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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87db163321b702f559e1081504f6783079d76d52a08bc6f94b40cf03e8756818. 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/1a6a186b-e813-4d05-8915-53302d774b3c.json and https://artists.proofprofile.net/proofs/artist/1a6a186b-e813-4d05-8915-53302d774b3c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
À Sua Maneira / Mina do Condomínio / Bang / This Love - Live
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505309f2cf195d7b1d7fbe6075b48a1a508b5e5046b3f456c178d77607ae515e. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/BRKS61700051.
Cold Water / Shape Of You / Te Assumi pro Brasil - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc1ca3d2536813f9507ad54e17dd6ca2607195666926078db1178480cdc83f1. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/BRKS61700050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d3f6a78445c105cb00e5db695dfc114f97f760d973253c516c45edb5957c35. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/BXDIS1700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bb690638cc9e459e4ab4894dcfb2bcf1bcebb6bd6937e65936c96a2c30fe9aa. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/BXH311800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4f80f15f4f426bb38aaa1e356bb0dbd4e22e3f2323fadd6d6d2b42faf0f406. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/BRYBW2100003.
Felices Los Cuatro / Represent Cuba / Corazón Partío / Gasolina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2114ae8d8fd7eba199923bbb51056a87ece92c024c561daf0747af27432f27f7. Chain 2 (Bitcoin): anchored in block 958689 (2026-07-19T07:11:11Z), 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/BRYBW2100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ea61913562469053115337580ac2dd0a7524dda8f5c71db78a8255388e8ae3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BRYBW2100025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff376f54e8e331fd5d5e00c9124426fde9d06ce5a9dfb907dbda3f1482665cd. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BRYBW2100023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa7a806b78fc35c8d280a3040f2c6716a3bdf8892098076f5ca0818205c1b765. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/BRYBW2100024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96fbeab66b920d7d8b7b96cd456bd479a043efcc221b30e3cfffc7003b31843e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BRYBW2200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0309823ef0f19527a6c2a72e7d0af1294598838024b2bd5fdbc9d121776e12a9. 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/BX0WG2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9419a5873f13ed4d9aeeb99cf424ab348ea47b7b6e24e651d2b2a2190058502a. 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/BRYBW2400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fa096b96969f0128e3ef45c9f37ddd77fa10f2d1d3fbf0b9d55538e3c3cf50. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), 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/BXLVT2400025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e13d31120bfc1daa5d9975d8dd419cd8cab572c66f10e3ca55ae1101227bb4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/BRYBW2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fa096b96969f0128e3ef45c9f37ddd77fa10f2d1d3fbf0b9d55538e3c3cf50. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/BXLVT2400025.
Medley Brasilidades: Anunciação / Várias Queixas / Me Abraça
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a9dec34450cd547c1dd54cbd11247ad8fa57bcbb515fe1ec99ae7405134d39. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/BRYBW2400028.
Medley Sandy & Jr: Quando Você Passa / No Fundo do Coração / As Quatro Estações / A Lenda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7790496036790dddf5b94ede25901add853b24810b504b4cb5c49d9bbbca908a. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/BRYBW2400026.
Medley Magia: Ela Me Falou Que Quer Rave / Jonathan 2 / Pumped Up Kicks / Isso Que É Vida / Beautiful Girls / Don't Matter / Meteoro / A Gente Fez Amor / Waka Waka
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49486f3421501c6b34a9f82ba872f3910d2719078854899fd85d9cc43f0b932. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/BRYBW2400036.