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 0x78dae88a710de73007e7316e7b2ed2c7fce78f149cff49b7239c4dcda89fd498. 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/75aef42b-4fae-4e59-8ddb-cba319352193.json and https://artists.proofprofile.net/proofs/artist/75aef42b-4fae-4e59-8ddb-cba319352193.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Million Pieces [ANR047] - Original Mix