{"copyright_id":"0x3b59bc70cf5f9d6ef65b5d23ffedfbfae27b05092768d16819e4fbc7dcbf0e57","name":"Camilo Andrés Cifuentes","registered_at":"2026-06-15T05:08:39Z","symbol":"NIM0691697","token_address":"0x800de83afd8374d22bfb11a7fe9c72513adaa5ba","type":"artist","uuid":"ea744b78-4694-4f5c-88ab-adeb045dbd67"}
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 0x3b59bc70cf5f9d6ef65b5d23ffedfbfae27b05092768d16819e4fbc7dcbf0e57. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea744b78-4694-4f5c-88ab-adeb045dbd67.json and https://artists.proofprofile.net/proofs/artist/ea744b78-4694-4f5c-88ab-adeb045dbd67.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Colombia en Requinto Vol.II (Colombia en Instrumentos 16)
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 0x4dfc40f398b23a91d384046f9e778131413f8b8c30127aea52330204df1ddd74. 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/FR10S1631030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e4dfdaa70ab8b45d36546d1c88381ef376ee111441f13d322e604249225e5a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR10S1631031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e18bee8a98eaee4c3280b26c203251c3114b4a84eb6ce5a3e27d390ebcb7624. 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/FR10S1631032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e11b1f7258b71d34ac72a83844da0eae5115462a068afb50519311e721d1428. 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/FR10S1631033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd6a8495115590e46bc1564b82b3fb9b3bbc4150e58351564f4ffe55d670a0c7. 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/FR10S1631034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe865a2593de2e1cc2d682f0cf1128b7f564d4f35473a3f8e2930027b38b69ee. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/FR10S1631035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0703dbbfaa49b0f5edfbdea940f441f87323fbef8e6a71bd8ce5b196259378b. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FR10S1631036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d8481ee8a792dc38aa52329f87f45a02a7594e0b42ed871de8c91a5b4dcb1fc. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FR10S1631037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada697649bffbbae7799253e5f0924748591244273ab923c6a03887e1cb66b13. 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/FR10S1631038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa428f4a318edcc1b891905f8cc5aa5b61741a5d85948af290aa00a4ff18da493. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR10S1631039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74e426e929dd0a172d629446b933548402b55a4148a7108fe2169bb36bda758. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/FR10S1631040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e0b16d459283084cedcbe88c086033ec1fa74a0c758a4aa62ba70fea0e7f2e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR10S1631041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b2401bb5feb04d1ef7385ca49e9cc7801464a0e5450941a7ad67c923cc92b7. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/FR10S1631042.
Colombia en Requinto (Colombia en Instrumentos 12)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb144a530121c90aca9c95681f2f5bf53d7313d7428a01f003f518090f35e068. 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/FR10S1635593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b20201f41333b004808aac3bab75cad9ceaf8a02be808dd87b337ff1b616954. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/FR10S1635594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e7e7b73407501b9316aad8c0fb64f05f50313e83bf0595e43b41fa1f13b3821. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/FR10S1635595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c950c3bc8e2c5e5a1cafb36b760488196a45cc63bb020a7d9d0b5fe7710d1a2. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FR10S1635596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7c6293177510ac58d40f87e1fdbbdad36add9f95c90ed90dc2f1af69d9be50. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/FR10S1635597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6777e4e760684dadda6912857f396c5a46882b6d145dfe25792e49224d77e96. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FR10S1635598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51128491dfc1f69df4c27cb76cfa275fb0e12b8819c4ba98c41103818260a1ce. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/FR10S1635599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37fb0422fa59b27af61a24a6bfd68365901362849410afca4fd258622fa7d80a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR10S1635600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b70a0a540465cad1e5cdcf843cbe8d367b512b296edd95b907f193f37968228. 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/FR10S1635601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2c3128ada4254c6805f7110266f527dc2ea9885115d1a57d8ba272f256184cf. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR10S1635603.