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 0xe38a7e27b0d94d2ae1dd9d711ad381edc48166e161976f803633c8f65d7d8fbc. 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/a0ea0348-5d17-4b55-89c6-db14c97bbd42.json and https://artists.proofprofile.net/proofs/artist/a0ea0348-5d17-4b55-89c6-db14c97bbd42.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 0xe61edea730654fcab7c0c41592b09b5db0293855760a21a51b982b4096fe94c5. 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/2Iv1UiAH1CwSwYKV96mhkF.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/2Iv1UiAH1CwSwYKV96mhkF.
L'inquietudine di esistere (DJ Nais Remix)
Com'è profondo il mare (featuring Lucio Dalla)
Due Destini (18th Anniversary) (feat. Alessandra Amoroso)
{"copyright_id":"0x0defa91bd207ec1bfeea726d6e9d79d110be5ea4c39612eeeb1ed2d8797e98dd","isrc":"ITB001800337","name":"Noi casomai","registered_at":"2026-06-05T16:11:56Z","spotify_id":"1A56ji9R3aMx2BXMaLWslf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0defa91bd207ec1bfeea726d6e9d79d110be5ea4c39612eeeb1ed2d8797e98dd. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1A56ji9R3aMx2BXMaLWslf.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/1A56ji9R3aMx2BXMaLWslf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a72b7971772fba68de674768ba77044f724e0668c4f4fd1853730fa91c1f4b6. 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/5CUA4D216X2XJtk6ePncXS.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/5CUA4D216X2XJtk6ePncXS.
{"copyright_id":"0x0defa91bd207ec1bfeea726d6e9d79d110be5ea4c39612eeeb1ed2d8797e98dd","isrc":"ITB001800337","name":"Noi casomai","registered_at":"2026-06-05T16:11:56Z","spotify_id":"6wJ4kGBnctTHgftMhmuaTg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0defa91bd207ec1bfeea726d6e9d79d110be5ea4c39612eeeb1ed2d8797e98dd. 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/6wJ4kGBnctTHgftMhmuaTg.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/6wJ4kGBnctTHgftMhmuaTg.
La descrizione di un attimo (feat. Jovanotti)
{"copyright_id":"0x25613dbf7596197b2b4059d9dc88901d8b2e21ceacf2e2ec4771f4e84d0c114c","isrc":"ITB001800338","name":"La descrizione di un attimo (feat. Jovanotti)","registered_at":"2026-06-07T06:39:12Z","spotify_id":"72o6vzikd52hNBILoYKT0K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25613dbf7596197b2b4059d9dc88901d8b2e21ceacf2e2ec4771f4e84d0c114c. 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/72o6vzikd52hNBILoYKT0K.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/72o6vzikd52hNBILoYKT0K.
{"copyright_id":"0xc85d10d6ffe8d5296596f38ea4e2d719ea22f0c2a62d0e0ef1d68696b8b7b60c","isrc":"ITB001800339","name":"Due Destini (feat. Alessandra Amoroso)","registered_at":"2026-06-06T09:34:34Z","spotify_id":"6MVCI0w9M7QKp68VkSxSEV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85d10d6ffe8d5296596f38ea4e2d719ea22f0c2a62d0e0ef1d68696b8b7b60c. 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/6MVCI0w9M7QKp68VkSxSEV.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/6MVCI0w9M7QKp68VkSxSEV.
Per me è importante (feat. Tiziano Ferro)
{"copyright_id":"0x3c37165e830c785eb3614600a7e3ece8dbdd6b034d8d392b2fd04c13948eee8b","isrc":"ITB001800340","name":"Per me è importante (feat. Tiziano Ferro)","registered_at":"2026-06-08T18:52:06Z","spotify_id":"0itxSlqC1bRMhp9S1Y8v2W","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c37165e830c785eb3614600a7e3ece8dbdd6b034d8d392b2fd04c13948eee8b. 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/0itxSlqC1bRMhp9S1Y8v2W.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/0itxSlqC1bRMhp9S1Y8v2W.
Un tempo piccolo (feat. Biagio Antonacci)
{"copyright_id":"0x46dea8875ea0dfba409b5405345f9180d7c2c5c7886b5361456a29c7efdf0403","isrc":"ITB001800341","name":"Un tempo piccolo (feat. Biagio Antonacci)","registered_at":"2026-06-06T09:37:08Z","spotify_id":"1EIFTfcLxPkFW00qRGwOuW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46dea8875ea0dfba409b5405345f9180d7c2c5c7886b5361456a29c7efdf0403. 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/1EIFTfcLxPkFW00qRGwOuW.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/1EIFTfcLxPkFW00qRGwOuW.
{"copyright_id":"0x1c881a97f9f5a7230f3750691bd2247dddca4c3d87c177e04f0cb8cc77b06ef9","isrc":"ITB001800344","name":"Liberi (feat. Giuliano Sangiorgi)","registered_at":"2026-06-09T15:59:23Z","spotify_id":"6E9ZDSJsYZGdTibrpKMWjw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c881a97f9f5a7230f3750691bd2247dddca4c3d87c177e04f0cb8cc77b06ef9. 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/6E9ZDSJsYZGdTibrpKMWjw.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/6E9ZDSJsYZGdTibrpKMWjw.
Amore impossibile (feat. Elisa & Mannarino)
{"copyright_id":"0x55ba114966d2ce13be7c138a7dc773cc7f022bee258e599fd1dc620e872a5956","isrc":"ITB001800342","name":"Amore impossibile (feat. Elisa & Mannarino)","registered_at":"2026-06-05T21:01:10Z","spotify_id":"53XK42G7K0FXw25wlCwn6C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ba114966d2ce13be7c138a7dc773cc7f022bee258e599fd1dc620e872a5956. 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/53XK42G7K0FXw25wlCwn6C.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/53XK42G7K0FXw25wlCwn6C.
Se mi verrai a cercare (feat. Alborosie)
{"copyright_id":"0xff49eab7e48aa7eeb53c14b3f0058551b0f50d994bf4549ccca5f0a5b17901de","isrc":"ITB001800343","name":"Se mi verrai a cercare (feat. Alborosie)","registered_at":"2026-06-24T09:13:17Z","spotify_id":"6Ee6aiL8jPFsgv3eOQ3OuH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff49eab7e48aa7eeb53c14b3f0058551b0f50d994bf4549ccca5f0a5b17901de. 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/6Ee6aiL8jPFsgv3eOQ3OuH.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/6Ee6aiL8jPFsgv3eOQ3OuH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x682a3fa095c129df091928f364b9dae003aad29ab6bbfa75a12f00627d6aff36. 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/0q2y0SMlzPw2LnlqJ6992S.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/0q2y0SMlzPw2LnlqJ6992S.
I giorni migliori (feat. Thegiornalisti)
{"copyright_id":"0x0023d3c25b71e058dea9acb1141f55e6fc4cebde6cceed1ed89d3f36a13af788","isrc":"ITB001800346","name":"I giorni migliori (feat. Thegiornalisti)","registered_at":"2026-06-08T02:15:29Z","spotify_id":"4qguc5L8oIlqs34Wj4XaiB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0023d3c25b71e058dea9acb1141f55e6fc4cebde6cceed1ed89d3f36a13af788. 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/4qguc5L8oIlqs34Wj4XaiB.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/4qguc5L8oIlqs34Wj4XaiB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f9e3f7063b8da41a386ab62c3916145bea5f312288e9120eb4624308095b78. 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/6TDCpUEnzJGudWZzdMEcs1.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/6TDCpUEnzJGudWZzdMEcs1.
{"copyright_id":"0x28954c38534a8a69b656bfa1b19f4abf8f44cb4981cf6f2aa646440437975fa2","isrc":"ITB001800348","name":"Imparare dal vento (feat. Luca Carboni)","registered_at":"2026-06-10T15:07:06Z","spotify_id":"7gnyvbId0zAVm03PTvmhkD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28954c38534a8a69b656bfa1b19f4abf8f44cb4981cf6f2aa646440437975fa2. 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/7gnyvbId0zAVm03PTvmhkD.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/7gnyvbId0zAVm03PTvmhkD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013ccb9c89fed8f546ef36ca72384560b80111062aa83a6b8f09d44f1c135e11. 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/4jBQ1OqH1x1l6ze2F9Jjnp.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/4jBQ1OqH1x1l6ze2F9Jjnp.
Immagini che lasciano il segno (feat. Lilly Z)
{"copyright_id":"0x26323ece7516eb6a7dad992848a0dc3c95bee9fa3351698c13b2a0fa41c3d239","isrc":"ITB001800350","name":"Immagini che lasciano il segno (feat. Lilly Z)","registered_at":"2026-06-17T03:38:57Z","spotify_id":"7yJ4Mo6ZSdzSu5nuSFtRMk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26323ece7516eb6a7dad992848a0dc3c95bee9fa3351698c13b2a0fa41c3d239. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:27:13Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yJ4Mo6ZSdzSu5nuSFtRMk.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/7yJ4Mo6ZSdzSu5nuSFtRMk.
{"copyright_id":"0x39e65607acaef842509c66082489ad9b73b2ac790a653da75cd7c7ab4ecfefdf","isrc":"ITB001800351","name":"Piccoli miracoli - Acoustic Version","registered_at":"2026-06-20T23:59:23Z","spotify_id":"3MtcqB8WxLrD0SnoM2XmEZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e65607acaef842509c66082489ad9b73b2ac790a653da75cd7c7ab4ecfefdf. 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/3MtcqB8WxLrD0SnoM2XmEZ.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/3MtcqB8WxLrD0SnoM2XmEZ.
{"copyright_id":"0x8835ab729cfed59af89132f0f7c56a5c5ad766ad41b2dacc8cd3d02cf2abe743","isrc":"QM4TX2343838","name":"Confini (feat. Tiromancino)","registered_at":"2026-06-05T21:02:16Z","spotify_id":"6zdUVwPxxyXDV4990p06eL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8835ab729cfed59af89132f0f7c56a5c5ad766ad41b2dacc8cd3d02cf2abe743. 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/6zdUVwPxxyXDV4990p06eL.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/6zdUVwPxxyXDV4990p06eL.
{"copyright_id":"0x0fd1faa4aec67dd46abdeb77301b5606b8e59e0cbd7bb7d84c14dcae4daf1b5f","isrc":"ITDF62177033","name":"VIA DA QUI (feat. Ernia & Tiromancino)","registered_at":"2026-06-08T11:01:13Z","spotify_id":"0gQBjnpfVlLuqiG0Zl3tZH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd1faa4aec67dd46abdeb77301b5606b8e59e0cbd7bb7d84c14dcae4daf1b5f. 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/0gQBjnpfVlLuqiG0Zl3tZH.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/0gQBjnpfVlLuqiG0Zl3tZH.
{"copyright_id":"0x0fd1faa4aec67dd46abdeb77301b5606b8e59e0cbd7bb7d84c14dcae4daf1b5f","isrc":"ITDF62177033","name":"VIA DA QUI (feat. Ernia & Tiromancino)","registered_at":"2026-06-08T11:01:13Z","spotify_id":"102iifqNiyFuNBrY5BYijA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd1faa4aec67dd46abdeb77301b5606b8e59e0cbd7bb7d84c14dcae4daf1b5f. 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/102iifqNiyFuNBrY5BYijA.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/102iifqNiyFuNBrY5BYijA.
Sarò Franco, Vol.2 (Canzoni inedite di Califano)
{"copyright_id":"0x2b88f3c601ec15da049e544e7ca3fce4262a79182cd222aed747ee136483bb18","isrc":"ITB001400196","name":"Come una cometa (feat. Tiromancino)","registered_at":"2026-06-05T11:57:26Z","spotify_id":"4KETu0aHbwBnexczkjihwp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b88f3c601ec15da049e544e7ca3fce4262a79182cd222aed747ee136483bb18. 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/4KETu0aHbwBnexczkjihwp.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/4KETu0aHbwBnexczkjihwp.
{"copyright_id":"0x805f86692b9f385306d3e758ec38c538f4378e6b92ea2de7094715c0390ccc89","isrc":"ITUM72301450","name":"Panni di un altro (feat. Tiromancino)","registered_at":"2026-06-09T16:05:42Z","spotify_id":"4IZo700gSAARBbvUIvp1AH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x805f86692b9f385306d3e758ec38c538f4378e6b92ea2de7094715c0390ccc89. 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/4IZo700gSAARBbvUIvp1AH.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/4IZo700gSAARBbvUIvp1AH.
{"copyright_id":"0x2b88f3c601ec15da049e544e7ca3fce4262a79182cd222aed747ee136483bb18","isrc":"ITB001400196","name":"Come una cometa (feat. Tiromancino)","registered_at":"2026-06-05T11:57:26Z","spotify_id":"3bhTyCwR43mLASRcliDlCv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b88f3c601ec15da049e544e7ca3fce4262a79182cd222aed747ee136483bb18. 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/3bhTyCwR43mLASRcliDlCv.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/3bhTyCwR43mLASRcliDlCv.