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 0x59fa6ad205326e3d4865fefba5e436d93397385cfb23cffd66671ca75ff900c1. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7317ffb4-394d-4639-a6be-f620800a2d0d.json and https://artists.proofprofile.net/proofs/artist/7317ffb4-394d-4639-a6be-f620800a2d0d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dub Dub Dub Dub Dub - Instrumentalmusik Remixed
Triangulate Dither (Philipp Otterbach Remix)