow-redirects": {
-      "version": "1.15.11",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
-      "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ=="
+      "version": "1.16.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
+      "integrity": "sha512-y5rN/uOsadFT/JfYwhxRS5R7Qce+g3zG97+JrtFZlC9klX/W5hD7iiLzScI4nZqUS7DNUdhPgw4xI8W2LuXlUw=="
     },
     "foreground-child": {
       "version": "3.3.1",
@@ -4818,15 +4819,15 @@
       }
     },
     "form-data": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
-      "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.6.tgz",
+      "integrity": "sha512-vKatAh4SlVfgbv+YtmhiRjhEMJsYpsG1Y2rMQtR+SVSbytsSD1YGzDIcrAJmdFec88u/+VoGmxnl+80gL1tRCQ==",
       "requires": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.8",
         "es-set-tostringtag": "^2.1.0",
-        "hasown": "^2.0.2",
-        "mime-types": "^2.1.12"
+        "hasown": "^2.0.4",
+        "mime-types": "^2.1.35"
       }
     },
     "function-bind": {
@@ -4911,9 +4912,9 @@
       }
     },
     "hasown": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
-      "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.4.tgz",
+      "integrity": "sha512-T2UbfbBEF32wiepXIsMlTW9+dDYC6wMh/t/vYA4tuOMKqWz/n3vr1NFSxQiyP+zk2mXsoMA/i/7qV6LKut1t1A==",
       "requires": {
         "function-bind": "^1.1.2"
       }
@@ -4924,6 +4925,15 @@
       "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==",
       "dev": true
     },
+    "https-proxy-agent": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+      "requires": {
+        "agent-base": "6",
+        "debug": "4"
+      }
+    },
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
@@ -4975,9 +4985,9 @@
       }
     },
     "js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.1.tgz",
+      "integrity": "sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==",
       "dev": true,
       "requires": {
         "argparse": "^2.0.1"
@@ -5104,9 +5114,9 @@
       "integrity": "sha512-5H76ANWinB1H3twpJ6JY8uvAtpmFvHNArpilJAjXRKXSDDLPIMoZArw5SH0q9z+lLs8IrMw7Q2VWpWimFKFT1Q=="
     },
     "mocha": {
-      "version": "11.7.5",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-11.7.5.tgz",
-      "integrity": "sha512-mTT6RgopEYABzXWFx+GcJ+ZQ32kp4fMf0xvpZIIfSq9Z8lC/++MtcCnQ9t5FP2veYEP95FIYSvW+U9fV4xrlig==",
+      "version": "11.8.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-11.8.0.tgz",
+      "integrity": "sha512-VyCeUdGN3A9lmCTTgG4yuvY9ixxaDk+xt2R/7/+1AP6EqNG+G9OKkzBwhVtVYoNX8YsxNSgAl8mOv3IAeOpFbw==",
       "dev": true,
       "requires": {
         "browser-stdout": "^1.3.1",
@@ -5220,11 +5230,6 @@
       "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
       "dev": true
     },
-    "path-expression-matcher": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/path-expression-matcher/-/path-expression-matcher-1.1.3.tgz",
-      "integrity": "sha512-qdVgY8KXmVdJZRSS1JdEPOKPdTiEK/pi0RkcT2sw1RhXxohdujUlJFPuS1TSkevZ9vzd3ZlL7ULl1MHGTApKzQ=="
-    },
     "path-key": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
@@ -5254,9 +5259,9 @@
       "dev": true
     },
     "proxy-from-env": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+      "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA=="
     },
     "randombytes": {
       "version": "2.1.0",
@@ -5449,11 +5454,6 @@
       "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==",
       "dev": true
     },
-    "strnum": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.2.1.tgz",
-      "integrity": "sha512-BwRvNd5/QoAtyW1na1y1LsJGQNvRlkde6Q/ipqqEaivoMdV+B1OMOTVdwR+N/cwVUcIt9PYyHmV8HyexCZSupg=="
-    },
     "supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -5609,6 +5609,11 @@
       "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
       "dev": true
     },
+    "yaml": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.9.0.tgz",
+      "integrity": "sha512-2AvhNX3mb8zd6Zy7INTtSpl1F15HW6Wnqj0srWlkKLcpYl/gMIMJiyuGq2KeI2YFxUPjdlB+3Lc10seMLtL4cA=="
+    },
     "yargs": {
       "version": "17.7.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz",
diff --git a/package.json b/package.json
index 73f6d0c..7a2972f 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "@aws-sdk/client-kms": "^3.577.0",
+    "@nypl/node-utils": "^1.2.0",
     "@nypl/nypl-data-api-client": "^2.0.0",
     "dotenv": "^16.4.5",
     "winston": "^3.18.3"
diff --git a/test/unit/index.test.js b/test/unit/index.test.js
index 74db053..94cb132 100644
--- a/test/unit/index.test.js
+++ b/test/unit/index.test.js
@@ -1,12 +1,31 @@
 const { expect } = require('chai')
 const sinon = require('sinon')
 const requests = require('../../lib/requests')
+const nodeUtils = require('@nypl/node-utils')
 
 const {
   mapToRedirectURL,
   handler
 } = require('../../index')
 
+before(() => {
+  sinon.stub(nodeUtils.config, 'loadConfig').resolves()
+  sinon.stub(nodeUtils.NyplSourceMapper, 'loadInstance').resolves()
+  sinon.stub(nodeUtils.NyplSourceMapper, 'instance').returns({
+    splitIdentifier: (id) => {
+      if (/^b\d/.test(id)) return { id: id.slice(1), type: 'bib', nyplSource: 'sierra-nypl' }
+      if (/^cb\d/.test(id)) return { id: id.slice(2), type: 'bib', nyplSource: 'recap-cul' }
+      throw new Error(`Unrecognized identifier: ${id}`)
+    }
+  })
+})
+
+after(() => {
+  if (nodeUtils.config.loadConfig.restore) nodeUtils.config.loadConfig.restore()
+  if (nodeUtils.NyplSourceMapper.loadInstance.restore) nodeUtils.NyplSourceMapper.loadInstance.restore()
+  if (nodeUtils.NyplSourceMapper.instance.restore) nodeUtils.NyplSourceMapper.instance.restore()
+})
+
 describe('mapToRedirectURL', function () {
   let queryIsResearchStub
   before(() => {
@@ -221,10 +240,18 @@ describe('mapToRedirectURL', function () {
     })
 
     it('should return 404 page if no match is found', async function () {
-      const path = '/record=fishsticks'
+      const path = '/record=bsomeid/'
+      const mapped = await mapToRedirectURL({ ...request, path })
+      expect(mapped)
+        .to.eql(`${process.env.RC_BASE_URL}/404/redirect?originalUrl=https%3A%2F%2Fcatalog.nypl.org%2Frecord%3Dbsomeid%2F`)
+    })
+
+    it('should map partner ids like cb[num] as research', async function () {
+      queryIsResearchStub.resolves({ isResearch: true })
+      const path = '/record=cb1234567'
       const mapped = await mapToRedirectURL({ ...request, path })
       expect(mapped)
-        .to.eql(`${process.env.RC_BASE_URL}/404/redirect?originalUrl=https%3A%2F%2Fcatalog.nypl.org%2Frecord%3Dfishsticks`)
+        .to.eql(`${process.env.RC_BASE_URL}/bib/cb1234567?originalUrl=https%3A%2F%2Fcatalog.nypl.org%2Frecord%3Dcb1234567`)
     })
 
     it('should return account page for research my account', async () => {