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 0x4c42ca2bd18021cb84d0680678a1bf05787ee7642f5c4a8506075d363c423e50. 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/aa203744-dd3b-4985-983d-251d090b30d0.json and https://artists.proofprofile.net/proofs/artist/aa203744-dd3b-4985-983d-251d090b30d0.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 0xde9cd69189b4fda85166b2ebb459545adda95b21618a88581afac0bf77b3a76b. 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/ES5701300493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45448053b6c1799dd9100ee759d88d87125573904b7d38009d262a40f12360da. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ES5701300499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6f1e49c0c08d19ba43890325d709cf84c421b6a233c1827f0d01b8198fb7be. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/ES5701300500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b01d0b74659ffac71480d3af7a83ddc0c537646d5f3c06da4e2ad4efd0a0ac4. 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/ES5701600169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c11e824a132f8c289a03484779e93a64744b24d3d1f7ce20a6e964042fc0b6. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/ES5701900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc52a0864e4ce42b9e0be1d49e904b2cd91463c3ef62b41aea656dc9c32f4c8. 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/ES5701900008.
¿Qué Demonios Hago Yo Aquí? (En Directo Desde Madrid)
A Todo Que Sí [Feat. Tarque] (En Directo Desde Madrid)
Baila Conmigo [Feat. Leiva] (En Directo Desde Madrid)
Baila Conmigo [Feat. Leiva] - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05a6f2d46d5d10a2b946a06ae0de2ff3253466419b8c6c8573782f269aff0102. 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/ES5702001246.
¿Qué Harás, Amor? [Feat. Ariel Rot] (En Directo Desde Madrid)
Cayendo Por El Agujero [Feat. Ángel Vera] (En Directo Desde Madrid)
Dispárame [Feat. Aurora García] (En Directo Desde Madrid)
Voy A Bailar Encima De Ti [Feat. Fito Y Fitipaldis] (En Directo Desde Madrid)
Voy A Bailar Encima De Ti [Feat. Fito Y Fitipaldis] - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbad10212df7c98dfaedd4ac8abbceb094ff935b70c89d0d6148672e320890c. 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/ES5702001286.
Tenía Que Probar [Feat. Carlos Raya] (En Directo Desde Madrid)
Resaca [Feat. Fito Y Fitipaldis] (En Directo Desde Madrid)
Resaca [Feat. Fito Y Fitipaldis] - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eefdefa2d2d42ffd37eced8ad2b733d9db3dd8c8bbc433a9e4230567d99598f. 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/ES5702001285.
Tendrías Que Haberla Visto Bailar - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c6ea97b958357d16a9973a3f3732e2a2085cf258a486d76ed39d5af22bda74. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/ES5702001277.
Con Sólo Un Movimiento - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x905900b415a878fd288592667715deafffa2bc3d974a5c9820e9a67f2e102313. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/ES5702001281.
Cayendo Por El Agujero - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4a59ee4fdd0aa4f895e0abc2a3310e36a551d0e07110b6618b6add8c09fda3. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ES5702001284.
Tenía Que Probar - En Directo Desde Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc433b6b70a90317201dcc207492c0c492b797404a6435547a48c86becedc2274. 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/ES5702001288.
Baila Conmigo (En Directo En El Circo Price De Madrid / 2020)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8435fc9fafee6b2fe8767812175b5fbe0f8c54e434c51807511405546136177b. 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/ES94G2375901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad641b98042c0c896376760feb8caab9101c5b9096e11c629d8ae3f692653fb. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/ES94G2375910.
El Monstruo (Directo Circo Raluy Legacy)
Dentro de la Ley (Directo desde Estudio Uno)
Mi rock perdido (Directo desde Estudio Uno)
Mi rock perdido - Directo desde Estudio Uno
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90bfa8a883a54672a7339dddf5a4bb37d6c0231d3c3b65159a991b56153a86e1. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ES94G2400604.
No sé lo que me pasa (Directo desde Estudio Uno)
Cómo quisiera - Directo desde Estudio Uno
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce421e4a2dde0aa19f107594b9b8e465da9701043c1cb63a4547b31e4ea820f. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/ES94J2400602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09cacb466116fc5332b4eb7557c316144f54b410be661f4ac3813b55d0d072af. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/ES5701300495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ffc0e6aeb9764c31ede5e1037a19529f1d1d4912e88588cbbacd4c738532bc5. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ES5701900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x870cff9f46fb85ccaac89672954be842d6fc717fcb4538e74ad757c697616ed8. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/ES5701600161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04616d02dbdec7b0b3a95c03e94c1d005190780d716d2725de2449fab578ec0c. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/ES5701900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe1cefc97911bb8eb550fcf47d1f9ea88f926677551793f90a9872d5e9494099. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/ES5701300503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19e2275abce918d84cd0f6c0ae309760c084f27050c6e16becc9c2193ebe81e8. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/ES5701300494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x601f89917ec2c91b84509269ca7b40a1422b736cf282a9a3061b2f94ed7b08f7. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/QMDA62170210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fb57d4b4b49125f9cb30419eae45b4cbb58b76f7f1ab36e7735f8cddb1967c. 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/ES5152200036.