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 0x5704ff7560c7e5a30d568910875b0ed56a7294999b85e0e0c0e6c1e0c0f133bb. 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/9ebfcd14-10e0-4434-b130-7e98ea3d89b8.json and https://artists.proofprofile.net/proofs/artist/9ebfcd14-10e0-4434-b130-7e98ea3d89b8.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 0xc986978004bbeaa1aff2a7178e80353624ea2c6f81589aa7152cf6d872e81179. 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/BCXR82200027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c9b7efa5a7d9ea5b27e4e1d15d6f7a063f6a238da5a3757abf62e479747205. 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/BCXR82200023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad77d038197dd4459c7e16ca66c08da93acd4a570c61cc8bd2afdcc6c29eeb21. 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/BCXR82200025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eef0c590c664b90d2fc6a387d3e0fd86094735042d000c219049c1699e6b90b. 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/BCXR82200024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea4bbdc2e64055ba76cccab089c0734343ac910146a8102dccd4cf24ef180e4. 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/BCXR82200030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37498bd44f63d78abe079568eb375fcc73b614eeab33db12d00b9ec953c93b9. 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/BCXR82200020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4a8414c41f9bd9fcaf6b428cf128a9542a9d5763fe0282a4552bc1e32e79bb. 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/BCXR82200029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d81d3ef63e513be4300423a7f2f4ecf66a84c683ff4a762ea987a50ac83523. 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/BCXR82200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f598e57c2096b8e6ed75dbbdaea3f16ae33472bb1c34b5c37113adbb5fe35ea. 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/BCXR82200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e06e6d148012ad7e5434155e2898656111dcbcd02abeb8c71db592d35c90d92. 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/BCXR82200026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ea15bef213815911f69c1b88f247aa953a80ab47321209305765da4f37d788. 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/BCXR82200017.
Separa Namora/Tá Namorando E Me Querendo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x022348790530b673806cda9e77017bbeb85f2827a0d91d342b6502064e7ba8da. 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/BCXR82200028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586abce1c4019a8cd3bd8ca2708cc7f2f7bcb9bdcdbab6caf524f408b59399da. 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/BCXR82200018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1bb548a1c64d0e7343f0127d7c2e94a39a629bee2299b76429ff83a91ee5924. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T17:49:16Z), 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/BCXR82200021.
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
Tem Nada a Ver / Te Cuida Coração - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x248c48dcd590c7d92ea30859dd0c0f63bdf7a4edf2c479cc25e556695a014046. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZW9L2211847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f0a474651472ef485873d1fd61091644166da10d6bd3c3e9930c6d96a6cd70. 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/QZW9L2211850.
As Águas do São Francisco / Fuscão Preto / Arapuca - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da0f54c3fdb6f430b1b493068d7c47f51628d0c0e4f217a1c1931f88619cf54. 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/QZW9L2211849.
Tem Que Ser Você / A Hora É Agora - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4092da740e3085fd9c7b5052b00a958c7a3fc4b0d8d94f75b620d9b6434d390. 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/QZW9L2211854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb9ff870a3efb6ba42259673d192b30074921bd6eb1c728b58df7f38905d4d0. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZW9L2211848.
Que Dure pra Sempre / Frente a Frente - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x869e0f2ed0bd89105f9911fbbc1f37e52c82bda9ddbff718fa431615b778e59f. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZW9L2211851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd74879125e5890e59b21d5975d81aad01733932054c524c2e754eafe263550a1. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/QZW9L2211853.
Pense em Mim / Eu Sei (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dca81f0a4e606171552a8e1c8cc0f708947acdbeb83db1936bac30e0b653678. 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/QZGLM2029433.
Paixão de Peão / Eu Vou Beber Veneno / Bebo pra Carai (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3bbcb6bd934349f09c6e356cc5a85ec273dd045573842c77c8a4d104c8396fb. 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/QZGLM2029434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241dd26f2d31aa3c3fac9f291bf1aaed3ecf8290327e7eefdf4367da895818ef. 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/QZGLM2029436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e9c0b525bd0e98384c3a9ae88c8e64d595eb91a45be58407bd308e5e5afc85b. 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/QZGLM2029439.
Vê Se Toma Juízo / Credêncial / Eu Dou a Cara pra Bater (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf71ec0a8f0d980148ac22c5e83a4d670bc2378318f0e24fdccc9e227539f4509. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QZGLM2029443.
Espuma da Cerveja / Amor Clandestino / Só Lembranças (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aba3df886710ccf2d2de528886c84ca67b36c6f2654992c0755b9fcdb58a454. 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/QZGLM2029445.
Porta Retrato / Tá no Meu Coração (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabae04f1887ec06f0def6bc9faef562f27193bf916134bd7a41c9ee3fbf574ff. 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/QZGLM2029446.
Morto de Saudade Sua / Como Vai Você (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c15d39804373daaf15ab629d3ac5bedec73c8602ed041c6211fdb20417b8cd. 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/QZGLM2029448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085f8611d656630a1f3ff2d7914826db45c1dc56ae87c9ffc2959452816eb0c2. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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/QZGLM2029427.
Ligação Urbana / Trânsito Parado (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7601d69e977766f75768aee40fa30776662575b8a11a7d39d757661fc8aa445. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/QZGLM2029430.
Cowboy Vagabundo / Não Precisa / Granfino e o Caipira (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82ced7353e10bf1d75ef5b3d5a695bf079b1725696f00340110d5f164ad70653. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZGLM2029431.
Pra Lá de Bagdá / Parece Castigo / Beijo Me Liga (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e00f64d5e76fdbf4187343830ee424013af8fc9e82a3dcaf531522e11890430. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QZGLM2029437.
Só Falta Você / Amor Covarde (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5850bbc530f8585ca1b8f68d82b82d354f382a09eef0b4d2529f85ace4195f7. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/QZGLM2029440.
Penumbra / O Que Tiver Que Vir Virá (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5cc6aad62d390e06782b126f312bfcce6e3295f608200199f390526e467a9d. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/QZGLM2029442.
Sem Direção / Eu Mereço / Alguém (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a504ed92ce637daeabfd4edc88d39afb97099a328d96f66387fbf995dfa670b. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/QZGLM2029444.
Versos Simples / Desenho de Deus / Gostava Tanto de Você - Você (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad465a0a6b577e41a0f3b31050981e6598c4f147281b29a1881eaa874f553f99. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZGLM2029447.
Não Acredito / Mal Acostumado (Ao Vivo) - Acústico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41c8cad5285f95b67ae3dee915139df7fa6224fff82eeca46105cfabaf9a81f. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/QZGLM2029449.