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 0xbc2ee53aeb26101172af0defe7d80ab7022e0fd16eb87ab8ad8dc065d62c146d. 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/aa2d692d-9f1e-431a-af72-e8fe82036a24.json and https://artists.proofprofile.net/proofs/artist/aa2d692d-9f1e-431a-af72-e8fe82036a24.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Só Surubinha de Leve (feat. Mc Diguinho)
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 0x9c4e36df05adfe53e51a35f81543808a08d09a5a26eee7e03184ba576759e065. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/ESA112435147.
Do jeito Que Você Mete (feat. MC Thaizinha & Cardoso No Beat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2509aa5c70b2b4b9f31390ac76930b7eff6046c0b1898c6db6deedce2c09462. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/ESA112437023.
Trepa Trepa no Pal (feat. LOBO NO BEAT & DJ YAN DO FLAMENGO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4e3794df229f769503b127dce3f706ad5dfe081d0bec46368538ccbd8e03cf. 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/ESA112437024.
Eu Reparei na Peça Que Ele Tava (feat. Mc Morena & LOBO NO BEAT)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d25a556f915c004da62bbf5cf19931cb99acc37dade0ddbe8e0034939fa2da3. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ESA112437741.
Solta Essa Piranha Que Tem Dentro de Você
Vem Colocando Novinho (feat. Mc Magrinho, Mc Morena & LOBO NO BEAT)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006087a6d380440b290b3e119d50f5ad93e17aab4090a789ca1461eb5def505f. 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/ESA112438159.
Taca Lá Dentro e Não Tiro de Dentro (feat. Mc Gw, Mc Morena & LOBO NO BEAT)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d62ca5b904922aa291df13d80f916657382785c4534c618d2a0355e163ad61. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:27:47Z), 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/ESA112438158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a50246b71b56abe21aa97b0520e9897f0879d7a3a1f62bd787ca59de5d29005. 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/ESA112442048.
Bonde das 20 Namoradas (feat. RONNIN NO BEAT)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd36eb92e285fc72a3bdea4da2eabe7902b6286fac6c7f465abde13be9a7b296. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/ESA112442047.
Murro na Costela (feat. MC BIEL SJ & DJ Gaby Soares)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x294f18227f112ee5dc0f6f0de9fd49a457708599bed962fa0e7a888bfa0663c6. 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/ESA112446179.
Estilo Talibã 2.0 (feat. Mc Mascara & Mc Monik do Pix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ba4f28cf25ffb52d60438df567cfeb8a2990600f46a92bc4438c8eab061f1e. 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/ESA112446925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4dc61feb8354e1f272c67cbf6dc232adf38da6f7eb9dda9290b82858a2ad46. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/ESA112449295.
Tá Chapada de Balinha (feat. FV NO BEAT)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39275ed48502733b5723d2c0c657ec8855ab304cbf70f0fd09691f1836fe6aba. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T11:19:34Z), 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/ESA112455935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5d9ef80fa6580decbd4b47f2c839d39c8cb4b0dcb5b06ea7dc48e4eab40da4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ESA112455928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2284ef4f8c05dafeda6615be02e5e697804b01c1326cc415c7d8e5a41247d12. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ESA112455929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d565478be2cf68c49927d7e4ce2269489a2b1d0f912142d3ffc037fac92195d. 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/ESA112455925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2b7660b6203b6d00b0dc0f2ae7f179b80fd26e05b0c828a9f064a62f73a43f. 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/ESA112567002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd78ba1e1ea34192dc915ed64d68a56df61773b69cd3d99803f9a1fd202d805. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ESA112567001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x942d44f1a82e5145a9325c77a2661272cc87597a6bcceae8ca26d533b38982f9. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:36:36Z), 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/USANG2521558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fcad54d8b15493fe6e3ae1c89a828b11dd8ad80a29edd970972d940207f812. 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/ESA112444786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef49847cda733f9caf63c032b57a7ff033e0728a8f5e405836c95d360bfb6ca1. 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/ESA112444787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8076d376f552552b6b5928b52280ffb9093f50406177bdcb897892309937e7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ESA112444791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87232d9ccd0d04684cf20d727d4773da59495827708cf0da13251ec96a553e66. 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/ESA112444794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741844dd8ce808d9d149f42e624b20b6f25614e27d171169168c347bded6354c. 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/ESA112444795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b418b3a70cb1a88a7d6ce1d59e3a450581ecf3df5a5812c6c209ebd759686fb. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/ESA112444789.
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 0x16de3dca41546099d9b0427e18332760934085368c6778242e33fe2701ac8488. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/ESA112444792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe6bff0e965cd6b7d1e8e4044a6440912a4a82123f0b5b689d56fca27fb86db1. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/ESA112444790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1977cce1f7391b1329e6dff5d8c47b56814df873e9d9e52aa48dcd6ca8554a4a. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/ESA112444793.