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 0x7c7d62230e4b1a1223480f21d667ead45f4697491af0cd9ac5309e43dc1f6ad0. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7ce33f0a-664b-4739-8072-ce1b3abfabf1.json and https://artists.proofprofile.net/proofs/artist/7ce33f0a-664b-4739-8072-ce1b3abfabf1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
En Vivo Desde San José La Garzona Oaxaca
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 0x70a7c7a577ddb1df3d9f6608c970d44e4daffa946c4f113c0c08479c1bf4488e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZNFJ2400360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11ad62607f68d88312f49552304d4841bb75806352e56ceb83801a135892bc8a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNFJ2400361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf15ef2ba9e040c14eb8ca689bda43abf9b627af0d01bcad8291044b07c323251. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZNFJ2400363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedabe8db9579759654522c0c5e7bae72039d2929e6c5a5074e020ec17727e869. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNFJ2400370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04f334be1aeed23c8fb4872ec138ec410b91d05994ce6f05e7c7c6304bf774a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNFJ2400371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5015e45315003b6f26049a510306b39338dc879bc9c9056b0556f98c9f4b86e7. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZNFJ2400366.
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 0x1740087726bde96f7938e6fc05dec06832c7438cc933f79b4d349d338cd10611. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/QZNFJ2400368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6104915bf2990ab0b21358f417fa988209a366dfa516e4545be750db517e393. 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/QZNFJ2213733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9204a57a2d53aa532c5718c8a1b46c4762380744d3737791360fac2536d68dd8. 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/QZNFJ2213736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e31af8f8a3dd244abed01de56910237c355ecf5cc204b017cc42f222d36c7ef. 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/QZNFJ2213739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433f0cd08a19843dab5cc74e646cfea3265926267eb61e3c1cc4953f5a379d64. 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/QZNFJ2213740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1553f692d09ac6f8a93f0fd7444f720df5f0bb3d272888a7df24b39596893f4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZNFJ2213742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b84e79b0854323a6842149b4636ad23c57c6c7b7518d082dc57ee4b5d32dafe. 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/QZNFJ2213734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5477d511b6f6dc8314d884d98d3d46c11a9c66947747970fdd45026162de4e. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/QZNFJ2213737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8093e588374c1dba1848cd3d1b156f8043cd3fd28965d36744fe264a6df52b2b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJY2200186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1060932d69948525aa82a922754fdfc108967c5a8438e4c54356eca34dea0b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJY2200187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992f3fa445515191f1d62ebddd1e74873148982b3fef18af5f752a9ecfff2ce3. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZNJY2200194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x744372d07fe7363d9785b82cc41fd9ebbc510df235f6e0745316a7574935b7b5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ESA012037338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba28b7cae3bd6774e6abd143b277dd36f2c0f90fc4f62e59017fd78bb5f2aab5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ESA012037344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d3caa559412ff5667fb4aa9033461f2f986129a88295256fc4cd2ea2bcd104. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ESA012037354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x881b8c90fc3ac76dc8bba1a735786eb17e175cdc6c65b96dca45932b20db1c70. 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/ESA012037347.
Homenajeando a los Grandes de la Costa (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4768091bb75d65e5b40654e47e35b76312ec8c52aba79cd56a52cf79ab1c7327. 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/ESA012012258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62be1ec6829cdf9c78df9b57cc2dc5e8e611b47507fb65bfa5e5687776e61865. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ESA012012261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937dd1d42a76fbf0bb1ecf3d9a7de47958dadcffdff45bf4f37a568b989f684e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ESA012012266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e4a38e5fffb279029ce7204a6a21e22a90bc9e0827dbc5b7be8778e8febe77. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ESA012012270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e37bc6cea1bdc0d697309b5486155cd2251e2520271477e52a6b5c62eb61b55. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ESA012012271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008e9a7f1623e1c7a9ba4a4d75c28d31e6b385a87869478a0747a7ac4bef24f4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ESA012012272.
No Llores por Ella / La Flaca / El Perico de Toñita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe46f89688e7e9600b8193e2b2fb4cc9437d27f5fb259fbb9b734e46d2096653c. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/ESA012012254.
Morenita Consentida / El Pájaro Cardenal / Julia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00f512e7d1fd6aa0b7a2afff8295b50ab0846307d6c16fb734c37fdd46c9a39. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/ESA012012256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2da486f588253476e2557c873d62748fd1a030b0664c572ba3c69e29c91762. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ESA011952525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237a9b4f1e92e304c6552464ca624082ced030ef8645f6a4aed60fd32b9e089e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ESA011952530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82743654714b0db786c6e4acf894c572bb55468b2b91a7def3bd9cfd63921c8d. 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/ESA011952537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92f8be59632222198e54c4b059264f190e82868343da88aaad0d0692af79499. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ESA011952538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc03aec25d9a9ad9da84309f914b45950f66b868bf80bf4033581ddd77480c4. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/ESA011952529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b034a7b0ab54589674dffb6d01baf16fc447a31fc8936faa059143eed86314. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/ESA011952531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b25d7c365a32644194d42d30987c2d189985fe746f334b77cf28f4fffc41fb. Chain 2 (Bitcoin): anchored in block 960387 (2026-07-31T10:06:30Z), 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/ESA011952535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a21ca19f5077a6eaa74f5e852a3151d5b0b3aa66b6705c1b8308a5440a3fca. 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/USDY41829761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd512934d20b7267dc17dcfdcc9033c213b6a532a2a3b3b3a82c28ade96e25f02. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USDY41829772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad20c100cea7406c0261d61e9c002fabb2c93a03c38897e3ba390bb53ce52cbb. 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/USDY41829771.