1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26372581d7b2a6d19fabdce3900d172d7937194f4eab056bcdee7c2d75faa48. Chain 2 (Bitcoin): anchored in block 953602 (2026-06-14T06:58:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e6c8007-40b8-4761-9443-d8523c8a9746.json and https://artists.proofprofile.net/proofs/artist/0e6c8007-40b8-4761-9443-d8523c8a9746.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Last Draughts, Last Best Efforts X. (andantino)
Last Draughts, Last Best Efforts XIV. (allegro moderato)
New Sweden - 10 Year Anniversary Box (2009-2019)
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Air Texture II loscil + Rafael Anton Irisarri