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 0x4e8d7c5dd83a057311bd3f70edd308695cb65a034973e5b1aaad71d3f81ccca8. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2778a53-1595-403f-8656-37e5870ab0a0.json and https://artists.proofprofile.net/proofs/artist/c2778a53-1595-403f-8656-37e5870ab0a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bitter Is The Sweetest Part (Bremen Remix)
Bitter Is the Sweetest Part - Bremen Remix
Hold This Moment - Boeoes Kaelstigen Remix
Hold This Moment (Boeoes Kaelstigen Remix)
I Will Never Not Have Had You (Gabriel Gassi Remix)
I Will Never Not Have Had You - Gabriel Gassi Remix