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 0xc197faeac99ca4253c060a90cfc1607369fc617296372089c503a99e0bd16206. 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/00144222-f213-47a6-94e4-273399d69f77.json and https://artists.proofprofile.net/proofs/artist/00144222-f213-47a6-94e4-273399d69f77.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 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 0x2f9601503d506c5b43fa9c9a8f04ae831e0f11e68494c17591a147370693da3f. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/ESA112444325.
Malvadinho e Safadinho Remix Arrochadeira
Puf Puf X Taco Taco [Remix Arrochadeira]
Puf Puf X Taco Taco [Remix Arrochadeira] (feat. MC BEATRIZ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74d8614e792fc71fdd41673b77600535bfb8d1cc0a00b76c15258ad48f6e4e3. 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/ESA112446188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45fa5a9064a23f58a164c926551d65dd3408fc2ef425603798e2a39a7d2a27f. Chain 2 (Bitcoin): anchored in block 958971 (2026-07-21T05:04:56Z), 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/ESA112446918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9afab19d659c745e6b0ab974cc74749bfee71f8747084d6dc197458101c1b020. 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/USANG2488464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf4b2289dd5090c125149b5649fd82bc08ebf07c315d521113aaac06b29acc49. 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/USANG2488334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf914e67278cd58ef004ed923fd3c0d0073b99df9063e07532c28da3411833aae. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/ESA112452094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d41c70fa679d85fdfb9b5c3cda6a972ca596ffe8bf5653f815294e644fea094. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/QM3DF2404471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bb3cf6df4eee7068478a33a2292542bd54be6f8e25058ee3f0e51939fdb020c. 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/QM3DF2404476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340b7e68f2c1b34739754572bad6dd01ee765dd460839781a556dacbbbd0b3db. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/US3DF2503365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e7969134e73596c877982f48390744d3ce384582a42e5601a831be21d8ebe6. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/US3DF2503309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9c4d97a267c1fce61462bfaf2a4e943691c86d00cd47317aca853c57fe6e0b2. 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/US3DF2503311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0943c975d772d0ad2ebd685078f4ae47df6703d74f98e250f6bdd21e1c3a44f7. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/US3DF2507859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabdb4d841345c2c7e9c83005568b3db57cb9d2d3d42980832cc4a59b997228d1. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/ESA112561439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bbe23a49c9d2b68dc2cdc443b1043aea521e2de817c091c66e6e257a83d7cd8. 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/ESA112561671.
Toma Jack Vs dos Menor do Odio (Remix Arrochadeira)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa57c0122ad77c06433dceb59364f9ecd8314880fa9638ba00c7fad74b6604c0. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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/ESA112562551.
Ela Passa a Xrc na Glock (Remix Arrochadeira)
Toma uma Encaixada Bem Botada (Remix Arrochadeira)
Ai Caralho, Piranha Fode Que Passa (Remix Arrochadeira)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5e43b469ba6a8d78e7ca19551813b5e5f0881ce439859ce7fe787d5ff2ba87. 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/ESA112564800.
Trepa Trepa X Vou Te Catucar (Remix Arrochadeira)
India Senta na Piroca X Vida Cara (Remix Arrochadeira)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbfdb57085f8075cb49890318b1dccad5d014d825fef6471ed6a86550a69b46. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/USANG2523536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc392d848b46008e6ca2c40433d052a4839a04e1fd10e8bab7911bca40b071973. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/USANG2523543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d35a170260e20a718f1731473671a59960f4a4693fe8059484d622df2538058. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/USANG2536631.