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 0xd6531b1ef4f42e97018ab892be3281a4a1681a15589feb03445fd66bbd683e2f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/227dbbb1-e05c-4503-a0dd-457681686aca.json and https://artists.proofprofile.net/proofs/artist/227dbbb1-e05c-4503-a0dd-457681686aca.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 0x580de32ceb5001cc3b9681aaeb878572d4d23f3ed977b7b88f6bcfa5714c0c9b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/MXB231800018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x817fe83936a35425acf8d7554aba22e92029f03dc9cde29684c120a3766706cf. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T17:57:23Z), 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/MXB231800019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa64057dbba7aa6506b2cbc4d598525b5f221bcf89e8e3edc8b7f82ba52a0b94. 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/MXB231800021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d392ab232e646a375995ab4d583582bac2f13608c02a6b514430eb5816de313. 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/MXB231800022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1ee833b6d05ff9ba8d06b8120b9ae040b6c840af5ab9a7b133f25b3976bd07. 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/MXB231800023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cc307d386d9bc7b6a1fd1678722968fa7d5aae9dd9522abccc665a9c80c5774. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/MXB231800024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ddb05aaed47b3a2362c8c83b61308dd201f8bd23b0b2c45638f38d9c8e1d8b. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), 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/MXB231800025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dce426109b748da6a37cbf715fefe9b72d1e0e0bc5f7a875637939a03c27143. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/MXB231800026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de7316c39961b45d3842270ca47cd9d808c48b8e8607ff3ec4412b1a672ae6d. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/MXB231800027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aaa180b5870f10b93562b95ee139e01182b3f7063a75a698ebb206dc5e314ad. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/MXB231800028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eed5995d49157932766eacfed8f4881d0b68431c926499df3febf9efab59fb2. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/MXB231800029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1e8a43c9cf1f3d77dfea9699d2d0e9e5374ef9d65fe099c0d6e350b4b65930e. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/MXB231800030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f9f7b0b81c861544fa03dca2788f301d2c7e5c9ddfa5288589f9d536fee5ab. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/MXB232000057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4185fab94ad270d011b45938aa55e79844844d00ddb4a3a4f906d8f4e3acf545. 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/MXB232000048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd37b8997da2a73b747d8c049334a3c78c3d11f6b7607f0553e165430ac8c903f. 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/MXB232000049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc9a1bd35d76de4a68116956972a2aea6af2a1645c003923214e00b0bb0ec1c. 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/MXB232000050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d1fe061c003d090adf43efcb1877ba6f6506f4882f2f12085aef6bfdffa242. 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/MXB232000052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x827fd8c065d74e3be95223d086fd629e3dc66d591474827db08190d0718216bd. Chain 2 (Bitcoin): anchored in block 958572 (2026-07-18T15:47:37Z), 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/MXB232000053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826e67f87c76a77142cb569f62af259d5242631852392e27d9026a0e83ad9945. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/MXB232000054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ed5e2f9620c2fdc49ead48377e0d8e0c49fb2d322a940b626c6fffc1dca952. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/MXB232000055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2653292fea2e9e44d39507548bac66b07d2e9e0dcc4522a94eab5dc704fb5d04. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/MXB232000056.
Comidas Con Caifanes y el Chef Herrera - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4813f113749465e59c4b69192802dde20b0439d69c47b900192e02c7427e729. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/MXB232000064.
Cuando Me Rompí la Madre en el Escenario - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaee48f0cb572123c2d33c20140d55aabd0c6fc612e1b47a3ef61b5449cd15982. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:43:23Z), 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/MXB232000065.
Me Discriminaron por No Tener Cuello - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa606761d6da401e29eb55dbff5091d94d0ea16a8958e5bea75b65c86026aa9c4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/MXB232000068.
Top Clichés en las Ciudades de Mi País - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe53b239af26cdcc98a5d0659bd7e4d3c3fe1f190a1811bda2916960b573293c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/MXB232000069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f9f7b0b81c861544fa03dca2788f301d2c7e5c9ddfa5288589f9d536fee5ab. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/MXB232000057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe64d285256ccbbec6f978674b009e405117ec51d0fbfa99c65d1f8491c0aca10. 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/QZW9K2448336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9046cb318bd14644c9ecdff1a479a969646d7e5e76f859f0a94b3571baa8d662. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/QZW9L2490169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d29ee3e4ee410c6a37d2f8cd8815fbe82bb1d88d0f8c756efca63538e81d7f5. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZW9M2414738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35046a5bda2ff511bc89902cf87ea65e5b209c8d7cd21643a771d0f4d58668f7. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/US7VG2550945.