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 0x6312e8db784daa06048f4079287fbae9e70e5f55d5662a1342caae8fcf8b461e. 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/12b23d1d-f76c-41d3-831e-c920b121a2c5.json and https://artists.proofprofile.net/proofs/artist/12b23d1d-f76c-41d3-831e-c920b121a2c5.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 0x609fe51acf019bfaa9b9fc2280b2dad6a5198c56f5396971a5b32fcb01f0aa9c. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/QZHZ62043165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50c827f00bec4054e866ce17bdb80be7f5a38ab6b55c3248d354999f72546c2. 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/AEA2M2260879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x284685055957188545fccd8cbd81b6fe9883564b54ad60688208e92e85208c35. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZNJV2200425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e5d81c3a2de7608c4fbc7f9347dfa57a8b3313e02424b4a06a510602b80d4b7. 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/QZMZ92261439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc618ecf702f28e093509755874d97524fdf1908f9cf2d3d67cb23b11c3ea1d15. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/QZNJW2269712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb12fcc82daf63dec288f879f196c58bd1d8b80ce31490c2c90bde3c50a90b35. 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/QZNJW2267120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6dfb944f4d77b57eb1dc3dcae76f742115f6af33877bf9235bb15080fead66. 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/QZNJX2263387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846cfffeb452acce7afdf3efdd7886afd0bd80c3b0c3ff13ee49fff792a0eb6f. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZTPX2261983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe2d98151fc0212e45a273bc3d2ba45e50f0c24f0ae6177f20dd8418ca4d7fe. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/QZTVM2218947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43fe67813ef10de74b6ee16b3742f78aabbff1135af6550567c67afacc918f8c. 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/QZTVM2286564.
Un Inclinao (Prod. by Ernesto Losa, Roberto Ferrante)
Grita (Prod. by Roberto Ferrante, Ernesto Losa)
La Moet (Prod. by Roberto Ferrante, B One El Productor De Oro, Ernesto Losa)
La Moet - Prod. by Roberto Ferrante, B One El Productor De Oro, Ernesto Losa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295f8f27df60b2b2a058a58114c48bb3e9f81f08e2505c4da2d9685a1c76d57f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITF252300369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1427222ce45145f0429d77037f406d38d9addf1e652b95563db507302c14d567. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITF252400554.
Papita Frita - Prod. by Ernesto Losa x Mauro El Código Secreto
Papita Frita (Prod. by Ernesto Losa x Mauro El Código Secreto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8427cb9ff739201ce85b932115418b4dd02f6da1d6b3de202f5edb0c3ee917cf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITF252400647.