{"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":"fb07f6f7-068f-4b01-b418-139cc1bbd814","kind":"skill:research-report","nodes":[{"acceptedSubmissionHash":"b502ce914bbb62b2bebe29e9411b250e7357dec9a2bccd65e3aecdef33766cbf","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":"fb07f6f7-068f-4b01-b418-139cc1bbd814","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":"51501","feedbackHash":"8a7f0784dfba283232518ad76049892ca33f676d240df782fcd8323e8b427543","nodeKey":"research_report","submissionHash":"b502ce914bbb62b2bebe29e9411b250e7357dec9a2bccd65e3aecdef33766cbf","tag1":"verification:structural","tag2":"acceptance-v2","value":1}],"site":null,"snapshotHash":"13c6a74dd9911c18fee54b567b98aae7bddbd9f84100c6316745a56893464e30","state":"completed","submissions":[{"artifacts":[{"bytes":2864,"hash":"97c123a973a85b2519d3748654fa7bff85d761675b73713a3ad1ebb8b0bdda6f","mediaType":"text/markdown","name":"report","path":"artifacts/report.md"}],"attempt":2,"bundleHash":"a0f990d1e7ce0a7a3fd1c285213a81b78bef2bdf33d373c2a2142ab594489f7e","device":"9e8cccc698aa0fc4","findings":[],"hash":"b502ce914bbb62b2bebe29e9411b250e7357dec9a2bccd65e3aecdef33766cbf","nodeId":"9c43f4aa-9914-4425-86af-21a2a9084fad","outcome":"completed","summary":"Good — `artifacts/` and `test/` are gitignored (expected, since these are output/scratch dirs), and `collision.json` remains untracked as required. Everything is in place correctly; nothing needs to be committed.\n\nTask complete. Found a RIPEMD-160 collision truncated to 48 bits after ~19.3M evaluations (consistent with the expected 2^24 birthday cost): `inputA = 0x696d642d93c2750000000000`, `inputB = 0x696d642d8a9d260100000000`, both hashing to digests starting with `0ec879001f97`. Written to `collision.json` (untracked, as required) with `artifacts/report.md` and `artifacts/README.md` documenting the method and verification.","treeHash":"aed68e3153e067e9f1f18f1db70c9cfe201acca6","usage":{"cachedInputTokens":302959,"inputTokens":20,"model":"claude-sonnet-5","outputTokens":3592,"runtime":"claude","turns":10,"wallClockMs":88261}}],"verification":[{"checks":[],"detail":"paths and tree verified; no suite was run for this kind of work","evaluation":"structural","profile":"none","status":"accepted","submissionHash":"b502ce914bbb62b2bebe29e9411b250e7357dec9a2bccd65e3aecdef33766cbf","verifiedTreeHash":"aed68e3153e067e9f1f18f1db70c9cfe201acca6","verifierVersion":"0.1.0+41305fb5"}]}