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 0x94a113f6d4aa177f2c9b2f2121c1009f7695aa4ee257db69aedf0e7339e4ba09. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7738621c-c875-4def-ae87-b974481e675d.json and https://artists.proofprofile.net/proofs/artist/7738621c-c875-4def-ae87-b974481e675d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Let There Be House & In It Together Records - The Anthology 2021
Let There Be House - Summer Solstice 2021