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 0xbf10f4b9e564f6498aea89a6a0ec4800e5bdeedcfb251ee87dd5175a5d5d5e58. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/680bd2e3-57c0-455e-a03d-b99de45290d4.json and https://artists.proofprofile.net/proofs/artist/680bd2e3-57c0-455e-a03d-b99de45290d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Tribute to Blink 182: Fund Music, Fight Cancer
Last One Standing (feat. Sherman Taylor)