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 0xe82e1207352dc31590659bc8cd99600c3af6e1007f7365668eb140e1cc49dc64. 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/1dc92804-765e-43d8-a5ff-214cadf5893c.json and https://artists.proofprofile.net/proofs/artist/1dc92804-765e-43d8-a5ff-214cadf5893c.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 0xebda6df36cf65c8684ebfbe035b7e4925db4667dba59f0f0c1ae6b012ff3110c. 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/MXF152301339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62eb1373d029469d9460e645735de9ea46e6b979d12de0491f441b32b738483. 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/MXF151900412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee091701bd6cbc3aebce0a6dc9064ee54280c98d47f5e3e7ffe5ffff59d4ca41. 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/MXF152300114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e0c0817bed59a9880e3baabd868ea98569e5b5e6c7cf20ad16061337a39e67. 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/MXF152200614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53179762ad6774147baf607aed32d139837f32fde9c0b87d912a4c62aec56b55. 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/MXF152300367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7fdb4eafbd428102f3793551d5e938f1809321cc5031d56da88f5baca07f60. 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/MXF152300370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62eb1373d029469d9460e645735de9ea46e6b979d12de0491f441b32b738483. 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/MXF151900412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e4863834cc4b4e65e583679d45f26848996719fe408463ade7405ea98e263a. 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/MXF152000534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf168f3f88f24427c8ffa78105b68efb1cd8271f7a2f5dda29a291b27acadd151. 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/MXF152100041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80fee305ff7569652e4526715d99e3e2f7232d22aaaaf3517d5e89308fa4d951. 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/MXF152000314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52b9e02acd3ba9a94ea597a90ded6ae51409021ccfb7fff0a49399dbd4d1c04a. 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/MXF152000186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36e0222f4af548d7bc7bce576e6b9ad0545eb3d848b4dab3189c6ea80b7a8eb. 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/MXF152100164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98563f04182b801a9a6d42e540949ef9e763773b474a1c79eacbbf5a3e81f775. 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/QMFMF2446319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1638d396d48a476e5febfd29f9d3a92739bab7df72fbeece6adc8f602204d09d. 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/QZW9M2429823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f40b35bc8cd2e373f2e0342e7ef2702e81a6532c92a285b0c461bd62887ede4. 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/QMDA72473624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ddbec5921c71a957860b4b382c6ff13ad523b16987eba67778d8fdb9177777d. 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/QMDA72407604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x939c14ade1382c98da63bf7b7eee1afabfc84646acf482c15c695e08f8d2790f. 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/ES71G2425133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac26ad62e91620d876ed698e9df93e35c772fa00073885eca32d33465af0af1d. 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/QM7282496230.
Ahora Que Vas A Dejarme (Sesión en Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf168f3f88f24427c8ffa78105b68efb1cd8271f7a2f5dda29a291b27acadd151. 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/MXF152100041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e4863834cc4b4e65e583679d45f26848996719fe408463ade7405ea98e263a. 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/MXF152000534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b8bdc4c0172e977b25eae6585ff656162c8b50359f1b0abcc36c71e77372e1. 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/MXF152000046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9ebf188c60c56f1f0700fba124ccb717162f3eca9dfb374dc619ba7548a587d. 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/MXF151900044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a91c28a3554905f738cc78482ccd512db16dd15f6e829440622faf51e02fb89. 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/QZ5AB1625531.