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 0x72d5f68594cd2762a86dcc4798a222df6c0ffd964036940b3b6b58785a0d5d54. Chain 2 (Bitcoin): anchored in block 953599 (2026-06-14T06:43:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d4f41ad-e708-4c68-bb1d-f4eaa016150e.json and https://artists.proofprofile.net/proofs/artist/0d4f41ad-e708-4c68-bb1d-f4eaa016150e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
All The Best Wooden Toys Come From Germany
Something for All of Us... (Broken Social Scene Presents Brendan Canning)
All the Best Wooden Toys Come from Germany