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 0xdf84ea1fbd9129c0707f87713e41545ddb090cf66faaab5b528fe80cfe4d44cd. 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/e46e1ca1-15b7-4d64-af0f-67d637fd7d94.json and https://artists.proofprofile.net/proofs/artist/e46e1ca1-15b7-4d64-af0f-67d637fd7d94.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
We Have - Martin Schulte Silent Night Mix
Little Darla Has a Treat for You, Vol. 28, Lucky 2013
Undertow - Martin Schulte siltent Shore Version
Kirill Matveev Pres. Marbled Dubs, Vol​​​​​.​​​​​ 8