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 0x013e28942db61664359ef47c4df76c233e7d2b8631544174e1b5d26bba5d3b6c. 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/45d99c5d-634f-4c06-be09-4f78dd858f07.json and https://artists.proofprofile.net/proofs/artist/45d99c5d-634f-4c06-be09-4f78dd858f07.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 0x8e7f8b995d663d50b224943b385fe5c4ba6c00da5a5360f7c177d7e53c62408b. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/ES09C1100443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb83c4dea4f5c7d84f46bdc148067aadc4bce1357e7bb7a0c1d9fc3a3aedeb96f. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/ES09C1100453.
A Veces Me Pregunto Si los Peces Duermen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0dfb74176a12b31b1c9e0e4cc8669daa6d1f8076a079984ec93e5f3503566af. 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/ES09C1100188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eea8044949c13e99fb0889a5919cc5a9ea7ba2d2e35462f15c31bf6dd5bc989. 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/ES09C1100201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96784367f777155a8b39efc35e4dcbcb713a4cfd62c265c8c447fbddb98e4f59. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/ES09C1100202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42074353e95add243f2797844ac45bf033e5b9a6e8fcd85a6b929bb840fd7913. 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/ES09C1200307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367448782e1350b1f5e3a8c1da2b6ea2a3a6d9fd2da167b4be77e5cc6c9cb6c5. Chain 2 (Bitcoin): anchored in block 959018 (2026-07-21T14:12:28Z), 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/ES09C1200312.
La Rebelión De Los Niños Con Problemas Emocionales
La Rebelión de los Niños con Problemas Emocionales
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d5eb4257b99c4c10f3638015bb6a3e6573755a6127d83b3a74ffd09916d941. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ES5300926787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bcfa50cb9c746f0e4d88b1a8a508c16ce39ae8bb351670f5d2c934d3c97e70d. 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/ES5300926788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa492c845978363bb253ea9ce764ef166f50b7434f76d5ade89a2f48154aa16b. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/ES5300926791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fa6b3c1caa81397db9f345fbf2fcca43813d726fcdebbe6224c7c2730a45b91. 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/ES8572074402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf79c632a3674445d814f6aa94f951a495f12e9a4f6f9394c3acb3daa0f3023e. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/ES8572074403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c0f814afd945f37807cd5af0392197da94ff5da5d86a47a2db01f97ebbfc89. 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/ES8572074404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6f006c9968f23bc62dd45c37d86058ead824be4c7da2f6bd797cc5a85317b0. 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/ES8572074405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b4e60ccb88deb58dbb4fd3ad5654ca2cc7946aab341e78548c5432f5af298f3. 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/ES8572074406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x819ae7e666e5ff7c74ce191c2d294acc6e19b6428733ccfa013ddb3c9f314b11. 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/ES8572074407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef027605bac0bb6373197aea5763e5b929c85d1afbbee755c351f84fb7e4d97. 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/ES8572074408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x756bc0408782b7ebac786c467c844d04b7c572d5c7780185fc5ea327710b2b10. 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/ES8572074409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7867fef9285b760509e8d7c3e9905f3ddb812b129994874a159aa9688b304a. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/ES8572074410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce0724759411240e956aa9752f598089896d71d392e06a4fb2bcad4d86c1ca0. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/ES8572074411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12c03d0f1bf570b38ae18e77b31cf97c5f845d354c963914114f3ce3d78a209. 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/ES8572074412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04313d328ad33223ea67a9507727a9413d9995003f3fd6f99417849528fa7a9. 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/ES8572074413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed4e61e035cd700993f9ac76ab5faf2fb90b26cd465d2738ec02bbe4db7e0c1. 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/ES8572074415.
Demasiado Viejo para el Reggaetón, Demasiado Joven para Morir
Demasiado viejo para el reggaetón, demasiado joven para morir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd9df5230aa7aa3055a0effbeecd2b4bc26dd8c9b38c0c73327fccd5888bd0d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QM6N22370589.
El Regreso del Hombre Cucaracha (En Directo)
En Directo desde el Teatro Principal de Palma
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ca11c7789e2a189cb38fcd20c9c2492b210e11d49ff83baaecb31a0bf6e673. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/ES31E2501969.
En casa que no hay gobierno, a pellizcos se va el pan tierno
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cbc8ae08ea96fb4bfa9085c9e7b9a45b6c5741f9823f75be72856ac2690f8a2. 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/ESA011610465.