Yester, Belland & Somerville - The Original Lead Singers of The Association, The Four Preps & The Diamonds
{"copyright_id":"0xa72f2e35bd1b29a5e6f8b42aafc8043b164a1cc4ca646b6b173bec4a86b2a04c","name":"Yester, Belland & Somerville - The Original Lead Singers of The Association, The Four Preps & The Diamonds","registered_at":"2026-06-20T14:50:12Z","symbol":"NIM1635471","token_address":"0x3584d64d2d59979b6eb6560899f1af9de8f06510","type":"artist","uuid":"b605b586-e094-422d-bb80-e08b49187bde"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa72f2e35bd1b29a5e6f8b42aafc8043b164a1cc4ca646b6b173bec4a86b2a04c. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b605b586-e094-422d-bb80-e08b49187bde.json and https://artists.proofprofile.net/proofs/artist/b605b586-e094-422d-bb80-e08b49187bde.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).