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 0x60c0a913c72058170c47907624bf2cdbde457177eabcf2212dbb07779f7344a4. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/36b1212d-1daf-4f56-832f-702215c44d66.json and https://artists.proofprofile.net/proofs/artist/36b1212d-1daf-4f56-832f-702215c44d66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Palavra Que Reza (Palavra de Imbondeiro)
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 0x02912805bb99922fbd79c7903bdbcf8eaa1ab6f8a054bb1cd7dfea17956140d6. 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/22kirzbqm5a2N3MDNQrvMw.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/22kirzbqm5a2N3MDNQrvMw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b829c1cd69d8871491084714232eb68ad467f1a1d56df844ea618e88614961. 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/7b8A78Gvlkh9TmDY55BDdv.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/7b8A78Gvlkh9TmDY55BDdv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x834d9499aeb2b58a93d72642665ded01f4a8c91de28b5396bcb1177caca13523. 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/6DDaV9VznsiKs0kdGtc5Xd.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/6DDaV9VznsiKs0kdGtc5Xd.
{"copyright_id":"0xf2fb2f0558dfe385f644be2eaa75809a16860ae797c92dc93d8dd8a75f86be2b","isrc":"BXSVC1902801","name":"Canta Sabiá","registered_at":"2026-06-05T17:27:56Z","spotify_id":"6wacEauGn1wWnqyi9sbLw8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2fb2f0558dfe385f644be2eaa75809a16860ae797c92dc93d8dd8a75f86be2b. 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/6wacEauGn1wWnqyi9sbLw8.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/6wacEauGn1wWnqyi9sbLw8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x057e677c48f594c5939760dd9016174fff77b697eb346490918abae340c8a178. 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/5DB53WM5Xq5XD8q6jZD7f2.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/5DB53WM5Xq5XD8q6jZD7f2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919491ec2c110fc01507f9257fb97a31e0cbfe3de3ece9c650253081d3f4e066. 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/6i12a6agMEGBMorXNFRrEL.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/6i12a6agMEGBMorXNFRrEL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80009c0bb183ed204d0a578291e5552ca6fbff24895f84ae5424c67211574bd8. 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/2qFTYowjTKIH3DDmpDIHfS.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/2qFTYowjTKIH3DDmpDIHfS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eab2c2fc4e2a4b330862ae6380e62d49167916e50925efd6828b4d60a8df05b. 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/2rcTkI3pw6E1x7fmMszoRY.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/2rcTkI3pw6E1x7fmMszoRY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b37d5569b321d272432881aeb87a83859ada8e8f2909447e7aa9283681bb7aa. 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/5nOxUkiXBzd4bPTiXRI9gi.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/5nOxUkiXBzd4bPTiXRI9gi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75f542415014b3ca19e71ea55d0579ad1be28d584e29f5d2037bc0357f40b3cd. 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/17OeCLaxdHZNM6LlPJ7Tu6.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/17OeCLaxdHZNM6LlPJ7Tu6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f6b7d62f9d6c5afb2baf17c52a5c0ef91b359319617bf2d512cd54abf14f5e. 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/5R66aYRgXrHg8LbxVQjQKD.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/5R66aYRgXrHg8LbxVQjQKD.
{"copyright_id":"0x055e779bee3674d30ffb3bc5e02abea0e4e903f571b8b11e1d0d8df65aa6cb5e","isrc":"BXSVC1902809","name":"Kyriê! Epa Babá...","registered_at":"2026-06-17T04:40:10Z","spotify_id":"5iFuOIp6Nk5vBzeDUFZ1uo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055e779bee3674d30ffb3bc5e02abea0e4e903f571b8b11e1d0d8df65aa6cb5e. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:33:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5iFuOIp6Nk5vBzeDUFZ1uo.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/5iFuOIp6Nk5vBzeDUFZ1uo.
Para Tentar Te Esquecer / Pantera Negra / Jogo de Engano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba362c1d6894cc55c2ce36bd0c6bbf96e7a1d70f95c9a75752f034d54fe50b66. 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/796kKyECifzkGZ0uMiRQKC.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/796kKyECifzkGZ0uMiRQKC.
{"copyright_id":"0x24807f9f82646e2e62a81e8ac7392daf80ef04c8ea567b2ed4404afc1017accf","isrc":"BXRI51900013","name":"Ponto para Preto Velho","registered_at":"2026-06-04T09:02:53Z","spotify_id":"23zxIAROPk51QFWkfRrh4V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24807f9f82646e2e62a81e8ac7392daf80ef04c8ea567b2ed4404afc1017accf. 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/23zxIAROPk51QFWkfRrh4V.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/23zxIAROPk51QFWkfRrh4V.
{"copyright_id":"0xe277ed02758d971079a5785bdb9a6fb89aa0af67cacb53e986ed463b23c1e67b","isrc":"BXQQ32000019","name":"Onde Estão as Borboletas","registered_at":"2026-06-19T18:01:54Z","spotify_id":"4LPl6NXk4zPZcvnOSII5RQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe277ed02758d971079a5785bdb9a6fb89aa0af67cacb53e986ed463b23c1e67b. 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/4LPl6NXk4zPZcvnOSII5RQ.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/4LPl6NXk4zPZcvnOSII5RQ.
{"copyright_id":"0xb37beb1f5caa28609f14937a0caa03bb241c0bae49f048bcaabbbfe1e919ed23","isrc":"BXQQ32000022","name":"Meu Caminhar","registered_at":"2026-06-19T18:01:34Z","spotify_id":"4Q4qKk1Z3jsgi0qGBjOYyI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb37beb1f5caa28609f14937a0caa03bb241c0bae49f048bcaabbbfe1e919ed23. 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/4Q4qKk1Z3jsgi0qGBjOYyI.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/4Q4qKk1Z3jsgi0qGBjOYyI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd67ad831a428263f96e40d0337824fa70eeb8d0917097889d7a93e6dc8081293. 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/1XQw2toFPSb9OnDW0NU9Wt.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/1XQw2toFPSb9OnDW0NU9Wt.
{"copyright_id":"0x7c34b840347355fce54746f24dcbcb1d97989a9f25b660b3d3ef3809f68f080e","isrc":"BRGPG1900028","name":"Oluwa Mi - Orixá Oxagiayan","registered_at":"2026-06-17T07:24:56Z","spotify_id":"6D5k1QNAsxbrCmwbISbJC1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c34b840347355fce54746f24dcbcb1d97989a9f25b660b3d3ef3809f68f080e. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:41:18Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6D5k1QNAsxbrCmwbISbJC1.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/6D5k1QNAsxbrCmwbISbJC1.