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 0xedb20d1ff67cf933c98bffc0b763a94d035b2a0c54fe838f93a9f01b990d471e. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc50ade8-bfea-4100-9b93-18a935e59305.json and https://artists.proofprofile.net/proofs/artist/dc50ade8-bfea-4100-9b93-18a935e59305.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jan Douwe Kroeske Presents: 2 Meter Sessions #1782 - Chantal Acda
I Can't Make You Love Me - (cover: Bonnie Riatt)
Playing Hard To Get - Reworked by Chantal Acda
Playing Hard To Get (Reworked by Chantal Acda)