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 0x29cac4f59f5d3af93bbb1745b1b73af97959ceb734407ea900dd5f99fedda012. 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/0aea47d1-4c24-4af7-9238-a309f00328bf.json and https://artists.proofprofile.net/proofs/artist/0aea47d1-4c24-4af7-9238-a309f00328bf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hit Ledger (feat. Fred De Palma, Willie Peyote, Rew)
Se i rapper fossero noi (feat. Fred De Palma)
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 0x7c30b117c02fc20bb6117c94d9ec1a5161acc90f765e925edd3f34a38e87e7cf. 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/3e8vjgUQQ4qJQ4xtwiTx5W.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/3e8vjgUQQ4qJQ4xtwiTx5W.
{"copyright_id":"0x0c7e5ce54bd7d1cf512d00958cc6c42e5cc951a54856efd6848c62c918c8318e","isrc":"ITQ001500383","name":"Seventeen idol","registered_at":"2026-06-10T18:25:33Z","spotify_id":"51tTMvUeiwOHKdzfieOykc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7e5ce54bd7d1cf512d00958cc6c42e5cc951a54856efd6848c62c918c8318e. 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/51tTMvUeiwOHKdzfieOykc.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/51tTMvUeiwOHKdzfieOykc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033da9b67e6fe90e4c88785f2cd9cbf519b0c44dd49271efb22e8d443d3a6a84. 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/18FC42Eddza9aZ2sJk7JLJ.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/18FC42Eddza9aZ2sJk7JLJ.
{"copyright_id":"0x4ea5b649d5377dd46dd85b469c1a960706ab8a12b4f34a32c8d7c6fc97bc0a47","isrc":"ITQ001500371","name":"Se i rapper fossero noi (feat. Fred De Palma)","registered_at":"2026-06-18T02:15:33Z","spotify_id":"5HTGSP8c40ygqTt615jQ1k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea5b649d5377dd46dd85b469c1a960706ab8a12b4f34a32c8d7c6fc97bc0a47. 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/5HTGSP8c40ygqTt615jQ1k.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/5HTGSP8c40ygqTt615jQ1k.
{"copyright_id":"0x46ca496b55e6179215c86f5e85bd42b71a1fed12504dccbf87e70fc3ccbe1ce5","isrc":"ITQ001500385","name":"Stronza bipolare","registered_at":"2026-06-07T20:25:55Z","spotify_id":"2Y55jux7ETnf2tnOPDKMIs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ca496b55e6179215c86f5e85bd42b71a1fed12504dccbf87e70fc3ccbe1ce5. 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/2Y55jux7ETnf2tnOPDKMIs.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/2Y55jux7ETnf2tnOPDKMIs.
{"copyright_id":"0x1ea0082b8d650a2814fcc76fea15404b1ac154b94b53c7ebdfc9ee64df8c6ccd","isrc":"ITQ001500386","name":"Bar mitzvah","registered_at":"2026-06-24T14:28:21Z","spotify_id":"4IiU4NaqSRjKDmg0pFHbXb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea0082b8d650a2814fcc76fea15404b1ac154b94b53c7ebdfc9ee64df8c6ccd. 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/4IiU4NaqSRjKDmg0pFHbXb.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/4IiU4NaqSRjKDmg0pFHbXb.
{"copyright_id":"0x22ac8dff2e2f457375d48d85fd33cf941ff26db550c29ba274f4c417afe3cab8","isrc":"ITQ001500387","name":"Sogni d'odio","registered_at":"2026-06-10T18:20:37Z","spotify_id":"1XySIcTYblMUGFKCgA3zz2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22ac8dff2e2f457375d48d85fd33cf941ff26db550c29ba274f4c417afe3cab8. 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/1XySIcTYblMUGFKCgA3zz2.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/1XySIcTYblMUGFKCgA3zz2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bb4b2a19859263df8aa3f4fbfd6ed939f1edc6f44fc38fc0e9009dd5ccad586. 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/6G2kEbCdAgvhpwAdiw3Wcy.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/6G2kEbCdAgvhpwAdiw3Wcy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28be5b8ff87198d94ad399a0576d3ac68caadb3276346c8d46c3a247ce14c6e5. 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/7qfn2yeqLO0uypXk4yQlI9.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/7qfn2yeqLO0uypXk4yQlI9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6728c6dad7d614253755e4385eadd8bfc36d57a2c5f5c6e065a7e1519215840b. 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/41kzqvBqBZeosKAr4JgQqC.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/41kzqvBqBZeosKAr4JgQqC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7167e927d0bc8b499cf837a5a35968b0a37003323467697425491a1c73ba66f5. 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/2kRpkhjraGIcezsQnSMGMV.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/2kRpkhjraGIcezsQnSMGMV.
{"copyright_id":"0xea3f17ca46da9bc7115471f4bf865c5ab7e9247ea8e1b37eb70d4027ab3ec6ea","isrc":"ITQ001500392","name":"Tutto l'alfabeto (Shaday)","registered_at":"2026-06-25T21:05:17Z","spotify_id":"36HzDJD3byr9Wi6GgIq9JB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea3f17ca46da9bc7115471f4bf865c5ab7e9247ea8e1b37eb70d4027ab3ec6ea. 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/36HzDJD3byr9Wi6GgIq9JB.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/36HzDJD3byr9Wi6GgIq9JB.
{"copyright_id":"0xd80faaf951a249d91b9b21fc7b90f82c319a6acccb7656c5d79b3e421f0a6a87","isrc":"ITQ001800599","name":"Ouverture (Welcome to the Show)","registered_at":"2026-06-29T06:42:23Z","spotify_id":"6UNpaJ27GooJehoSnycud4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80faaf951a249d91b9b21fc7b90f82c319a6acccb7656c5d79b3e421f0a6a87. 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/6UNpaJ27GooJehoSnycud4.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/6UNpaJ27GooJehoSnycud4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7713ede270fc0f33ec294a561a86c1fb6047e84eea58629fb8016110b8f15986. 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/5PI6QllATCUZh7tjvLIbqo.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/5PI6QllATCUZh7tjvLIbqo.
Senza farlo apposta (feat. Cristina D'Avena)
Autostop - Alex Guesta & Nicola Fasano Remix
Autostop - Rudeejay & Da Brozz x JARO Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff13876b905508cd9a1f01e5b766b576c726f45a6570b859921effe23c19b67. 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/4fMg2IA6jIFzkvCHmo3XWy.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/4fMg2IA6jIFzkvCHmo3XWy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb7f1c98efd5f04c83505c4a31ea675f30c07112e5e69ced5af74a2420ae020. 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/7cK3pIqSJE8OFDxWgvfpcF.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/7cK3pIqSJE8OFDxWgvfpcF.
Che buona (feat. Shade) - prod. Frenkie G
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638731c836e2d984b2baf50ac080c6b214e4ba38394a893f8346f82c84e41346. 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/7A1Cd3fDX9AIrKB5upvro5.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/7A1Cd3fDX9AIrKB5upvro5.
{"copyright_id":"0x243f1dc87fc0b6077fbf6f470f2491fc6ecbc072ce7410716460160768bed8d7","isrc":"IT2HQ2200093","name":"Anche meno (feat. Shade)","registered_at":"2026-06-27T04:55:59Z","spotify_id":"5RzfllcA1NI5yaQbLDClI3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x243f1dc87fc0b6077fbf6f470f2491fc6ecbc072ce7410716460160768bed8d7. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5RzfllcA1NI5yaQbLDClI3.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/5RzfllcA1NI5yaQbLDClI3.
{"copyright_id":"0x4aec0bf794be8d70d5b9d6fc421f8ded1e5afe464ea45002e5531c9dd0adc80f","isrc":"ITB551413274","name":"Sedativo - Prod. Drops To Zero","registered_at":"2026-06-20T09:06:12Z","spotify_id":"37EMUuNu8venEFzEmYBT1C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aec0bf794be8d70d5b9d6fc421f8ded1e5afe464ea45002e5531c9dd0adc80f. 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/37EMUuNu8venEFzEmYBT1C.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/37EMUuNu8venEFzEmYBT1C.
Più del fuoco (feat. Shade & Yota Damore)
{"copyright_id":"0x5b6d567383f381ecd128d9b1dec21446b5c56ea9781b0be98457f2ea33e01c7a","isrc":"ZZOPM2118981","name":"Più del fuoco (feat. Shade & Yota Damore)","registered_at":"2026-06-21T09:29:24Z","spotify_id":"3toYq1FSFwc7KNTv7Bg8WR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b6d567383f381ecd128d9b1dec21446b5c56ea9781b0be98457f2ea33e01c7a. 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/3toYq1FSFwc7KNTv7Bg8WR.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/3toYq1FSFwc7KNTv7Bg8WR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5534b8b4e97704e22452068df7cef820063bde7d1515fb82b9caabe4398fbc89. 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/25Elu6BC1KBCg8Ea0067BH.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/25Elu6BC1KBCg8Ea0067BH.
{"copyright_id":"0x4c2e8ff28e7d958079aa8bb11f9e3a88f894553c9cc6eaca39a94e3b12e53c15","isrc":"ITR0H2100049","name":"Ultimo Tango a San Lorenzo","registered_at":"2026-06-18T16:41:12Z","spotify_id":"6bVen4HUY4BJtGzqqtgolO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2e8ff28e7d958079aa8bb11f9e3a88f894553c9cc6eaca39a94e3b12e53c15. 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/6bVen4HUY4BJtGzqqtgolO.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/6bVen4HUY4BJtGzqqtgolO.
{"copyright_id":"0x28562de729fbfa70502f3ec6db4b1ff3350ac2de9d77b3c21487213b8c7ddb55","isrc":"ITB551915522","name":"L'ultima spiaggia","registered_at":"2026-06-08T18:49:19Z","spotify_id":"71U5aXSQA9xy9LWLqPHApH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28562de729fbfa70502f3ec6db4b1ff3350ac2de9d77b3c21487213b8c7ddb55. 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/71U5aXSQA9xy9LWLqPHApH.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/71U5aXSQA9xy9LWLqPHApH.