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 0xd179a2b222667f885dbef681d0f641feceb028f9f8f9e1bd1874e204948e60c4. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8afc629c-28c0-4cd9-9178-e0b3cec58cd9.json and https://artists.proofprofile.net/proofs/artist/8afc629c-28c0-4cd9-9178-e0b3cec58cd9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x7944942aa023201bb5c73ac724575429174141b8f3f74f9577955fce9505290c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3oaSTaplTL2SGIQc7FiJFz.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/3oaSTaplTL2SGIQc7FiJFz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0705cd4ea46e441c43f710cbaef5c54045802b09d690f2258b674268c438c224. 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/3afVFj8bufsUtg44uD1b4z.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/3afVFj8bufsUtg44uD1b4z.
{"copyright_id":"0x59bfcdbbb49e1c5a5ff585cb0d26003a120471b05e85f897d685d4e27d6767a5","isrc":"FRZ082200900","name":"Cher Père Noël - par Mortelle Adèle","registered_at":"2026-06-18T06:19:55Z","spotify_id":"2cvvAQl5ySKOjIbp8D7Zcn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59bfcdbbb49e1c5a5ff585cb0d26003a120471b05e85f897d685d4e27d6767a5. 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/2cvvAQl5ySKOjIbp8D7Zcn.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/2cvvAQl5ySKOjIbp8D7Zcn.
365 jours pour être sage (par Mortelle Adèle)
365 jours pour être sage - par Mortelle Adèle
{"copyright_id":"0xb3d7d391caafc60d709f3741ee2fb797058c17b4cb61b5af17dd230f7eb4d718","isrc":"FRZ082200811","name":"365 jours pour être sage - par Mortelle Adèle","registered_at":"2026-06-18T21:54:29Z","spotify_id":"1yoz1SMa3jDXPwbwS74VeE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3d7d391caafc60d709f3741ee2fb797058c17b4cb61b5af17dd230f7eb4d718. 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/1yoz1SMa3jDXPwbwS74VeE.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/1yoz1SMa3jDXPwbwS74VeE.
{"copyright_id":"0x30202e173a03c9351c23ac9bcbc3e01c4c22cf9a977247dfef2e623e3844d3f7","isrc":"FRZ082100243","name":"Ma catapulte (par Mortelle Adèle)","registered_at":"2026-06-27T17:20:10Z","spotify_id":"47GdAElA92gn1u697R7BGc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30202e173a03c9351c23ac9bcbc3e01c4c22cf9a977247dfef2e623e3844d3f7. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47GdAElA92gn1u697R7BGc.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/47GdAElA92gn1u697R7BGc.
Debout les bizarres (par Mortelle Adèle) [Adaptation de « Le Brio »]
Debout les bizarres (par Mortelle Adèle) - Adaptation de « Le Brio »
{"copyright_id":"0x816d0dce7266faaea6afe8f64f0dadb770315a542fff80d5ffd1adc44ef8ef91","isrc":"FRZ082100236","name":"Bizarre bizarre (par Mortelle Adèle)","registered_at":"2026-06-24T22:32:31Z","spotify_id":"784St0lE80yU3BTzgu1fYE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816d0dce7266faaea6afe8f64f0dadb770315a542fff80d5ffd1adc44ef8ef91. 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/784St0lE80yU3BTzgu1fYE.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/784St0lE80yU3BTzgu1fYE.
La rumeur est là - De "La Petite Sirène"/Bande Originale Française du Film
The Scuttlebutt (From “The Little Mermaid”)
Embrasse-la - De "La Petite Sirène"/Bande Originale Française du Film
Kiss the Girl (From “The Little Mermaid”)
Bienvenue à Smartville (feat. Aldebert, Bénabar, Leopoldine HH., Alexis HK, Maya Kamaty, Leeroy, Mathias Malzieu, François Morel, Helena Noguerra, Dorothée Pousséo, Sanseverino & Tété)
La Petite Sirène (Bande Originale Française du Film/Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba30b81506dfc5fffeceb13060d7db5c16839d248b68bdd3b07a9ed91fbc0076. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XtBFD4iUcRRg2je8RP3CU.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/1XtBFD4iUcRRg2je8RP3CU.
{"copyright_id":"0xf4212ca285e706d341ab6582e74b40b4b789d5bcc2c8c79be9b62be1b44eac1b","isrc":"USWD12326324","name":"La rumeur est là","registered_at":"2026-06-10T17:15:28Z","spotify_id":"77cHpaUGgdaCdmcV4zja2D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4212ca285e706d341ab6582e74b40b4b789d5bcc2c8c79be9b62be1b44eac1b. 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/77cHpaUGgdaCdmcV4zja2D.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/77cHpaUGgdaCdmcV4zja2D.
Voleuse (feat. Aldebert, Leopoldine HH. & Dorothée Pousséo)
Le plan (feat. Aldebert, Leopoldine HH., Maya Kamaty, Les p'tits Museau, Dorothée Pousséo & François Morel)
Dans les rues de Smartville (feat. Aldebert, Bénabar, Leopoldine HH., Alexis HK, Maya Kamaty, Leeroy, Mathias Malzieu, Helena Noguerra, Sanseverino, Tété, François Morel & Dorothée Pousséo)
Smartville (Rose & le jardin - Version deluxe)