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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2f93dd5b61e825e551e444106b107ae697b6ee1654f00403ed41f4a7d284b28. 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/51d00a69-fa91-4648-9afa-355ff6254348.json and https://artists.proofprofile.net/proofs/artist/51d00a69-fa91-4648-9afa-355ff6254348.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ik Ben Tevreden Met De Dingen In Mijn Leven
Stemmings-Medley: Jordaanwals / Kleine Greetje / Holadiejee / Maar Wie Holt van Mekaar / Het Is Moeilijk Bescheiden te Blijven.. - Live
Jij Bent Het Mooiste Wat Mij Ooit Is Overkomen
Ik Kan Mijn Geluk Niet Op Jouw Tranen Bouwen
Pak Het Leven Beet Met Allebei Je Handen
Ik Doe De Deur Die Ik Gesloten Had Weer Open
Margarita / Ik Zal Je Nooit Meer Laten Gaan
Het 538 Evers Staat Op Vriend Van De Show Lied
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dcb5b42316d456b30d2bf69f58d02eae92ab2fd27098d1820510bf656317807. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UAXiZXRJMdzlGkm571xLY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UAXiZXRJMdzlGkm571xLY.
Maar leven lukt me niet met jou (Nieuwe versie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad5c4f4eef76ad194e2e02aa9c01b62ec964d2f310724c6298383cf535b4d324. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3YUxkOJe8lTIZNiOdIdXVw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3YUxkOJe8lTIZNiOdIdXVw.
Fantastico (Altijd Larstig & Rob Gasd’rop x Kruzo Remix)
Fantastico - Altijd Larstig & Rob Gasd’rop x Kruzo Remix
{"copyright_id":"0x1890078388e49209bb802737817f43c0ce5a5391873bbffdd21ede4271cbf89c","isrc":"NLUM72201099","name":"Fantastico - Altijd Larstig & Rob Gasd’rop x Kruzo Remix","registered_at":"2026-06-07T20:10:42Z","spotify_id":"31F8BaBTk4dXvHS29dvZpj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1890078388e49209bb802737817f43c0ce5a5391873bbffdd21ede4271cbf89c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/31F8BaBTk4dXvHS29dvZpj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/31F8BaBTk4dXvHS29dvZpj.
Fantastico [Altijd Larstig & Rob Gasd’rop x Kruzo Remix (Extended Mix)]
Fantastico - Altijd Larstig & Rob Gasd’rop x Kruzo Remix (Extended Mix)
Wordt 't ja, wordt 't nee (D.J. Stanton V Remix)
Wordt 't ja, wordt 't nee - D.J. Stanton V Remix
disco boy, I'm a disco boy | Weekend party hits
Feestknallers Top 50 (Grootste Party & Feesthits Aller Tijden)
Weet Je Nog Wel - De Liedjes Die Je Nooit Vergeet
Zomer Feest Medley 2024 [Dries Roelvink, Ammar, John West & Basily Gipsy Band] - Live
{"copyright_id":"0x124e2ad5de3c01ccad3fefa2aab863a7d2edffab5147f0d9cdf96d125e9ffba8","isrc":"NLV4P2400013","name":"Zomer Feest Medley 2024 [Dries Roelvink, Ammar, John West & Basily Gipsy Band] - Live","registered_at":"2026-06-08T02:44:47Z","spotify_id":"2ley9v3HtIbJAvzCrXHMkj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124e2ad5de3c01ccad3fefa2aab863a7d2edffab5147f0d9cdf96d125e9ffba8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ley9v3HtIbJAvzCrXHMkj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ley9v3HtIbJAvzCrXHMkj.
Hét Concert Van Mijn Dromen (Live in de HMH)
{"copyright_id":"0x0bfb12bde3942205faa1173ec902725eaacbe1087bbda8b103e46a4dee2a46f8","isrc":"NLF921600105","name":"Plaatje van een vrouw - Live","registered_at":"2026-06-21T02:02:58Z","spotify_id":"2XcuZDL2JWRaKTYAL90PBz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bfb12bde3942205faa1173ec902725eaacbe1087bbda8b103e46a4dee2a46f8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XcuZDL2JWRaKTYAL90PBz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XcuZDL2JWRaKTYAL90PBz.
{"copyright_id":"0x087733b9accb754140b8660b8af87367a485d9631a9bbdf555546cfb4f5a8a2b","isrc":"NLF921500075","name":"Plaatje Van Een Vrouw","registered_at":"2026-06-08T13:37:28Z","spotify_id":"0PGHQGprQrGdo4UH5XBO2t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087733b9accb754140b8660b8af87367a485d9631a9bbdf555546cfb4f5a8a2b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PGHQGprQrGdo4UH5XBO2t.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PGHQGprQrGdo4UH5XBO2t.