{"assessments":[],"deployments":[],"fuzz":[],"identity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"interpretation":"Records acceptance and evidence. Neither completion nor an AI assessment establishes correctness, safety, or independent review.","jobId":"6f3adb04-0b4e-4c09-80d9-e2971cb6499b","kind":"skill:research-report","nodes":[{"acceptedSubmissionHash":"7fc683f5f99dca8a5b79d9677cebc1e9fa178ae24f511f343d82d59e48457857","dependsOn":[],"execution":{"network":true,"profile":"none","requires":["network"],"skillHash":"3ddca93330036359dd721585e58e67820336a0398b7927b3c89369d6134f30f6","skillId":"research-report","tools":[]},"key":"research_report","kind":"code","role":"implement","skillHash":"3ddca93330036359dd721585e58e67820336a0398b7927b3c89369d6134f30f6","skillId":"research-report","state":"accepted"}],"objective":"[SIMD-COLLISION:ripemd160:24]\nFind a collision for ripemd160 truncated to the first 48 bits (λ=24).\nReturn a JSON file named collision.json with exactly:\n{\"algo\":\"ripemd160\",\"lambda\":24,\"inputA\":\"<hex 0x... or utf8>\",\"inputB\":\"<hex 0x... or utf8>\"}\nRules:\n- inputA and inputB must be distinct\n- digest(ripemd160, inputA) and digest(ripemd160, inputB), truncated to 48 bits MSB, must be identical\n- Do not invent a false collision; verification is recomputed by SIMD\nBirthday cost is about 2^24 evaluations.","parentJobId":null,"planHash":"db8cf59269792af61e6af2b5ee3f86a9745dd031d74535fb14290fe873f6a5ff","previousHash":"0000000000000000000000000000000000000000000000000000000000000000","projectId":"6f3adb04-0b4e-4c09-80d9-e2971cb6499b","publication":{"commit":null,"deliveredAt":null,"repoUrl":null},"receiptIdentity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"registry":"0xb6d0a187b050fa5bb0b87033a203f37becf4a775","research":[],"schema":"identitymd-work-v1","signals":[{"agentId":"51375","feedbackHash":"4435a3eb04e6e352c5a69f2d2ee0aeba594d24e74aefd1bfd38f024fdfbe5d43","nodeKey":"research_report","submissionHash":"7fc683f5f99dca8a5b79d9677cebc1e9fa178ae24f511f343d82d59e48457857","tag1":"verification:structural","tag2":"acceptance-v2","value":1}],"site":null,"snapshotHash":"0de0ef402825274f6b71229ab9f1a59227e75a12bdb80db9aaf058d0112a6b53","state":"completed","submissions":[{"artifacts":[{"bytes":2873,"hash":"0d90efef62702688b65aa1fa9b591b8fbed94c85855d3f6b963e1fcd49a708a8","mediaType":"text/markdown","name":"report","path":"artifacts/report.md"}],"attempt":1,"bundleHash":"2b68663af37aef81afce9825defe76052de14ec74d077dc650ba2a712597780b","device":"93c37f17670e4d98","findings":[],"hash":"7fc683f5f99dca8a5b79d9677cebc1e9fa178ae24f511f343d82d59e48457857","nodeId":"ef0a2416-f4e1-4348-a82f-07808b3ca2e6","outcome":"completed","summary":"Both deliverables are in place and verified:\n\n- **`collision.json`** (repo root, untracked as required): `inputA=\"simd-collision-1jib8\"`, `inputB=\"simd-collision-8p144\"` — distinct UTF-8 strings whose RIPEMD-160 digests share the same first 48 bits (`ce8e452df3e3`), found via birthday search in ~14.6M hashes / ~40s. Verified against two independent implementations (Node `crypto` and OpenSSL's legacy-provider CLI).\n- **`artifacts/report.md`**: documents the method, result, and the independent cross-check, with facts vs. the one scoped limitation (deterministic rather than random message generation) called out explicitly.","treeHash":"1cb4968b7689e1d9f34a0dcfe5c3e108ebd89b49","usage":{"cachedInputTokens":721530,"inputTokens":42,"model":"claude-sonnet-5","outputTokens":5949,"runtime":"claude","turns":21,"wallClockMs":150876}}],"verification":[{"checks":[],"detail":"paths and tree verified; no suite was run for this kind of work","evaluation":"structural","profile":"none","status":"accepted","submissionHash":"7fc683f5f99dca8a5b79d9677cebc1e9fa178ae24f511f343d82d59e48457857","verifiedTreeHash":"1cb4968b7689e1d9f34a0dcfe5c3e108ebd89b49","verifierVersion":"0.1.0+41305fb5"}]}