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 0xca56af2ca9043089c66b720b3b7faf7647a5e87941d92c9fd2b6873c70ac3566. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/77848b13-d4ba-44fd-860f-a27d08d88aed.json and https://artists.proofprofile.net/proofs/artist/77848b13-d4ba-44fd-860f-a27d08d88aed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
How I Long To Feel That Summer In My Heart
The Lady and the Travelling Man - BBC Radio Session
Triskedekaphilia: Sesiynau "Heno Bydd Yr Adar Yn Canu" Sessions