1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x7de2078b0b141f208e2762b29ae1409eb21d31b54699ceb9678a14a5f840cc00. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d17b6b5-47f0-4e3e-a18d-93d50c3d8972.json and https://artists.proofprofile.net/proofs/artist/5d17b6b5-47f0-4e3e-a18d-93d50c3d8972.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59563807b15af44331bdafa934448592732bafa294dc5b160b18ec6a3357fdeb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX8OZ2400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1de919d54d781f515c39322b60507ff644e8f9e1896f3e1edf949c0d125639ab. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMZ92494195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab3679d0998c6fa8c8146043f21e439a1f398f3e8c1af5b90a8c4cb203d4d61. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2480862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0411147b37140ffc1154b0e96d309471c9e7114ee26ce528b8783b5f79652bf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJZ2366329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bfc77588b5e2c403ecde42db97cff3be55d72219a53beba56a2896c16d14f6f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJY2312492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b05f0333cc6162b567d31713169de96b780acf2e48aba77579538b4d2d09e41. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2355755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6024e4349732d2682a66c44e3020797414a1063452302a1f9ecbaa7e4702b18d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2318643.
Nam Nam Não (Veja Só no Que Deu) [Ao Vivo]
Nam Nam Não (Veja Só no Que Deu) - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41944cf2080e9e7f737efc61bf30c7b299271ea0475cfe2e255a61d18df4e03c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2317323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73fc0554d002ec3445b4e19ea4e15d304e045655ad2d0e1c37f011947c3b1632. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2364487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eef9fd8f2083dba7759e36d673ad99ac4f23b545be2397c00969e91812deb87. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2372901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e75cac6fc6df5e194a56afb727313e65f9c40d26e86c71659c856dc13e03ae. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX8OZ2200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38572202bbef48a530b175be543bc333ec35a5c51a5a11da1768dc90621257f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX8OZ2200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf9d371520778aabb6ee0c971c05cb574fa2c8c9970e27c3bb48b31fcf68dc84. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2355751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe78ceea7fac70920d068f770858c131b84644d2891363e24f8bf6df1f2953faf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2355749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1435248f49ba9e7bf2df883efd71557cb52f75af1493ce3a725a348e70a98acd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2355763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4171dbb38ed538255e303e0aab73106f61f7bdbcb63cb3ce442b4c1f6391bea7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2355759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e96588832cd6db3903ffb2e4d2d72bfe53badfaa4f32bb571f8c79b7b6f6d6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR40G1900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83fd7cb0127624da578d25289ffde9029854580bb94cadf6d8b26d29634d9d0a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2333081.
Morena / Capricha Gaiteiro / Tranco Veio Fandangueiro / Floreando a Cordeona / Criado em Galpão / Fandangueiro / Camionete Branca. (Ao Vivo)
Me Chama no Fole / Porque Que Não Me Quis / Chora Gaita / Nossa Vaneira / Ca no Fim do Mundo / Tranco da Morena Rosa / Bombacha Preta / É Sábado Dia (Ao Vivo)
Fundo da Grota / Não Chora Minha China Véia / Bailanta do Tiburcio / Vaneirinha da Saudade (Ao Vivo)
Fundo da Grota / Não Chora Minha China Véia / Bailanta do Tiburcio / Vaneirinha da Saudade - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eb73c1b2b4aea90de7124abcd7e9b395a21e55b46c98393fec14f4353427367. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2322500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13733ccd309248c4feb145e8b38427700de3874fb7a94a4cd7cd8fb7a25586a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX40G1900024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa651921ecc96015cced03bc2da2acc95d77f5bf9f127164078ece5345eb44f4d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2322460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0610bf482f513c81511dd1ca5e02b69ca428f3b0f0c8ca6bbcf945c4858657e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2355757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9967444d29d588a8d47821c91ed2df753eec493f8a908fa7ab1b2cd650ed85db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX40G1900020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06fe78be466d19aa69dd96f8754ffad704703a187b204d5bc6f0780f38c70341. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUMEV2536234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda6a2e6f3b7556990c46939cfdd1447947e0d11d10b9c67c18db3e9232d73580. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2545686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe43231492e1d210222763a6295e980f7dd5a0e1baf910d4f3f3a3a13ef0193ca. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BKINW2400043.