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 0x086ced6c134523b49caf962991ef06325a8170bf94685b68358fc9a1dbe68519. 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/8e448da4-1a59-4fcb-b370-010a4b84672a.json and https://artists.proofprofile.net/proofs/artist/8e448da4-1a59-4fcb-b370-010a4b84672a.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd566f2c3f34cdc752bcb19c211c416240a4ca06cbcffc42293c852e48c05ac8. 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/USANG2228479.
Chalo Araujo (Pistolero De Arturo Beltrán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e9c43a0caf8e3576f58ada3443d0702db7f5e27fc876d01061fbb2d659c34d. 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/MXUM62300496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f1941737182399d7115faa4135c3146654d7973d70cc2e0fb7507e0428612e0. 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/QZDQH2389679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbac02a2652244999357f3369ff564888f38cad372bf79302c2c14a1f49a5019b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USA2P2106943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa28e320a1faae3542bf315c59e882689300d40e429511545222a828c36c38f9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/TCAEE1983971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25556e83b8a161afa2207c80990484c23ab8b0904c58e027638ffaced74c485. 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/TCAEE1991674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1583026a433224b7f8dec1beaaff05bf0f5d57d4e1d487456460a3443986806. 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/TCAEF1913964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cc5ee29b2a8fa837c787bc81ca8ac0bf545f00f1ce25f08f2f912ce0751f2f. 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/TCAEF1921385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3efac189548012a348c09043f437d41200d4f1f7f849457ca68da67ec7f90470. 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/TCAEF1921413.
Popurrí Tumbado: El Azul / Lady Gaga / PRC / AMG (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b4d98cd19212f1c8de799e8fa3c1e49ed5b5732e1b4045a07b4af116d375d7. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/QZDQH2377726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x732b0941d9ddce1145299201d40b45f90d7a28eca099b95e5c959f6633fb4c95. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/TCAGP2291199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5649823168ea28a3b12fb0fe98e4592c98d319ae1bfe5634c3426fc7909f5edd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM4DW1823743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11c0f3aad3ab44a805b8275eb46914602e48764cfcc349a3a70d870e0eaa33bb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZDQH2429708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a92495bb9b6634e8204e0ea2df4c2078572f9ae30a8ab3c854bcf5c79c148c. 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/US3DF2494998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55d34d3d3f729da0f69b20d75c217144d0be643365eaddbc7abeda198800d4d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMFME2402761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a83401c307f45990adca519ba714a698881f5c268fcdf4451bb30fc061c025. 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/QMFME2402776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d34ebdb0a4480754e4986256af347adefe52023f8cec310e5fd1b3919549668. 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/QMFME2402794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0203e1e0969c35de1ff76acd633ac7aa2630b603e481fa5d1b3d51a006a5ba8. 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/QMFME2402796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff15c18e127325256301d8f84c493a582011fc540aa8c5c472cf33c45ccea76. 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/QMFME2402798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a911cfafd5c20dd337a131c0fcbbf641c5ebf4329a22614d2c33fae1d1edf80. 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/QMFME2402811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f214c1375bc6bd0b834abaa5eb91c9919f6bd24fdacbbeff7aee0f04d5e902. 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/QZDQH2413996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0435c23a1ea43f060c20f03933333418c9f1d1048cc5ef8e643230f4eeb1f29. 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/QZDQH2416693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11c0f3aad3ab44a805b8275eb46914602e48764cfcc349a3a70d870e0eaa33bb. 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/QZDQH2429708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8a62baf1e0e219f0bb5ccdc1378c1585fd327ec5e65bd21ec9de746bf10d97. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZDQH2432813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b11738347861d5dce6a96a961dd049cd638709a7529e9849008e35249bc5014. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZDQH2507225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08d543e3a4e26028828defb62851683bdbc9fff744288b390f114f4771abac9. 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/QM4TX2549612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98e9ce0bc9ccb309ef28a5fc0f9a450f8112c5c20a102d990563ef9c512843e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM4TW2535650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a027aab642fae420f3df426a01f7124267e929978d91cfdf4cc006fb46ddb77. 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/QMFME2471720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2564a95a675182ecaffaf176df0a6541b8b0e1f74682afd0d7b18b5657dfad02. 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/QZDQH2422868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x142e5a3b464564ada114604bdd617ca60ef30eeb767a21f95184818e2f24a2c8. 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/QZDQH2416939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f214c1375bc6bd0b834abaa5eb91c9919f6bd24fdacbbeff7aee0f04d5e902. 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/QZDQH2413996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e9c43a0caf8e3576f58ada3443d0702db7f5e27fc876d01061fbb2d659c34d. 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/MXUM62300496.