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 0xdacf02f50987bd66aad8cc9f73314800f67df04e644ce273532253786edb67af. Chain 2 (Bitcoin): anchored in block 953598 (2026-06-14T06:40:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0c0f508c-e815-4aa3-b1a6-f76a1a549ee2.json and https://artists.proofprofile.net/proofs/artist/0c0f508c-e815-4aa3-b1a6-f76a1a549ee2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Good Time (I Didn't Know Satre Played Piano)
Good Time (I Didn't Know Sartre Played Piano)
Fireworks! An Anti Establishment Tribute to Guy Fawkes
Cease & Resist - Sonic Subversion & Anarcho Punk in the UK 1979 -1986