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 0x87c9adadb6a536f888b4b9f4d17dc3c39fe0601d685e952801e60a51fa2f4b5c. 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/90db8576-37f4-4e0d-b0ab-143d19d963b3.json and https://artists.proofprofile.net/proofs/artist/90db8576-37f4-4e0d-b0ab-143d19d963b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
MACCHINE (feat. Nicola Siciliano, Bresh)
{"copyright_id":"0x14dfaf642854f9db041a2e2334a8b931499499e863c3160e5a47fb9a556f4072","isrc":"ITDF62277088","name":"MACCHINE (feat. Nicola Siciliano, Bresh)","registered_at":"2026-06-04T08:59:09Z","spotify_id":"1ibVG0eXe9WlEPPLiwDD2B","type":"track"}
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 0x14dfaf642854f9db041a2e2334a8b931499499e863c3160e5a47fb9a556f4072. 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/1ibVG0eXe9WlEPPLiwDD2B.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/1ibVG0eXe9WlEPPLiwDD2B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9976b210d6981ff0d7b5535a8fdc4b0619f9e5533b6457711fa818143ca0f3a8. 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/0rKe8SPE7SptRJUUA7MjF6.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/0rKe8SPE7SptRJUUA7MjF6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd897d100765d758cbafb29c26ad3e3ce6eb23ae9800f4e4b849fac0881d7fc93. 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/4AxyZN4zHmWpH7QiShhF92.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/4AxyZN4zHmWpH7QiShhF92.
{"copyright_id":"0xd897d100765d758cbafb29c26ad3e3ce6eb23ae9800f4e4b849fac0881d7fc93","isrc":"ITFR82110139","name":"100 S (feat. Bresh & Disme)","registered_at":"2026-06-09T16:00:45Z","spotify_id":"4KQdfYr3CRAWaBsFVo5mCe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd897d100765d758cbafb29c26ad3e3ce6eb23ae9800f4e4b849fac0881d7fc93. 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/4KQdfYr3CRAWaBsFVo5mCe.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/4KQdfYr3CRAWaBsFVo5mCe.
VUOTO DENTRO (feat. Mara Sattei & Bresh)
{"copyright_id":"0x2e6280aa84f42689fa1c3474e7d90403f50d052a085989636cdf6f70a4e5611f","isrc":"ITB262201310","name":"VUOTO DENTRO (feat. Mara Sattei & Bresh)","registered_at":"2026-06-04T10:02:57Z","spotify_id":"5MUW08JDEudgMfdosJPjK0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6280aa84f42689fa1c3474e7d90403f50d052a085989636cdf6f70a4e5611f. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:28:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5MUW08JDEudgMfdosJPjK0.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/5MUW08JDEudgMfdosJPjK0.
{"copyright_id":"0x94025a245ad5f99ccd540b8d52c5b4199761487d640fbbe45b65acfe14fc3a1d","isrc":"ITB002300772","name":"Altamente Mia","registered_at":"2026-06-23T09:17:25Z","spotify_id":"0hFDamZj4pSRYomm1YOdbn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94025a245ad5f99ccd540b8d52c5b4199761487d640fbbe45b65acfe14fc3a1d. 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/0hFDamZj4pSRYomm1YOdbn.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/0hFDamZj4pSRYomm1YOdbn.
Mezzanotte in Punto (con Franco126, Ketama126 & Bresh)
{"copyright_id":"0x56de2bae7f819bd1b833f63360303b48e0b0179ec9daed65f2292f4c3c6b87a3","isrc":"ITUM72201094","name":"Mezzanotte in Punto (con Franco126, Ketama126 & Bresh)","registered_at":"2026-06-04T09:43:56Z","spotify_id":"2ppZvuaUPZftMUZ5PZQ1Qd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56de2bae7f819bd1b833f63360303b48e0b0179ec9daed65f2292f4c3c6b87a3. 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/2ppZvuaUPZftMUZ5PZQ1Qd.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/2ppZvuaUPZftMUZ5PZQ1Qd.
Come Mi Guardi (con Madame, Coez & Bresh)
{"copyright_id":"0x6fa2737f795fe7fc9099ff198498f4be48ef652b77986353168064de7ba92b07","isrc":"ITUM72201082","name":"Come Mi Guardi (con Madame, Coez & Bresh)","registered_at":"2026-06-04T10:18:09Z","spotify_id":"1IRllh4V0h8MUGEHROZvhe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fa2737f795fe7fc9099ff198498f4be48ef652b77986353168064de7ba92b07. 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/1IRllh4V0h8MUGEHROZvhe.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/1IRllh4V0h8MUGEHROZvhe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388f43934be9c6c41986704f6fdb21ed82bde39b118919624d0c60b5c315e341. 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/7w101rqRU7Mg8o3G5XweDT.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/7w101rqRU7Mg8o3G5XweDT.
STREET ABBRONZATISSIMA Urban Hits Estive Rap Italiano Game Over
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388f43934be9c6c41986704f6fdb21ed82bde39b118919624d0c60b5c315e341. 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/5OQo1GGSUcOSRKX9eSqdGU.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/5OQo1GGSUcOSRKX9eSqdGU.
{"copyright_id":"0xd6effaf482f1dcef9f8f940fa291819e01a5a7ef4ca2c094a2bc03025dcaf7a9","isrc":"ITUM72400994","name":"Good girl (feat. Rkomi, Ernia & Bresh)","registered_at":"2026-06-04T03:30:06Z","spotify_id":"3O71vkxPcYjozstB6cR5H0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6effaf482f1dcef9f8f940fa291819e01a5a7ef4ca2c094a2bc03025dcaf7a9. 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/3O71vkxPcYjozstB6cR5H0.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/3O71vkxPcYjozstB6cR5H0.
{"copyright_id":"0x5737a6466ce8ca53f2eed64aa2e5994086a04d7aeda06b5e261f6d4914c66d18","isrc":"ITJG42400019","name":"diamoci una tregua (feat. Bresh)","registered_at":"2026-06-04T08:31:38Z","spotify_id":"2QkbQPAVPxkek0BZYVW4LH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5737a6466ce8ca53f2eed64aa2e5994086a04d7aeda06b5e261f6d4914c66d18. 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/2QkbQPAVPxkek0BZYVW4LH.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/2QkbQPAVPxkek0BZYVW4LH.
{"copyright_id":"0x2e6280aa84f42689fa1c3474e7d90403f50d052a085989636cdf6f70a4e5611f","isrc":"ITB262201310","name":"VUOTO DENTRO (feat. Mara Sattei & Bresh)","registered_at":"2026-06-04T10:02:57Z","spotify_id":"64ueSsNkOmltYWj2NDSco1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6280aa84f42689fa1c3474e7d90403f50d052a085989636cdf6f70a4e5611f. 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/64ueSsNkOmltYWj2NDSco1.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/64ueSsNkOmltYWj2NDSco1.
{"copyright_id":"0xd8a6ba2d1132a390fca6895b5a75f024232a47726d453ac30edac8e1d7e03139","isrc":"ITUM72400413","name":"NUOVO ME ᭆ (con Rkomi, Bresh, Iako)","registered_at":"2026-06-04T10:58:40Z","spotify_id":"0slUOTXqPhuyaBY66fQNNU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8a6ba2d1132a390fca6895b5a75f024232a47726d453ac30edac8e1d7e03139. 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/0slUOTXqPhuyaBY66fQNNU.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/0slUOTXqPhuyaBY66fQNNU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4df4ecb5cfa411c49721760048583a795b4cdcd3c7e17d4aca501748fc48c92. 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/0M0fitIB6l5CFlm9pukiEm.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/0M0fitIB6l5CFlm9pukiEm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef02d330d5d29103c26c90619da20be8647cd13af735439257349985f751bf1. 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/0DSq4f2grIJOrawmfXkrRy.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/0DSq4f2grIJOrawmfXkrRy.