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 0x213328d605822c5298a4da6e9bfdf7118f4eaaae78ad82e485c55e421ec0a373. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea4f8f1f-da77-4132-8f06-afdc7727d4f3.json and https://artists.proofprofile.net/proofs/artist/ea4f8f1f-da77-4132-8f06-afdc7727d4f3.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 0x76c6780c2734ef3ae6df7794a656f9217d9a372d7da2f13051a8eee85c9dd6cb. 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/1pRj80g1ZF938azjy8xsJ1.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/1pRj80g1ZF938azjy8xsJ1.
{"copyright_id":"0xcd75e15669af69edc5faec95fa40830ab6dcdb869965126644e6839e51db4aed","isrc":"QZNJV2325514","name":"Mano Zafe Mano Indio (Light)","registered_at":"2026-06-05T11:53:01Z","spotify_id":"6aMh57GMgU9cbqN3NbeaEs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd75e15669af69edc5faec95fa40830ab6dcdb869965126644e6839e51db4aed. 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/6aMh57GMgU9cbqN3NbeaEs.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/6aMh57GMgU9cbqN3NbeaEs.
Mano Zafe, Mano Índio X Arrochadeira - Remix
{"copyright_id":"0x800738feaae5e7ef562c9af9ef69d82128abfd98ab3166094db0336207830b92","isrc":"QZNJV2340793","name":"Mano Zafe, Mano Índio X Arrochadeira - Remix","registered_at":"2026-06-10T15:43:47Z","spotify_id":"1RpJtHtRhIds1wZAKrYnJ7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800738feaae5e7ef562c9af9ef69d82128abfd98ab3166094db0336207830b92. 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/1RpJtHtRhIds1wZAKrYnJ7.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/1RpJtHtRhIds1wZAKrYnJ7.
{"copyright_id":"0xc390f16e171c9e3a0a39c0cd8b8056740f6c8160ab733242ecea8adb0fbd672e","isrc":"AUMEV2509869","name":"MENORZINHO DO MORRO X MARIA FUZIL","registered_at":"2026-06-25T21:15:25Z","spotify_id":"5rUuxiuGDh8fAI769fYjcS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc390f16e171c9e3a0a39c0cd8b8056740f6c8160ab733242ecea8adb0fbd672e. 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/5rUuxiuGDh8fAI769fYjcS.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/5rUuxiuGDh8fAI769fYjcS.
Pulou o Muro Pulou a Janela Vs É Só Tu Manter no Sigilo
Mano Zafe, Mano Índio - Light (Arrochadeira)
Mano Zafe, Mano Índio - Light ( feat. DJ 2K DO CHAPADÃO)
{"copyright_id":"0xc606cea8b8e145a2107dd98e4f1a2f31d0fb65f0a39e3e7d923a8f1845e5a800","isrc":"QZNJW2353687","name":"Mano Zafe X Street Fighter","registered_at":"2026-06-06T09:18:29Z","spotify_id":"6r2sESEE5rmXTU3WBQ3jQG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc606cea8b8e145a2107dd98e4f1a2f31d0fb65f0a39e3e7d923a8f1845e5a800. 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/6r2sESEE5rmXTU3WBQ3jQG.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/6r2sESEE5rmXTU3WBQ3jQG.
{"copyright_id":"0x9497f279bbf278f448e535be754e21863f3d8a5a2d5fe28009ed52f96763b1e2","isrc":"BCPBD2100050","name":"Cartão Clonado","registered_at":"2026-06-10T04:06:00Z","spotify_id":"4GaIBjOWOWDVNwhxGnMf9J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9497f279bbf278f448e535be754e21863f3d8a5a2d5fe28009ed52f96763b1e2. 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/4GaIBjOWOWDVNwhxGnMf9J.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/4GaIBjOWOWDVNwhxGnMf9J.
{"copyright_id":"0x08fcf15a67cbcd0a4a87f96da02580643e8195accecc405205209e64232c2998","isrc":"QZMZ92341046","name":"Ela dá pra Nois Que Nois É Raul","registered_at":"2026-06-07T13:32:44Z","spotify_id":"6zSru9PZmoonJkiTa6V7jk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08fcf15a67cbcd0a4a87f96da02580643e8195accecc405205209e64232c2998. 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/6zSru9PZmoonJkiTa6V7jk.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/6zSru9PZmoonJkiTa6V7jk.