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 0x06cf7997aaa5d5a7c8de85236513251378f43985536e0d8955f4de1629c2ad4e. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7006e5a-1b5d-4086-822c-4d83b737f994.json and https://artists.proofprofile.net/proofs/artist/a7006e5a-1b5d-4086-822c-4d83b737f994.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La folie des années 90 (Eurodance, Boys Band et variété française)
Gypsy Woman (She's Homeless) [La Da Dee La Da Da]