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 0x2412115b52d52ad7e19ef0f2050fc82961cf720896a028e0f0653a99eaf35690. 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/fef8f98e-ed4d-464c-a0ea-73532a409552.json and https://artists.proofprofile.net/proofs/artist/fef8f98e-ed4d-464c-a0ea-73532a409552.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vamos Festejar / Controlar Sua Tensão / Forró em São Miguel
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 0x07bbde373e0a37b7b618c23f8b82151719332fef3a1a537ce918d3f5a025c835. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHZ52232298.
Quanto Mais Nordestino Sou, Mais Orgulho Eu Tenho de Ser - Luar do Sertão 2015
Para uns, Bandidos Sanguinários. Para Outros, Heróis Justiceiros. Para Luar, História. Os Reis do Sol!
A Fé Que nos Une, É a Fé Que nos Move - Luar do Sertão 2014
Isso Aqui Tá Bom Demais / Pagode Russo / Olha pro Céu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6d6f5205ffa45c84400ef17c0b88e94e463e6bb71407c9f9c13c192e5e1c2e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZHZ62206044.
Case- Se Comigo Numa Noite de Luar - Luar do Sertão 2013
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d371648ea08423a29b926cd58c4582fcc215eff764110e2a9929a868175411c. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZHZ62217797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce9b5f08328eae2448138db7fc0bf9300520a62bcf4da35254d9840a6b7d19ae. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/QZHZ62217800.
Isso É Lá Com Santo Antônio - Luar do Sertão 2018
Uma Noite de Luar na Terra do Sol Nascente - Luar do Sertão 2009
Estrelas Vão Brilhar Iluminando o Céu e os Anjos Vão Cantar Numa Noite de Luar - Luar do Sertão 2011
São João Tá Diferente - Luar do Sertão 2005
Cangaço - Candeeiro Encantado / Dona da Minha Cabeça / Xaxado da Paraíba
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd33f417a1e4d86349f342bfbff6ea29cbe5fbd950546eae4ec293999ae7b7308. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZMZ92274687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d9bc53611e5130982572d3d76377fc01160f6d37450aa2a6846ac00d56fb74a. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNJV2358636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeedf582fe378802b0b08e2703f4dfe621580584fd3be45e67d5db1fbd28f80ae. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/QZNJV2358646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6314fec06cf5854a262367742bb329a72e69ef74ef2c068c289d4d13f2b8feb. 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/QZNJV2358647.
⁠Baile dos Mascarados - Que Força É Essa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec2a4c68c52a655d9b22800ea82c159d7ad6de93188cf146e9f326772f2aa17. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/QZNJW2457043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ce1718035d47b23670a9521c3eab0b319641cdf57c422567c7c047a2b51396. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZNJW2457045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1ee22e13b4e53be92eebdb8659955186f6e9e3b242866a25a1c42349b40456. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZW9K2499862.
Saramandaia: Pegar Fogo / Um Amor Numa Fogueira
Saramandaia: Bem-Vindos a Bole Bole ''Citação Dança do Bole Bole''
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9a104fe3b604eaa9c41e7eccb691dcbd880f72f29eea3fda77791bb5c6b8fc5. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZGLS2544793.
Bem-Vindos a Bole Bole ''Citação Dança do Bole Bole''
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a24f69af664326ab06f9e13c0e04e3336efcf048b1bf4ee633fc99195b0bf2b. 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/QZNJW2528747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd925947d741cd1619b35b51daa9334c74706981a2b1978841a59963beb506c53. 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/QZNJW2528748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x030df52a888e9f5d83cc3e943c8120db81ebb9a7c046539221a92eccb2156fb0. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/QZNJW2528749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7a4b0c56b17eecf4733fdedf6a3d862272a0015a719702e4f5d73e4b7cf94c. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/QZNJW2528750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56ba54ffcee4270bdeb27250a0200f81c2ef6b27c1c1a8749de14c3028c3ae28. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QZNJW2528751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc3edc99d16b6c5704f8d20285c18ce3f1e29cbd09f1527c7fda82c31853b7c. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/QZNJW2528752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x112d6672ba895cfe5fe9f328d31a8fefa2676f496704bbe0146adbf826852027. 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/QZNJW2528754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dcd5ed199368eaa307496b50b5c0445d231429d8c313ad14d72a94f0e6b9b33. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/QZNJW2528755.
Luar do Sertão ''Citação Mistérios da Meia-Noite''
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629391567c7b5ec38074c5f1e133d5da4c4abc096bb849984a9fff024e763c37. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZNJW2528756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463b4aa7c28e64a1c7118706d0f702b86070105b3b9f98cc430ea885cc58ec07. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/QZNJW2528757.