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 0xfcdf5915da521fb01e4c40ff4e1c46b262af065f7addb344689e2256783fb3e1. 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/00fb3c7d-6bc2-4472-aff0-a04fe51f27fc.json and https://artists.proofprofile.net/proofs/artist/00fb3c7d-6bc2-4472-aff0-a04fe51f27fc.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 0x1f97a1be75bb3a07a8d5d92f3fd581922d65bc4060594aab8df1649ea286e752. 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/61pKJt7zXoXxiTZkZ82S9M.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/61pKJt7zXoXxiTZkZ82S9M.
Visão do Martins (feat. DJ Fb de Niterói)
{"copyright_id":"0x94b276ea9570deedf6672ce4efc6010ddee0e51eef97cf8f8c9659ab34348b55","isrc":"ESA112436924","name":"Visão do Martins (feat. DJ Fb de Niterói)","registered_at":"2026-06-21T02:43:37Z","spotify_id":"4ndg9DneGl4CV6owza34As","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b276ea9570deedf6672ce4efc6010ddee0e51eef97cf8f8c9659ab34348b55. 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/4ndg9DneGl4CV6owza34As.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/4ndg9DneGl4CV6owza34As.
Montagem Pique Mulçumano Vou da uma Rajada
Novinha Vem Mostrando Seu Talento (feat. PL Torvic)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x953de494ae45d534df2c5d126824b947f87d58969ddb37b31e41046c64770c2d. 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/68KYAy8k5bjvUvbainPyQp.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/68KYAy8k5bjvUvbainPyQp.
{"copyright_id":"0xb287bbcbe6362dfbd1178b10234554dae5283b32eb327af00821c249cc8adf2f","isrc":"SGW502219287","name":"Agora eu Sou Livramento Né","registered_at":"2026-06-20T06:18:04Z","spotify_id":"4GlobTNpvqAVGlrY0IWc85","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb287bbcbe6362dfbd1178b10234554dae5283b32eb327af00821c249cc8adf2f. 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/4GlobTNpvqAVGlrY0IWc85.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/4GlobTNpvqAVGlrY0IWc85.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe203e2e29e40144ff8936e57ce79cbf02dd77a8a818370ace52c706aa54ca62e. 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/7Jnebh8fNCs9MpK7BoKV0j.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/7Jnebh8fNCs9MpK7BoKV0j.
{"copyright_id":"0xd8ddac807248b7c3ecf9044af5858c90ce038cc3cb4eb1b7b40c9529a4946e41","isrc":"QZW9L2415002","name":"Tudo Menos Esquecido","registered_at":"2026-06-08T20:25:23Z","spotify_id":"0B9ac1ACpPCq4xRCUpsLvQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ddac807248b7c3ecf9044af5858c90ce038cc3cb4eb1b7b40c9529a4946e41. 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/0B9ac1ACpPCq4xRCUpsLvQ.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/0B9ac1ACpPCq4xRCUpsLvQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049844e79086194808685541937803f5ff541f541e09545e773da300b5293eee. 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/3dNjWWdzbaBxRbp8hf5ayI.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/3dNjWWdzbaBxRbp8hf5ayI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1657e007eafe3611b7d8ef8cbede5c30d83251ce4cc5d3b149130abdda6ba7. 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/1R1I14nGsGfNmzs9LORNiX.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/1R1I14nGsGfNmzs9LORNiX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa419538376f6e53d2dfdf9b841444e89fc2341c06f16b573c52d2d647b85a6c0. 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/0jC7CITOLqQhFIjd7Wb3aL.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/0jC7CITOLqQhFIjd7Wb3aL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aadaca50f865101c4f6382fb84a79cf7268248f4156464e0aa9b02425fa6399. 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/0407i82WiXto6QqfLeQbOu.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/0407i82WiXto6QqfLeQbOu.
{"copyright_id":"0x07d47bbd559ff0c891da6aa8dbb907b540cafbe8ac77f645cd6d4d68592fc3cb","isrc":"BRD1E2100037","name":"Vem Ni Mim","registered_at":"2026-06-25T19:52:07Z","spotify_id":"6YkFPgWRWgECY2vvVF8rv6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d47bbd559ff0c891da6aa8dbb907b540cafbe8ac77f645cd6d4d68592fc3cb. 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/6YkFPgWRWgECY2vvVF8rv6.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/6YkFPgWRWgECY2vvVF8rv6.
{"copyright_id":"0xfb92c1f79a1ad4546a9de28d04e77cda17903f74a7cbbf62cb23424e5820ab35","isrc":"BC3PG2303827","name":"Laiane, Por Cima Vem Cavalgando","registered_at":"2026-06-20T19:14:41Z","spotify_id":"4MPnVSISUyCgqJUOTKdbyI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb92c1f79a1ad4546a9de28d04e77cda17903f74a7cbbf62cb23424e5820ab35. 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/4MPnVSISUyCgqJUOTKdbyI.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/4MPnVSISUyCgqJUOTKdbyI.