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 0x1f8b842742f8d9a80c0b2cefebe12bc1a8375f848f4115ea56f4179c4a8b89f1. 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/bc137bcf-670e-4e6f-84ed-fc61610b20bc.json and https://artists.proofprofile.net/proofs/artist/bc137bcf-670e-4e6f-84ed-fc61610b20bc.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 0x2537b0b5da3f74456c150ad049dce893bb49bd541a5a1bbf1e04de89ce41e776. 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/3iBg3uT1oCBzfqW29YWwAT.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/3iBg3uT1oCBzfqW29YWwAT.
Oui le serpent nous guette - Salle Odyssée, Gatineau, 03-11-2023
{"copyright_id":"0x8480dd65e3e926d4dbe7c682c88ec81f6e5ea2010e27b97f5a0b22ce85953578","isrc":"CAD432403702","name":"Oui le serpent nous guette - Salle Odyssée, Gatineau, 03-11-2023","registered_at":"2026-06-08T15:34:00Z","spotify_id":"73Ze9Sw2KJhsO95zzKG322","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8480dd65e3e926d4dbe7c682c88ec81f6e5ea2010e27b97f5a0b22ce85953578. 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/73Ze9Sw2KJhsO95zzKG322.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/73Ze9Sw2KJhsO95zzKG322.
Fille à porter - Centre des arts Juliette-Lassonde, Saint-Hyacinthe, 09-11-2023
{"copyright_id":"0x38d08c48c1ee3215134e0e81a82c9def96250cf05bbfe8771416265564dc5534","isrc":"CAD432403703","name":"Fille à porter - Centre des arts Juliette-Lassonde, Saint-Hyacinthe, 09-11-2023","registered_at":"2026-06-07T16:26:46Z","spotify_id":"0czrk2PbClgBH2feuUQS1O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d08c48c1ee3215134e0e81a82c9def96250cf05bbfe8771416265564dc5534. 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/0czrk2PbClgBH2feuUQS1O.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/0czrk2PbClgBH2feuUQS1O.
La pluie ne tombe jamais sur toi - Théâtre Petit-Champlain, Québec, 12-11-2023
{"copyright_id":"0xbe14e5d0f6d3a249dd3aeed83df645a87af7d5c152c46ebcceeb7cafd34a903e","isrc":"CAD432403704","name":"La pluie ne tombe jamais sur toi - Théâtre Petit-Champlain, Québec, 12-11-2023","registered_at":"2026-06-09T21:53:00Z","spotify_id":"11qHFxD5cNJW5j3m1syzLU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe14e5d0f6d3a249dd3aeed83df645a87af7d5c152c46ebcceeb7cafd34a903e. 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/11qHFxD5cNJW5j3m1syzLU.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/11qHFxD5cNJW5j3m1syzLU.
Plein prix - Théâtre Desjardins, Lasalle, 02-11-2023
{"copyright_id":"0x8aac3314c39986d32973cdbda913ccc18575f37caacd224dfd23cbbc45336efc","isrc":"CAD432403705","name":"Plein prix - Théâtre Desjardins, Lasalle, 02-11-2023","registered_at":"2026-06-10T09:05:38Z","spotify_id":"51hHLCM5DHjj1Xyohh0cSE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aac3314c39986d32973cdbda913ccc18575f37caacd224dfd23cbbc45336efc. 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/51hHLCM5DHjj1Xyohh0cSE.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/51hHLCM5DHjj1Xyohh0cSE.
Ce n'est pas de la chance - Salle Odyssée, Gatineau, 03-11-2023
{"copyright_id":"0x2776e9a61e96f2621a1e35824ffe80423cab052abbc11f58661467ed7e265666","isrc":"CAD432403706","name":"Ce n'est pas de la chance - Salle Odyssée, Gatineau, 03-11-2023","registered_at":"2026-06-08T15:32:42Z","spotify_id":"4UPYgN0Z5ZvCJU9bmbC2Rs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2776e9a61e96f2621a1e35824ffe80423cab052abbc11f58661467ed7e265666. 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/4UPYgN0Z5ZvCJU9bmbC2Rs.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/4UPYgN0Z5ZvCJU9bmbC2Rs.
L'île à vingt-cinq sous - Théâtre Petit-Champlain, Québec, 11-11-2023
{"copyright_id":"0xaab8a2fb5e9f35f133c1b97b4d58c9a65edeec7d254ca040dc1ae1cc702b777f","isrc":"CAD432403707","name":"L'île à vingt-cinq sous - Théâtre Petit-Champlain, Québec, 11-11-2023","registered_at":"2026-06-10T09:05:50Z","spotify_id":"3v8ADMOIaVYfrqvxEcyurU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaab8a2fb5e9f35f133c1b97b4d58c9a65edeec7d254ca040dc1ae1cc702b777f. 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/3v8ADMOIaVYfrqvxEcyurU.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/3v8ADMOIaVYfrqvxEcyurU.
Si je rampe - Théâtre Petit-Champlain, Québec, 12-11-2023
{"copyright_id":"0xc59eabc8a97dd17c1b32359f04300cf2435f2dc9797fe021a9f468552183b5fa","isrc":"CAD432403708","name":"Si je rampe - Théâtre Petit-Champlain, Québec, 12-11-2023","registered_at":"2026-06-10T23:03:27Z","spotify_id":"6yblyFpf6T02UJLHWILQ1W","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc59eabc8a97dd17c1b32359f04300cf2435f2dc9797fe021a9f468552183b5fa. 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/6yblyFpf6T02UJLHWILQ1W.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/6yblyFpf6T02UJLHWILQ1W.
Ça va ça va - Centre des arts Juliette-Lassonde, Saint-Hyacinthe, 09-11-2023
{"copyright_id":"0x483c16d0f3833e93212a7a29a8624d870492fda4ab1efe1df960ce904d65c563","isrc":"CAD432403709","name":"Ça va ça va - Centre des arts Juliette-Lassonde, Saint-Hyacinthe, 09-11-2023","registered_at":"2026-06-08T07:01:20Z","spotify_id":"3C2ESwOWyEbP0yajXfOLWk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x483c16d0f3833e93212a7a29a8624d870492fda4ab1efe1df960ce904d65c563. 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/3C2ESwOWyEbP0yajXfOLWk.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/3C2ESwOWyEbP0yajXfOLWk.
Les amants de Pompéi - Club Soda, Montréal, 04-11-2023
{"copyright_id":"0x4168bf055a62e50bb8318ba1cae1b02b509aad0e089715024c9a06bfe334faec","isrc":"CAD432403710","name":"Les amants de Pompéi - Club Soda, Montréal, 04-11-2023","registered_at":"2026-06-10T23:02:59Z","spotify_id":"2s1FtUNmpFtFXncmE4lTaB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4168bf055a62e50bb8318ba1cae1b02b509aad0e089715024c9a06bfe334faec. 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/2s1FtUNmpFtFXncmE4lTaB.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/2s1FtUNmpFtFXncmE4lTaB.
Le Roy, la Rose et le Lou[p] - Chanson thème
{"copyright_id":"0xf10010c3f4edbffc17f0a3d267aa6b143f4734cd886694f14c14c983e1140809","isrc":"CAD432303701","name":"Le Roy, la Rose et le Lou[p] - Chanson thème","registered_at":"2026-06-06T20:11:35Z","spotify_id":"0Ldwqwg11Bh9aD4JaI8soK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10010c3f4edbffc17f0a3d267aa6b143f4734cd886694f14c14c983e1140809. 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/0Ldwqwg11Bh9aD4JaI8soK.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/0Ldwqwg11Bh9aD4JaI8soK.
J'espère encore que quelque part l'attente s'arrête
{"copyright_id":"0xb519366bec80ec054c80beccd552daab8a78afdfd15dabb11d383f1182c32792","isrc":"CAD432101001","name":"J'espère encore que quelque part l'attente s'arrête","registered_at":"2026-06-10T01:30:39Z","spotify_id":"4Ehesap4bAGsZfUFOon9fW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb519366bec80ec054c80beccd552daab8a78afdfd15dabb11d383f1182c32792. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Ehesap4bAGsZfUFOon9fW.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/4Ehesap4bAGsZfUFOon9fW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab4696301ab8091272eb3789ff56f9f28c27dff592f2dbaebcd7740958549cc1. 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/0jAPQYrEZ9W8r6s4Rim63U.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/0jAPQYrEZ9W8r6s4Rim63U.
{"copyright_id":"0x85454af5786a91d31ff60bbd222dcbd4ce98f0cc4a8874de4f74e0d79c103edd","isrc":"CAD432101003","name":"Oui le serpent nous guette","registered_at":"2026-06-07T04:13:18Z","spotify_id":"1DlqeD5nMB6OH2dKhR58W4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85454af5786a91d31ff60bbd222dcbd4ce98f0cc4a8874de4f74e0d79c103edd. 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/1DlqeD5nMB6OH2dKhR58W4.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/1DlqeD5nMB6OH2dKhR58W4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27c65de4af3e0101e8d62ee614cc572e2cb55088b83d9d81a086d5c14238e87. 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/2jnzN5bQk8zM6lWm0lKu4n.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/2jnzN5bQk8zM6lWm0lKu4n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d64bde8e6c1b3762719be28aa895c1433d2a15e123451754d658ec57b913d29. 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/6gTbZQX31Adwj4rjYw95Il.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/6gTbZQX31Adwj4rjYw95Il.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e035336651d69e85c5109a3e1bd0b07e9f339126bfc49706823221bc6707796. 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/44CHBRetot5AMUobwOTmHx.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/44CHBRetot5AMUobwOTmHx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6a10608f47c6a05b06c2d01846d128e11c57669ba183bc5509912beaa66994. 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/1OzPm8l4HC13oyA4zk1um1.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/1OzPm8l4HC13oyA4zk1um1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffbedc37b31923c36d8b63b738dea4cea2795aa642065c8332ee965a7eef3bf. 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/5i6hnVzdQ9yiLjxAbYzSPN.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/5i6hnVzdQ9yiLjxAbYzSPN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9ab0cc0c13f3572d8a6af37c23f610744fcad5d2aa7cbb8737766189be6f63. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HJxm5uz8K8AJG5gzm3jak.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/7HJxm5uz8K8AJG5gzm3jak.
{"copyright_id":"0xd8d951d5af58927c4804b4ce29ee467be7a558e6180c99d4839f5897688b7595","isrc":"CAD431897101","name":"La fin du monde à tous les jours","registered_at":"2026-06-08T15:33:32Z","spotify_id":"5kL142jYkwNgiQwUehdVth","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8d951d5af58927c4804b4ce29ee467be7a558e6180c99d4839f5897688b7595. 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/5kL142jYkwNgiQwUehdVth.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/5kL142jYkwNgiQwUehdVth.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878e6fd93de9ead9d4147b0fcf7561b22133706dff831d5605b60732e018dc1a. 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/3uZ5j6zULQS82eO3rQphC5.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/3uZ5j6zULQS82eO3rQphC5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556bfa58469728243644140199648d6f3ccad60ff127b200e7d6376f6556feb0. 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/2bpEx0NlMDn6II2VYe5pjT.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/2bpEx0NlMDn6II2VYe5pjT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fbd2dac808d6baee51c74556f3a58df1959d67574c53ccc89138c24b36a2670. 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/4O4rcTScUUqWPJm3wuPNL8.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/4O4rcTScUUqWPJm3wuPNL8.
{"copyright_id":"0xdb79dbf8eb3d130aabdd232506ebdd83471dcaa0b9818c41c46387683720fb4e","isrc":"CAD431897105","name":"Mon bel antidote","registered_at":"2026-06-10T14:43:46Z","spotify_id":"3xTkYUd89OBLf9Ycj92Owh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb79dbf8eb3d130aabdd232506ebdd83471dcaa0b9818c41c46387683720fb4e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3xTkYUd89OBLf9Ycj92Owh.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/3xTkYUd89OBLf9Ycj92Owh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d83d6959ff51e5f74fccefb812ad92b6f58f08b5304f41138a8ce280333454. 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/6iPa4C0dGHt87XkXM41zSN.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/6iPa4C0dGHt87XkXM41zSN.
{"copyright_id":"0x23756fab4664ee549bb0750ebf4e84912df3594ef7a0ac7f6e3ecfcb4a576411","isrc":"CAD431897107","name":"Les amours immatures","registered_at":"2026-06-11T20:56:24Z","spotify_id":"6xM25aPhJRL4FD0RoU1eUJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23756fab4664ee549bb0750ebf4e84912df3594ef7a0ac7f6e3ecfcb4a576411. 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/6xM25aPhJRL4FD0RoU1eUJ.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/6xM25aPhJRL4FD0RoU1eUJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe27a0433d1cfb544a57a7f6b149a29a5498e040150b86ebc485b33b377b6b837. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xourJeHgjO0SSyoqkMrra.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/6xourJeHgjO0SSyoqkMrra.
{"copyright_id":"0xb76c6d29e6badf272ac94ef5994be6c04eea5ce0d894e2505b9574a305b7b63d","isrc":"CAD431897109","name":"Ce qu'il reste","registered_at":"2026-06-22T12:06:22Z","spotify_id":"1ff1waC4QOzyVFWJafF0dw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb76c6d29e6badf272ac94ef5994be6c04eea5ce0d894e2505b9574a305b7b63d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ff1waC4QOzyVFWJafF0dw.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/1ff1waC4QOzyVFWJafF0dw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x640f0de577c1e9a69690a0e0b119f15666baa6c28002415b23b09a7438f7ac24. 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/5QPiuhJUKD6zgWLXzCrrkq.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/5QPiuhJUKD6zgWLXzCrrkq.
Le Roy, la Rose et le Lou[p] (Chanson thème)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10010c3f4edbffc17f0a3d267aa6b143f4734cd886694f14c14c983e1140809. 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/6SOvfUrHfJZz4GXsJPeIkV.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/6SOvfUrHfJZz4GXsJPeIkV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6a10608f47c6a05b06c2d01846d128e11c57669ba183bc5509912beaa66994. 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/3sg9KwpnM5qz1FdWGUdOQj.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/3sg9KwpnM5qz1FdWGUdOQj.
{"copyright_id":"0xb519366bec80ec054c80beccd552daab8a78afdfd15dabb11d383f1182c32792","isrc":"CAD432101001","name":"J'espère encore que quelque part l'attente s'arrête","registered_at":"2026-06-10T01:30:39Z","spotify_id":"2WCeUauplaB18sjFBoH9XK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb519366bec80ec054c80beccd552daab8a78afdfd15dabb11d383f1182c32792. 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/2WCeUauplaB18sjFBoH9XK.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/2WCeUauplaB18sjFBoH9XK.
{"copyright_id":"0x7c70791b579fadbe8cf847ac04dea6ffc8dc3228ee8080007871a16a2bdd99a5","isrc":"CAD431997112","name":"La pluie ne tombe jamais sur toi","registered_at":"2026-06-09T00:09:03Z","spotify_id":"7d3OPBd8aLqXxG5fBGciQK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c70791b579fadbe8cf847ac04dea6ffc8dc3228ee8080007871a16a2bdd99a5. 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/7d3OPBd8aLqXxG5fBGciQK.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/7d3OPBd8aLqXxG5fBGciQK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c1d4634a30717016eb0baa2b57b22cac1c8df3547606b8171bfc1bf1eda24d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2TTkOX6Sv7dD4Pe7GOP0dS.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/2TTkOX6Sv7dD4Pe7GOP0dS.