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 0xf0b52439d88dabfc2c67fb5e926b180280d6a18e5a94e52ab872fe02cd70f778. 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/136b9b09-1015-4344-8c06-cedc4ea92fff.json and https://artists.proofprofile.net/proofs/artist/136b9b09-1015-4344-8c06-cedc4ea92fff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
2 eléments (wildchild feat sly the mic buddah)
La Belle Et Les Bêtes - Live At Bataclan
(Leeroy Presents Fela Is the Future) Beasts of No Nation
(Leeroy Presents Fela Is the Future) Beasts of No Nation (with Seun Kuti Radio Edit)
Opposite People (with Femi Kuti) (French 79 Remix)
Opposite People (with Femi Kuti) (Dakat Remix)
Opposite People (with Femi Kuti) (Arnaw Remix Radio Edit)
Opposite People (with Femi Kuti) (Mawimbi Remix)
Opposite People (with Femi Kuti) (Pouvoir Magique Remix)
Beasts of No Nation (with Seun Kuti) (French 79 Evening Remix)
Beasts of No Nation (with Seun Kuti) (French 79 Morning Remix)
Leeroy Presents Fela Is the Future (Remixes)
Opposite People (with Femi Kuti) - French 79 Remix
Opposite People (with Femi Kuti) - Dakat Remix
Opposite People (with Femi Kuti) - Arnaw Remix / Radio Edit
Opposite People (with Femi Kuti) - Mawimbi Remix
Opposite People (with Femi Kuti) - Pouvoir Magique Remix
Beasts of No Nation (with Seun Kuti) - French 79 Evening Remix
Beasts of No Nation (with Seun Kuti) - French 79 Morning Remix
Leeroy Presents: Fela Is the Future (Remixes)
Opposite People - Arnaw Remix Radio Edit
Beasts of No Nation - French 79 Evening Remix
Beasts of No Nation - French 79 Morning Remix
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 0xcebf27cab119153eb3d018b740e182d8f2ab877e8f4e83bd87910093a367770e. 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/0dmeHRWn9YL7yzWWLX17c7.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/0dmeHRWn9YL7yzWWLX17c7.
{"copyright_id":"0xe2319cd0c940d912df10ae7470ae7dc1f815ed272abe4149cdefdc46063045ef","isrc":"FR79W2100120","name":"Les tours d'horloge","registered_at":"2026-06-06T18:20:17Z","spotify_id":"7i8dBk6pqiTF0YgOSj2TPp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2319cd0c940d912df10ae7470ae7dc1f815ed272abe4149cdefdc46063045ef. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7i8dBk6pqiTF0YgOSj2TPp.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/7i8dBk6pqiTF0YgOSj2TPp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcebf27cab119153eb3d018b740e182d8f2ab877e8f4e83bd87910093a367770e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/39yUGbqDcOBNCE2G1vwx5u.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/39yUGbqDcOBNCE2G1vwx5u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf7c26b248de963354b3266c46cfb1a8763cd2a287b1bf9a0916a81326ba82eb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fbDtvodHWJ9pg1Sv2FdMN.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/4fbDtvodHWJ9pg1Sv2FdMN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe220b9385527a1507dbdf2b9231b419de63dd9f8d4147baf7cd14d37b34498d1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WLINdBQbx0AiFJqY5idTu.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/5WLINdBQbx0AiFJqY5idTu.
{"copyright_id":"0xe2319cd0c940d912df10ae7470ae7dc1f815ed272abe4149cdefdc46063045ef","isrc":"FR79W2100120","name":"Les tours d'horloge","registered_at":"2026-06-06T18:20:17Z","spotify_id":"7seJoEXS9os4d7IsBeAAQ1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2319cd0c940d912df10ae7470ae7dc1f815ed272abe4149cdefdc46063045ef. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7seJoEXS9os4d7IsBeAAQ1.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/7seJoEXS9os4d7IsBeAAQ1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf7c26b248de963354b3266c46cfb1a8763cd2a287b1bf9a0916a81326ba82eb. 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/2StdXqQ1Ya30IwgmpTPiET.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/2StdXqQ1Ya30IwgmpTPiET.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1f214ef596c0af83b4ed306eb841a56807fe5d1ed133393e01bab96d2653b5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Ye3ioYgxeZ40p5TM1zrFM.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/0Ye3ioYgxeZ40p5TM1zrFM.