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 0x7b4b729aafee038a8e6d9e611d0693ba7e8c3d65171f096dfa7784f21b53310d. Chain 2 (Bitcoin): anchored in block 953706 (2026-06-14T23:14:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7ba5ae5c-db21-48d3-8fbc-fd7f83fc955c.json and https://artists.proofprofile.net/proofs/artist/7ba5ae5c-db21-48d3-8fbc-fd7f83fc955c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Enchanted Wood - Alternative Version
Computer Graphics (I) - Alternative Version
The Changes (Original Television Soundtrack)
The Changes Closing Titles - 56" Version
The Changes Closing Titles - 67" Version
The Changes Closing Titles - 63" Version
The Changes Closing Titles - 48" Version
The Changes Closing Titles (56" Version)
The Changes Closing Titles (67" Version)
The Changes Closing Titles (63" Version)
The Changes Closing Titles (48" Version)
Doctor Who - The Visitation (Original Television Soundtrack)