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 0x7b969368aaede0d9ca7326911e270c22fed47bf4a82c64be8966dcbcd0b09da3. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0c55257b-4c28-40f9-91e1-13712020a54f.json and https://artists.proofprofile.net/proofs/artist/0c55257b-4c28-40f9-91e1-13712020a54f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scared of Revolution (Original Soundtrack from the Documentary)
Ik Weet Wie Je Bent (Original Soundtrack From The Television Series)
Ik Weet Wie Je Bent (Leader) [feat. Sofia Sarri]
42°C (Music from the Original TV Series)
Swanenburg (Original Soundtrack from the Television Series)
Save Me (Music from the Television Series)
Dormis (Original Motion Picture Soundtrack)
The Journey of Piraeus (Original Soundtrack from the VR documentary)
The Greatest Port in Europe/Romans' Siege