{"slug":"cow-protocol","captured_date":"2026-09-20","record":{"slug":"cow-protocol","trust_score":65,"trust_tier":"Medium","captured_date":"2026-09-20"},"leaf":"4dd5be3fcad2252d38c159def49a9131a63161b09b83d7fa15c29566ac2aacd4","leaf_preimage":"satohub-score-leaf/v1|2026-09-20|cow-protocol|65|Medium","proof":["4c898214c5b12638f760a4edd9237df7dc04cccb92b61ed1adfba9dc80ac534f","cf6322ff3e4164a3b311a969cd2377c5ea439eca1355a7e575b09e720a32809b","e91a76996850041d01f9516d50d9b2ead6f894c6add7696409aea8c5e7f2c550","48936b1078fd158e0cc78afc2e0565b9acc9fd8787f54fdf7f7cf4748b960426","51c19aa391ebb59226456312c36179df9b6e2016957deb6678d51066828dd9d2","2e88f7a60141af04dbffdf21905c01d81d63e64c77fa4d434f8aa9dbc5b95377","ae2583b2d73821ac689a2f0c3198f41a39d07003e92a58f937ab7d4f21e8e8b9","e2451ce3f2bc2323715309db3cb6fe5158c8e6f2aaeb722589d032dbb3139dd4","bf3bb9274f88694580b855bfb222018c4e1ef91be5eaf62a4d05bc5990e53206"],"root":"5216b3a5352d78176f3ae7d63b91f40d2be917b01afaf0942fc8dd95f9fe48a9","leaf_count":384,"method":"sha256; leaf=SHA256(\"satohub-score-leaf/v1|\"+date+\"|\"+slug+\"|\"+score+\"|\"+tier); node=SHA256(\"satohub-score-node/v1\"||min(a,b)||max(a,b)); leaves sorted ascending; odd node promoted","rebuilt_root":"5216b3a5352d78176f3ae7d63b91f40d2be917b01afaf0942fc8dd95f9fe48a9","matches_published_root":true,"root_signature":{"alg":"EdDSA","kid":"b04bd38b","sig":"8x2PVRHC3cYKghE5EKbG8G5onlKHwI2HQKTBeqxpNewrA4cAQfbFcJ6mrG4AxtZ8-aclBapZC9sFObM-uv3pCQ","signed_at":"2026-09-20T13:04:07.442Z"},"onchain":null,"onchain_note":"not attested on-chain — key absent (ATTEST_PRIVATE_KEY is not set)","meta":{"rules":["A proof shows this score was in the day's published commitment. It is not a claim that the score is correct, and it is not a safety, quality or returns grade.","Verify against an archived copy of the root rather than the one in this response — a proof checked only against a root served by the same server proves less."],"roots_url":"https://satohub.ai/.well-known/sato-score-roots.json","jwks_url":"https://satohub.ai/.well-known/jwks.json","report_url":"https://satohub.ai/verify/cow-protocol","methodology_url":"https://satohub.ai/sato-score","signature":{"alg":"EdDSA","kid":"b04bd38b","sig":"EzCNQ1u_jgkL3hrokSpgsI9JbpouWnAUL5COZ2eWlyUMdNx07OzkAaz6vHtNF7LstezwM_eLrdsCuOVPIn9bAQ","signed_at":"2026-09-21T06:38:02.924Z","jwks_url":"https://satohub.ai/.well-known/jwks.json","canonicalization":"utf8(signed_at) || 0x0A || canonicalJson(body without meta.signature); canonicalJson = JSON with object keys sorted by Unicode code point, array order preserved, no whitespace"}}}