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 0x67c10382944968cd2a194590858a9af6d1e6952521277ffdbec7dfd9b9939cd2. 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/65af9c0d-2cc7-4669-ab9e-91381f2bc226.json and https://artists.proofprofile.net/proofs/artist/65af9c0d-2cc7-4669-ab9e-91381f2bc226.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Original MTK #1 - Exceção (feat. Lucas Muto, Crod, Lipe, Tasdan, Lobo & Agatha)
{"copyright_id":"0x9c49199dd0cc8c21a159ce9d3a5cfc7250bf24e401289b9a6960486511de6a14","isrc":"BX3U81900014","name":"Original MTK #1 - Exceção (feat. Lucas Muto, Crod, Lipe, Tasdan, Lobo & Agatha)","registered_at":"2026-06-06T17:56:39Z","spotify_id":"5Ky24wADRhq0vRc3vqUbIj","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 0x9c49199dd0cc8c21a159ce9d3a5cfc7250bf24e401289b9a6960486511de6a14. 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/5Ky24wADRhq0vRc3vqUbIj.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/5Ky24wADRhq0vRc3vqUbIj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb07e07c04a54e3b151abc0cef078d83075631eaaa68fc089157f961fdfdc2d7f. 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/37I2kAE7QRxd9WCax1Z9dE.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/37I2kAE7QRxd9WCax1Z9dE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5cc071162d9963ab457e4f4466120a89438c346a2bb8b3be71fa807f17bbc1d. 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/2mIIp9Q2JMk7lt37sPM6Vn.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/2mIIp9Q2JMk7lt37sPM6Vn.
{"copyright_id":"0xed878678f27ab54f51fe97d3383be83b8bbf92d20f3de9ca41f2dcec36b8c477","isrc":"BXZIQ2200003","name":"Bom Dia, Amor - Versão Pagode","registered_at":"2026-06-24T20:42:33Z","spotify_id":"4bcl9qdjy7r9JFKOBzUY9w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed878678f27ab54f51fe97d3383be83b8bbf92d20f3de9ca41f2dcec36b8c477. 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/4bcl9qdjy7r9JFKOBzUY9w.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/4bcl9qdjy7r9JFKOBzUY9w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006d643d232b095880c7f31d24ce51094759b46c47248e4a34b6f8f76887238e. 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/5r0wvFWNNmhDKx4vj4Z62J.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/5r0wvFWNNmhDKx4vj4Z62J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96036c76930fe6af398b5822833c6d43e6fef67370840de7dc2f0ed4669c17df. 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/0vm85sZOBAlTgJgjG79ayQ.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/0vm85sZOBAlTgJgjG79ayQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b315dccedbdc5662176a659a11806f698bc9a1036a50b02fe3d26266a6f8253. 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/43fxMNRsFOroRjU8rs2c9a.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/43fxMNRsFOroRjU8rs2c9a.
{"copyright_id":"0xa41395b9cc612900aa4d50e2a491f29b44abc4a37a6b48d715c34e3dbfc7fd0c","isrc":"BC0VJ2200007","name":"Bom Dia, Amor","registered_at":"2026-06-08T05:31:22Z","spotify_id":"4arzARSTG54PYAUiAs44jQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41395b9cc612900aa4d50e2a491f29b44abc4a37a6b48d715c34e3dbfc7fd0c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4arzARSTG54PYAUiAs44jQ.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/4arzARSTG54PYAUiAs44jQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a408919c073f20ed6d1aeb56a0b39c026ee6334fc44fac2f010662516219233. 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/0xFKOIA8dmnCKFGBNekuiC.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/0xFKOIA8dmnCKFGBNekuiC.
{"copyright_id":"0xa41395b9cc612900aa4d50e2a491f29b44abc4a37a6b48d715c34e3dbfc7fd0c","isrc":"BC0VJ2200007","name":"Bom Dia, Amor","registered_at":"2026-06-08T05:31:22Z","spotify_id":"1tF3aRmgGqWOGaRrgIKDKx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41395b9cc612900aa4d50e2a491f29b44abc4a37a6b48d715c34e3dbfc7fd0c. 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/1tF3aRmgGqWOGaRrgIKDKx.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/1tF3aRmgGqWOGaRrgIKDKx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4053aed33504946d4185e657b5eb440b9ccdcb043147606db6390cbaae04e8d7. 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/7bsVyxCqNZU0Vk0BkFhfFj.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/7bsVyxCqNZU0Vk0BkFhfFj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15ec0128ff692b68c63ce6c16e23e3d3048610842060d3ba43b96530b02dc0b7. 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/4GvMezy9QsvAfNfkazPdyy.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/4GvMezy9QsvAfNfkazPdyy.
{"copyright_id":"0x69472cb890a05be8e168d0eac2cc56afed7b27ceba56c206e08e5eaca370f63c","isrc":"BXZIQ2100002","name":"Persisti - Passada de Jogador Caro","registered_at":"2026-06-19T16:41:31Z","spotify_id":"1CGC8mVGSSjmNsdxEmV5QX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69472cb890a05be8e168d0eac2cc56afed7b27ceba56c206e08e5eaca370f63c. 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/1CGC8mVGSSjmNsdxEmV5QX.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/1CGC8mVGSSjmNsdxEmV5QX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45cdae959e47cbdbd41328b60d89cae36a3f12aea12d7f68d6ee3e2d319944e. 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/6cRfYQIHjj8gqhLRXz540E.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/6cRfYQIHjj8gqhLRXz540E.
{"copyright_id":"0xf9720aaa38836b9bc373c54e9a0efc4ad5b3a8a9853ad12e259d7de8fd5eaf41","isrc":"BXZIQ2100001","name":"Mais Além","registered_at":"2026-06-07T21:53:58Z","spotify_id":"4usWhbl28jDY4RhZf3oJea","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9720aaa38836b9bc373c54e9a0efc4ad5b3a8a9853ad12e259d7de8fd5eaf41. 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/4usWhbl28jDY4RhZf3oJea.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/4usWhbl28jDY4RhZf3oJea.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20546bc65471a2d9a47e2762d3c9403894bd2d9ca50f3673000053913e9b1d27. 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/1RvxpioT5EdgIVqKArgDT1.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/1RvxpioT5EdgIVqKArgDT1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7209324bd96836f030aa41d56adb80f6c0ba88e0a97b9b107913debda23b26eb. 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/62lJGlAuqW9rpmyjdizRzc.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/62lJGlAuqW9rpmyjdizRzc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376876f48524a83775ad203159a1770acfa63ac53f0970b727de9ae5c9e185eb. 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/7uCDOfMbF19nVEbEyKnSCI.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/7uCDOfMbF19nVEbEyKnSCI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddff322ed136d836fe9dc47745bed0460fc80994c787e9885a4a47461f941cd1. 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/47Smhq1Cs1Tz521zbeycMr.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/47Smhq1Cs1Tz521zbeycMr.
{"copyright_id":"0x0d5c386be168efbfbec2ceff0c2379bf85e5cb1bd716c6a68b5404ddbbf244da","isrc":"TCAEC1914259","name":"À Beça","registered_at":"2026-06-27T14:31:47Z","spotify_id":"1GBRqA9OKcal7lML4j5jXK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5c386be168efbfbec2ceff0c2379bf85e5cb1bd716c6a68b5404ddbbf244da. 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/1GBRqA9OKcal7lML4j5jXK.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/1GBRqA9OKcal7lML4j5jXK.
{"copyright_id":"0x62fe7c1aee63f7d0cbcaa515e00e524de5df66f0ee5033f99d0b3d64d95aeab5","isrc":"TCADY1884367","name":"Sou Teu Fã (Acústico)","registered_at":"2026-06-08T03:30:49Z","spotify_id":"747dzQKn3jb4Wx051kyiP0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fe7c1aee63f7d0cbcaa515e00e524de5df66f0ee5033f99d0b3d64d95aeab5. 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/747dzQKn3jb4Wx051kyiP0.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/747dzQKn3jb4Wx051kyiP0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0acdf7bd7ba82241b9dabe6a27e63ba80562754478371804ed05f3f11f687a84. 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/36YPq0Fp6XkqU3FcOhowOK.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/36YPq0Fp6XkqU3FcOhowOK.
{"copyright_id":"0xf76c8bececddb5ed89345f22acc0c644dd96cb8c8593561844bd415ca839e972","isrc":"BXZIQ2500001","name":"BAFAFÁ - Ao Vivo","registered_at":"2026-06-27T14:31:09Z","spotify_id":"1MhD2yKZT3PAKP9zuxBxMX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf76c8bececddb5ed89345f22acc0c644dd96cb8c8593561844bd415ca839e972. 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/1MhD2yKZT3PAKP9zuxBxMX.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/1MhD2yKZT3PAKP9zuxBxMX.
Dividido / Eu Nunca Amei Assim / Perfume - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5326fc0e541f07243fec06f8374752f48c596197f848efddd0e79223cd0f9f. 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/4RW45wP8JlQTk0LkZ9AuIa.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/4RW45wP8JlQTk0LkZ9AuIa.
{"copyright_id":"0x3eeeaaa517ef20cfe9ce52c4779b2146ac8901f66f90c367e35ef36da0082fa4","isrc":"BRSME1903417","name":"Relógio Parado (Ao Vivo)","registered_at":"2026-06-05T11:11:55Z","spotify_id":"6zHxf038KDDHpKdE6POcuD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eeeaaa517ef20cfe9ce52c4779b2146ac8901f66f90c367e35ef36da0082fa4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zHxf038KDDHpKdE6POcuD.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/6zHxf038KDDHpKdE6POcuD.
{"copyright_id":"0xa9cd5af1f9265770f60b3f6bfbae2d89be42b2df827061b3a9e19c85859f6182","isrc":"BRSME2003645","name":"Cuidado Que Eu Te Supero","registered_at":"2026-06-04T08:43:39Z","spotify_id":"3qMoHyZmFjqv1RBERmiJed","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9cd5af1f9265770f60b3f6bfbae2d89be42b2df827061b3a9e19c85859f6182. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qMoHyZmFjqv1RBERmiJed.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/3qMoHyZmFjqv1RBERmiJed.