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 0x6f9be14b4c3c4425b0ab5c2cfa26f0228d255c2eb5b9c67f30485ebdd6d3753a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f7b119d2-5f66-4053-b3aa-9ea402852106.json and https://artists.proofprofile.net/proofs/artist/f7b119d2-5f66-4053-b3aa-9ea402852106.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lo-Fi But Never Low Effort: Selections from the 11 Hour Comprehensive TRM Folk Collection