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 0xb59d054c0deaa863ab04096e56a5c1434988e28d390d471aea0706b575ad16ac. 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/a32f8e6b-6eca-4026-828f-10454cf08669.json and https://artists.proofprofile.net/proofs/artist/a32f8e6b-6eca-4026-828f-10454cf08669.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x669dabfb64135d3b5aa1a667d7b338b777abf31aa74a2584037fb1dd0ccc7ddc","isrc":"QZHZ52281505","name":"Acapulco Baile da Vila Ideal","registered_at":"2026-06-21T02:46:55Z","spotify_id":"3e8Qy8vVP93Yk5OfJMNbRk","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 0x669dabfb64135d3b5aa1a667d7b338b777abf31aa74a2584037fb1dd0ccc7ddc. 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/3e8Qy8vVP93Yk5OfJMNbRk.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/3e8Qy8vVP93Yk5OfJMNbRk.
Tropa do Urso Tropa do Abelha É os Filhote do Dc
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Eu Descubri o Teu Segredinho vs Casa Branca
Novo Passinho do Romano X Reverse (2022 Remasterizado)
Novo Passinho do Romano X Reverse - 2022 Remasterizado
Mtg, Glockada Preta vs Tropa Dos Sem Amor vs Novinha Profissional
{"copyright_id":"0xdf9110e63130faa8e83ad9c88f8b4a932558d97756126136b84c0a21906c8fc8","isrc":"BRSME2201052","name":"Medley Morro do Sapo","registered_at":"2026-06-19T08:02:18Z","spotify_id":"7ga6xdjXMjOh5SXvwRuQdS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf9110e63130faa8e83ad9c88f8b4a932558d97756126136b84c0a21906c8fc8. 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/7ga6xdjXMjOh5SXvwRuQdS.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/7ga6xdjXMjOh5SXvwRuQdS.
{"copyright_id":"0x28300b2e9c196a0d82c5d867d25ec92d15f4c89ced2244a52b36dc969ae53a96","isrc":"QZGLM2328016","name":"Vem Vem Birimbola","registered_at":"2026-06-07T18:53:26Z","spotify_id":"2b1dyFkHc0SaEafoCsxTxN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28300b2e9c196a0d82c5d867d25ec92d15f4c89ced2244a52b36dc969ae53a96. 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/2b1dyFkHc0SaEafoCsxTxN.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/2b1dyFkHc0SaEafoCsxTxN.
10 Minutinhos da Tropa do Menino Rei Tropa do Pozeroso
{"copyright_id":"0x079579601909b1f26193a14348e2890b31bebdbf8e681cc49df78a99178fc2fa","isrc":"QZNJY2387836","name":"10 Minutinhos da Tropa do Menino Rei Tropa do Pozeroso","registered_at":"2026-06-07T12:36:31Z","spotify_id":"3OM1FrBu2am07U9VydxGhy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079579601909b1f26193a14348e2890b31bebdbf8e681cc49df78a99178fc2fa. 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/3OM1FrBu2am07U9VydxGhy.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/3OM1FrBu2am07U9VydxGhy.