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 0x9daffc7a728d76a79739d3754a29b8138678b9e1ff1050ede98896e38e738a81. 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/73794d14-409b-40e1-9776-c9ca7cae68c4.json and https://artists.proofprofile.net/proofs/artist/73794d14-409b-40e1-9776-c9ca7cae68c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc50d929fac9fd4886ee400b5698cf435b228de6e3f4fc6f67348209869db57b9","isrc":"QZNJY2401618","name":"Dentro do Jeep do Novo","registered_at":"2026-06-27T01:43:34Z","spotify_id":"4toRhkzHq9lSdblGbkqiko","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 0xc50d929fac9fd4886ee400b5698cf435b228de6e3f4fc6f67348209869db57b9. 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/4toRhkzHq9lSdblGbkqiko.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/4toRhkzHq9lSdblGbkqiko.
{"copyright_id":"0xb3b7f9005528c66174a696cae70f931b5996b97363034f90ca3e7a66b7f8ca5c","isrc":"QZNJX2437985","name":"Carteira Assinada C-L-T","registered_at":"2026-06-09T17:33:17Z","spotify_id":"0VByumkltvaz4iQT48wRPk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3b7f9005528c66174a696cae70f931b5996b97363034f90ca3e7a66b7f8ca5c. 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/0VByumkltvaz4iQT48wRPk.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/0VByumkltvaz4iQT48wRPk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79501ab97467b932534332e7b296b71b4249d3050994ae4859d2521fb12a0cd. 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/5F4VhP5xo43O9AmKd1Y260.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/5F4VhP5xo43O9AmKd1Y260.
{"copyright_id":"0x56c28c1ff8a4b18ca460129cbc14522d6b91c31b33422e0e2fde5a8d1944d0b9","isrc":"BKDP52400048","name":"Eu Não Quero as do Job X Desempregadas","registered_at":"2026-06-25T19:56:06Z","spotify_id":"58aq7GblzLeZckwq2guOrG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c28c1ff8a4b18ca460129cbc14522d6b91c31b33422e0e2fde5a8d1944d0b9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58aq7GblzLeZckwq2guOrG.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/58aq7GblzLeZckwq2guOrG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef85424d16f8f58264f767140720df9cf4766f003fd5da852297fde4903f7034. 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/73mu8qEqTlRY3UoJeQWSm2.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/73mu8qEqTlRY3UoJeQWSm2.
Vapo Vapo Vuk Vuk Trepa Trepa no Escurinho
{"copyright_id":"0x671031d9311ea4c9c146e104447ab3eace139cc4ca9963dd6945d329f2762bee","isrc":"QZNJW2435988","name":"Vapo Vapo Vuk Vuk Trepa Trepa no Escurinho","registered_at":"2026-06-26T17:27:20Z","spotify_id":"4OB1NsKqd5RDPEYpUEgf42","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671031d9311ea4c9c146e104447ab3eace139cc4ca9963dd6945d329f2762bee. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4OB1NsKqd5RDPEYpUEgf42.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/4OB1NsKqd5RDPEYpUEgf42.
{"copyright_id":"0x67c57bce5de6e87868d399b80b443307344c6aee9d28f0c133ce3f0f2d978781","isrc":"QZGLS2433454","name":"Pilota e Vende Rifa","registered_at":"2026-06-27T01:41:05Z","spotify_id":"76VxCeyaxiSyf3uobNjcAs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c57bce5de6e87868d399b80b443307344c6aee9d28f0c133ce3f0f2d978781. 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/76VxCeyaxiSyf3uobNjcAs.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/76VxCeyaxiSyf3uobNjcAs.
{"copyright_id":"0x2fc8bd35c8bfd880abbc223bc3d031082ded946990cb5987a798e5e5db043d28","isrc":"BKGC62400004","name":"Pó do Salgueiro","registered_at":"2026-06-09T17:39:20Z","spotify_id":"5kT0A8LPEI0yUDoyEFct9V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc8bd35c8bfd880abbc223bc3d031082ded946990cb5987a798e5e5db043d28. 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/5kT0A8LPEI0yUDoyEFct9V.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/5kT0A8LPEI0yUDoyEFct9V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x501450e91ecf737a206d1e37005aa7efd6045a40aa606567ec30257b10464075. 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/2Qr834ypnPfy6evdKIsCzf.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/2Qr834ypnPfy6evdKIsCzf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ae13249fdae16e41e06e99e23381c090d47ccd60c13f599504ceac4ecf9527. 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/06A9K7oSdRRhxORse6rwV9.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/06A9K7oSdRRhxORse6rwV9.
{"copyright_id":"0xdd3cdc428c416dad4b3b8041aa6855c5f65e6dd40425c9a23c67b293b6994112","isrc":"QZNJZ2175506","name":"Fode Gostoso Comigo","registered_at":"2026-06-11T09:54:09Z","spotify_id":"7sRgWgpi7qOFVl6ek4K3MS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd3cdc428c416dad4b3b8041aa6855c5f65e6dd40425c9a23c67b293b6994112. 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/7sRgWgpi7qOFVl6ek4K3MS.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/7sRgWgpi7qOFVl6ek4K3MS.
{"copyright_id":"0xdcbd387b0afea968f6fbceea704984e9be615e278b03c501aa6538f30b8db2b8","isrc":"AUMEV2532698","name":"SEGURA NA CORDA DO CARANGUEJO","registered_at":"2026-06-27T02:29:53Z","spotify_id":"3a0IQ11E3hAfLsPZvsOtQn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcbd387b0afea968f6fbceea704984e9be615e278b03c501aa6538f30b8db2b8. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3a0IQ11E3hAfLsPZvsOtQn.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/3a0IQ11E3hAfLsPZvsOtQn.
MODO BIA MIRANDA x EU CATUCANDO ELA GEMENDO
{"copyright_id":"0x9bb649b0b17bcbb8a313f8a688e948418ea562d30834e437d26651ff9343818a","isrc":"AUMEV2519356","name":"MODO BIA MIRANDA x EU CATUCANDO ELA GEMENDO","registered_at":"2026-06-22T00:45:48Z","spotify_id":"71uUMJTnkmpJ3WC0axM10T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bb649b0b17bcbb8a313f8a688e948418ea562d30834e437d26651ff9343818a. 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/71uUMJTnkmpJ3WC0axM10T.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/71uUMJTnkmpJ3WC0axM10T.
{"copyright_id":"0xa1e8b40dfc7e9fdd593b82b43d1d8f5d69def344f9c67a290191928d57849666","isrc":"AUGBT2490799","name":"SEQUÊNCIA DAS ANTIGAS 2","registered_at":"2026-06-20T06:12:32Z","spotify_id":"62vEV7WaCMRVAvekjRo5Dh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1e8b40dfc7e9fdd593b82b43d1d8f5d69def344f9c67a290191928d57849666. 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/62vEV7WaCMRVAvekjRo5Dh.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/62vEV7WaCMRVAvekjRo5Dh.
{"copyright_id":"0x20a880da1d2c66608ce049b4893faf055f8ddd7dfc4cafc50780a9ae5f73cc42","isrc":"AUGBT2458876","name":"A BARREIRA É O MUNDO","registered_at":"2026-06-21T02:23:15Z","spotify_id":"4NhUvd2yEw7s1vxSw4QtxA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a880da1d2c66608ce049b4893faf055f8ddd7dfc4cafc50780a9ae5f73cc42. 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/4NhUvd2yEw7s1vxSw4QtxA.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/4NhUvd2yEw7s1vxSw4QtxA.
Quem vem Puxando o Bonde é os Mlqs do Martins vs 155
{"copyright_id":"0xb9fa786dcf58df3950dc1b88bbdfc9a350d157eebc941eca24819562ec020ff7","isrc":"QZTPX2455210","name":"Mais um Gol do LH","registered_at":"2026-06-22T00:44:19Z","spotify_id":"1qDGHGuHBoZgfm4GnLRlDz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9fa786dcf58df3950dc1b88bbdfc9a350d157eebc941eca24819562ec020ff7. 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/1qDGHGuHBoZgfm4GnLRlDz.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/1qDGHGuHBoZgfm4GnLRlDz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa905913514497d120f01650f54a630e384318834fc505a53492894893ac314dd. 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/1iuN0vjnhg71hKyb0tyFQj.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/1iuN0vjnhg71hKyb0tyFQj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x047d0ad7ca72e683eaaca9005d58c665b259bd46599db1c2802029e620f6a9c6. 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/2nMPFtYE86rJ81L1JFqavj.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/2nMPFtYE86rJ81L1JFqavj.