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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f8242f5ea45daff7da7bdafb7e9980b824004a30e893e865b5f54ca20bd85f3. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc5f62cf-247f-49c8-99da-01e0ae2a2533.json and https://artists.proofprofile.net/proofs/artist/dc5f62cf-247f-49c8-99da-01e0ae2a2533.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Deception Blues - Baritone Guitar Version