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 0xae3640c677826fd709e8968211c9877fe06518347c7621bf7a77605fc283d3bf. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/066e2e85-5300-4e8e-9993-b80b294dcaee.json and https://artists.proofprofile.net/proofs/artist/066e2e85-5300-4e8e-9993-b80b294dcaee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chemical "My True Love" - California Blur
Postcard "WishingYou Were Here" - California Blur
Wildfire, Vol. 1 (Original Motion Picture Soundtrack)