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 0xae6d81ef0b48e6417730279e24d1fc151e1ab1e8b2dd6fc7296625f67e37049e. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6439aed-5f61-46c4-b9f9-aebb06edf299.json and https://artists.proofprofile.net/proofs/artist/a6439aed-5f61-46c4-b9f9-aebb06edf299.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ensō : John Tchicai Lunar Quartet Live in Ferrara
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Musica Sacra Nova: Elegi For Erik Wiedeman
Patriotic Poem Number One Forty Years After
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Daydream in Space (Remix) - Is the Place
There Are Other Worlds - They Have Not Told You of
Heart with Minor's Face - Alternative Take
Vision One: Vision Festival 1997 Compiled
The Little Huey Creative Music Orchestra
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Archie Shepp And The New York Contemporary Five