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 0x15303f55e7c26156105bb830d89f325b49207f1c568ce2c1de42f89f5439d21d. 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/94d0bfe7-ab64-4f64-92e4-05a76de7c35c.json and https://artists.proofprofile.net/proofs/artist/94d0bfe7-ab64-4f64-92e4-05a76de7c35c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Procuro Um Sinal De Ti - Remastered 2024
Eu Quero-te Assim Tanto - Remastered 2024
Passeavas na Baía (Ce Soir) - Remastered 2024
Um Carinho (Sheila) (Remix 2007) - Remastered 2024
Santos Populares - As melhores Canções Populares
{"copyright_id":"0x8f2e1db74604770721c2a033dfa9f76080a4c6c3c0d7b49e29c1ddf7fa017952","isrc":"QMFMF1414677","name":"Eu Quero-Te Assim Tanto","registered_at":"2026-06-19T12:53:01Z","spotify_id":"4z8KvsmknYLLfDcnlU43RM","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 0x8f2e1db74604770721c2a033dfa9f76080a4c6c3c0d7b49e29c1ddf7fa017952. 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/4z8KvsmknYLLfDcnlU43RM.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/4z8KvsmknYLLfDcnlU43RM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb49ef380a4c550a6ec8bee5f96423e818f8c7475ce5ad9211137215f0a83812. 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/35Inh7lreqZRyyTw1Et3I0.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/35Inh7lreqZRyyTw1Et3I0.
Kizomba, Vol. 2 (Dança Comigo) [DJ Amorim & DJ Beleza Apresentam]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9d597ded69e713b4455b161ee0a29d527691409c7aec0cfa4565324a245a32. 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/2Iy3IBSaRwnzldnjeFqWa5.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/2Iy3IBSaRwnzldnjeFqWa5.
{"copyright_id":"0xdfe324fb2302a606eeb3efb2c40e4ab33a1e5b17f66fb9833938e830c7fabce4","isrc":"USA371024348","name":"Amar-te Assim","registered_at":"2026-06-24T12:48:06Z","spotify_id":"2uZpJe0FvmURZ3IgfEUbsO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfe324fb2302a606eeb3efb2c40e4ab33a1e5b17f66fb9833938e830c7fabce4. 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/2uZpJe0FvmURZ3IgfEUbsO.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/2uZpJe0FvmURZ3IgfEUbsO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74a363e032162c14c5241a335ca1dd02802df83503261c707581cfb16c8bf32. 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/29y3c4Wo6wSfZrIeqTKHef.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/29y3c4Wo6wSfZrIeqTKHef.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b4bea0a74260d7e8c2878ee3501f2a49616f06c3aaccd35c302c9263023fca0. 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/4f5r0yOY2j39XM1abwqodO.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/4f5r0yOY2j39XM1abwqodO.