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 0xea0ea1624471b374df2a9d73f0980d20c5aecea7ea34080e1a526fd3bbd4721e. 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/74294515-bb37-48d6-9d87-b0eb250caed4.json and https://artists.proofprofile.net/proofs/artist/74294515-bb37-48d6-9d87-b0eb250caed4.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 0x601b1c345976dc587566e17984e58a5e6c58aef19757a0067c99bcd4d624d9fe. 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/0OHWbCbL3yaF0Zu0xPCYgt.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/0OHWbCbL3yaF0Zu0xPCYgt.
{"copyright_id":"0xc5066e30eb4c4bfdf4f0318a5ada965771cdde83d3db7f4142dba53f8aef6b9c","isrc":"BCZ582500218","name":"Evere Nezeya","registered_at":"2026-06-28T06:14:24Z","spotify_id":"4vXFpJ7kZjJcMjmtXlRK0t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5066e30eb4c4bfdf4f0318a5ada965771cdde83d3db7f4142dba53f8aef6b9c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vXFpJ7kZjJcMjmtXlRK0t.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/4vXFpJ7kZjJcMjmtXlRK0t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a299fd8c59c2e61263015e60aa64335a9f66c126be524bae7c940e89fa0e7e. 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/3zXqrBsbeUTpenrio9TO6k.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/3zXqrBsbeUTpenrio9TO6k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8be7d528258990ea8476f8ea21b5530a9c413ec6b31f7e44477310ec485b12. 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/7s9Kho6kvt8ZTYwSKBDfvM.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/7s9Kho6kvt8ZTYwSKBDfvM.
{"copyright_id":"0x39cd18e5a817ee24409d41708d69deeeb8e3f73021da4bc4b45ecd2277d0bb85","isrc":"QZNJW2518902","name":"To Sem Freio","registered_at":"2026-06-21T17:42:19Z","spotify_id":"2c0uuvpMkcv4hrz3eKsTBn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cd18e5a817ee24409d41708d69deeeb8e3f73021da4bc4b45ecd2277d0bb85. 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/2c0uuvpMkcv4hrz3eKsTBn.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/2c0uuvpMkcv4hrz3eKsTBn.
{"copyright_id":"0x6c6f4969318f05e054ec3d7d4fae3ad1180c28947cbb509d79beed8b1a4298ab","isrc":"BC3PG2501715","name":"Uh Uh Uh - Te Re Re","registered_at":"2026-06-07T11:34:51Z","spotify_id":"0C1GWykWMCL7uiFMvJcAVx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c6f4969318f05e054ec3d7d4fae3ad1180c28947cbb509d79beed8b1a4298ab. 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/0C1GWykWMCL7uiFMvJcAVx.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/0C1GWykWMCL7uiFMvJcAVx.
{"copyright_id":"0x87c321ba50dffb892a37249a6b47bfba88ea419c294f8900da6e3ced4157f8d3","isrc":"BC3PG2501296","name":"Vuco Vuco na Pepeca","registered_at":"2026-06-04T11:52:28Z","spotify_id":"1LuMGhr7NjmmbtVoODCcr6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87c321ba50dffb892a37249a6b47bfba88ea419c294f8900da6e3ced4157f8d3. 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/1LuMGhr7NjmmbtVoODCcr6.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/1LuMGhr7NjmmbtVoODCcr6.
Você Não Toma de Coca Cola o Que Eu Comi de Piranha
{"copyright_id":"0xc9e7d5d6c059f37dcabf24f30d1762898c9a49e37fa155deee17561030446a78","isrc":"BC3PG2501072","name":"Ta um Tal de Vuco Vuco","registered_at":"2026-06-09T14:30:23Z","spotify_id":"27fOYbIvYzzcitJyVWvG3p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e7d5d6c059f37dcabf24f30d1762898c9a49e37fa155deee17561030446a78. 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/27fOYbIvYzzcitJyVWvG3p.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/27fOYbIvYzzcitJyVWvG3p.
{"copyright_id":"0xb4de126c8784d594eacdc74bce3bb252f1ee160443b6f09cc0ff7c1094582b20","isrc":"BC3PG2501018","name":"Lá Vai Botadão","registered_at":"2026-06-19T07:07:00Z","spotify_id":"5WjdE4Ml6kUgWp17ShveEQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4de126c8784d594eacdc74bce3bb252f1ee160443b6f09cc0ff7c1094582b20. 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/5WjdE4Ml6kUgWp17ShveEQ.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/5WjdE4Ml6kUgWp17ShveEQ.
{"copyright_id":"0xf4a5e17079f87e59ba118d2d669ae9f6e62eacba7ac10e2a276ceee88b7871e4","isrc":"BCIH82404222","name":"Faz Silêncio Sapeca (Slowed)","registered_at":"2026-06-28T02:53:07Z","spotify_id":"3c3ocgSCJZA2NX6XowsTUE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a5e17079f87e59ba118d2d669ae9f6e62eacba7ac10e2a276ceee88b7871e4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3c3ocgSCJZA2NX6XowsTUE.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/3c3ocgSCJZA2NX6XowsTUE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27102012d6840285048acb5be419afef296e46edd3213cb44c385a6fb08a9f95. 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/2eI2oONr7Fl7Rjs7sa6sU4.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/2eI2oONr7Fl7Rjs7sa6sU4.
{"copyright_id":"0x5adc2728b2e8a99c5137c1f9414bc98fcfbac6a9df57243ea7605cf6e9b69a19","isrc":"BC3PG2500732","name":"Vem na Galopada","registered_at":"2026-06-20T06:36:38Z","spotify_id":"0qH80RMv8S3J6BwEjR9uEg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5adc2728b2e8a99c5137c1f9414bc98fcfbac6a9df57243ea7605cf6e9b69a19. 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/0qH80RMv8S3J6BwEjR9uEg.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/0qH80RMv8S3J6BwEjR9uEg.
{"copyright_id":"0xa98b51bcbcb707f9d980808488fc575e33c81764249fead619042608ef3efb92","isrc":"BC3PG2500410","name":"Vestido Decotado","registered_at":"2026-06-07T20:15:31Z","spotify_id":"1mzKVbKhao7vBxfVwKAtFc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98b51bcbcb707f9d980808488fc575e33c81764249fead619042608ef3efb92. 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/1mzKVbKhao7vBxfVwKAtFc.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/1mzKVbKhao7vBxfVwKAtFc.
{"copyright_id":"0x11cb01276474fc3afa595b97e6cb28107745dd4386f21ea1ab12c2d6d5857dbe","isrc":"BCIH82403779","name":"Vem de Perna Aberta","registered_at":"2026-06-10T03:58:28Z","spotify_id":"6go3W8CUbwjjhDphmiqFGs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11cb01276474fc3afa595b97e6cb28107745dd4386f21ea1ab12c2d6d5857dbe. 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/6go3W8CUbwjjhDphmiqFGs.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/6go3W8CUbwjjhDphmiqFGs.
{"copyright_id":"0x65c7815aab5db9ebda71ebbd0825596a4e0769487c823ce667003a72654dbec6","isrc":"BC3PG2404703","name":"Vem Cá Vem Cá Speed Up","registered_at":"2026-06-11T10:56:31Z","spotify_id":"1MQeUozjcs5X18zbpAxJT8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c7815aab5db9ebda71ebbd0825596a4e0769487c823ce667003a72654dbec6. 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/1MQeUozjcs5X18zbpAxJT8.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/1MQeUozjcs5X18zbpAxJT8.
{"copyright_id":"0x62ce35504693792ef7705b4b9256b9f6530e64289cf92b7abe92ca3e5f665dce","isrc":"BC3PG2404704","name":"Vem Cá Vem Cá Slow Down","registered_at":"2026-06-20T06:37:14Z","spotify_id":"54LSDzMskkWCmstlB5VCA1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ce35504693792ef7705b4b9256b9f6530e64289cf92b7abe92ca3e5f665dce. 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/54LSDzMskkWCmstlB5VCA1.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/54LSDzMskkWCmstlB5VCA1.
{"copyright_id":"0x6dc63dc2e92b8b5c3ff9e55693907dee7f3581ed55eb6f3ab0883a3088d8327d","isrc":"BC3PG2404645","name":"Fumadona de Skunk","registered_at":"2026-06-07T13:39:14Z","spotify_id":"5HqIjSRDeYcSPzBn8IpkTY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc63dc2e92b8b5c3ff9e55693907dee7f3581ed55eb6f3ab0883a3088d8327d. 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/5HqIjSRDeYcSPzBn8IpkTY.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/5HqIjSRDeYcSPzBn8IpkTY.
Automotivo - Encaixa Nela, Com a Parafal na Mão
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36591f77ecfa6487520c758de225683108413c5751a0b3bb3ac4ad9caf37c474. 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/4LBOjf67mq8Bpk9pCampac.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/4LBOjf67mq8Bpk9pCampac.
{"copyright_id":"0xedf15dc8eb07c722e8cf8fea5712364f7e951114e3de74abb4999856b622e116","isrc":"BC3PG2304911","name":"Montagem Tripolar","registered_at":"2026-06-09T17:57:15Z","spotify_id":"0SfM3dWVOaozab7o5GG7SF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedf15dc8eb07c722e8cf8fea5712364f7e951114e3de74abb4999856b622e116. 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/0SfM3dWVOaozab7o5GG7SF.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/0SfM3dWVOaozab7o5GG7SF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b3966000ed4066753146298f00fc6d6d38b1744440ca8af93a915645a9278b. 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/5Gu1Tk4vmMXtxAV0HMMQ3Y.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/5Gu1Tk4vmMXtxAV0HMMQ3Y.
{"copyright_id":"0xe544bb212b45cdf1b6e958e3c3ff43f958f75294830d4ae183cb5c90bcefa1ed","isrc":"US7VG2347130","name":"Fiu Fiu das Novinha Bdo","registered_at":"2026-06-05T12:41:45Z","spotify_id":"3JFKynuU6vPwhzlSOPs5Ty","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe544bb212b45cdf1b6e958e3c3ff43f958f75294830d4ae183cb5c90bcefa1ed. 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/3JFKynuU6vPwhzlSOPs5Ty.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/3JFKynuU6vPwhzlSOPs5Ty.
Vai Tomar Leitada Vs Toma Sequência de Pirocada
{"copyright_id":"0x11b3f7dd39340d05d09e7ef3412fe86a1a1677d49a280ffdc5289d3f61abf4c2","isrc":"BC3PG2402532","name":"Automotivo da Turbulencia","registered_at":"2026-06-19T22:53:01Z","spotify_id":"2sTYP8L0PNm3CtgKsj1gOF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b3f7dd39340d05d09e7ef3412fe86a1a1677d49a280ffdc5289d3f61abf4c2. 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/2sTYP8L0PNm3CtgKsj1gOF.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/2sTYP8L0PNm3CtgKsj1gOF.
Xerequinha Bate Forte (Bota a Mão no Chão)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x930a735f694a573af80b8b18035b5f87d2426656f2f4e6b23d23258ffc6f782e. 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/107NLdXYWBIwsQG2z5qzOI.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/107NLdXYWBIwsQG2z5qzOI.
{"copyright_id":"0xbe5fdbcd615385aedca78da8e9cffe8c98f911eea1fa1dad0927be9494ad5ab2","isrc":"QZW9L2362847","name":"Bosta Ritmada","registered_at":"2026-06-18T05:10:46Z","spotify_id":"3CkDZLBFWMhrHLcC7GKVv5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5fdbcd615385aedca78da8e9cffe8c98f911eea1fa1dad0927be9494ad5ab2. 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/3CkDZLBFWMhrHLcC7GKVv5.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/3CkDZLBFWMhrHLcC7GKVv5.