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 0x54cc55e1d281d0aa16c78db2d9d7044b999c798c1e598f305fa7667774d596ef. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0182f7f5-cb80-48a9-b8b8-2714468bb065.json and https://artists.proofprofile.net/proofs/artist/0182f7f5-cb80-48a9-b8b8-2714468bb065.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Solo Piano Medley: Darn That Dream/ Sophisticated Lady
Some Of My Best Friends Are… The Piano Players