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 0x4015e7fd62342ef86296a31373ea8aafb441bc52c73b9b35fafcb84e35f62427. 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/2009e9af-fb97-49e6-8658-b797e0b609af.json and https://artists.proofprofile.net/proofs/artist/2009e9af-fb97-49e6-8658-b797e0b609af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El Son Del Mono (El Son de Amoltepec) [En Vivo]
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 0xd2bc93094c4d0cbbbbb61b9465dac4711b2c72a827760d0b7659aff469fbddaf. 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/USA2P2507534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1f899c004357a5b33aed0be1c0c1c8b1d62b14e0baae39b47b1859cce63793. 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/USA2P2507535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df6ede3add1698dad0c23ce7c5dee93fa182daeae05efb5a78d6a0e7cd4088f. 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/USA2P2507536.
No Soy Feliz - La Talega Del Café (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf834fa334e3a57a33cff6062492b813794a08c0b0b954aaa9e064da97b9785e0. 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/USA2P2507537.
Si Me Recuerdas - No Puedo Olvidarla (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f12bde23637767aa8a64ebeec1492c256670f7aa9ed76d1f98ee7c1ae4b74dc. 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/USA2P2507538.
⁠Quién Pompo - Macorina - La Estaca (Popurri Chico Che) (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbf97f18f9cf192c395f02d956b8ceb4a077b531a796da67d75ad86f35629dc5. 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/USA2P2507539.
El 24 - El Centenario - Chivo Tatemado (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94bf5d29c80e8c9bcf7ee3e1eb2f08a97bd56da0c5c933222bd4b2614745962e. 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/USA2P2507540.
⁠Razon - Las Locuras Mías - Dando Vueltas (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9583a0854a4d16085e8724c02bc1b87e228992ab81e7e4ea89c040891b6e34. 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/USA2P2507541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559414f352535898c5161b62ecee5119ba7c63e18f7ffcbdf3fe9ead84e857f1. 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/USA2P2507542.
Las Guilotas - Cuando Los Frijoles Bailan - Arriba Pichataro (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe556f7e8e840ad0cb7600d3f821a1f4a709ebfadbc460bcdcbaba788e9759b14. 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/USA2P2507543.
⁠Quédate Conmigo Esta Noche - Me Gustas Mucho (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5e51d79cf394dcd844639d47f2998bbdfd9384880d655d0832b02264c0c267c. 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/USA2P2507544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb879c7392bff8ad1d2a3557cd23945af2c3769804e59f4bbc719ed0038e061e8. 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/USA2P2504701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987c0152035c63efb76890078b66afd7ab90dd9d001d40e28ef752b18559163e. 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/USA2P2507545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c644e8ea9276a254f9b6b2477a64f79d8f35288c798b1f5d38f38324c28ea0. 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/USA2P2507546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x294b891619508af056323a042f45a25c048155f88f98298f3ed4d86508830dce. 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/QZES82484269.
El Tarasco, La Gitanilla, Por Una Mujer Casada
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340dd4041c6f5d405d96a038384ee9ee65d35abd2bdf97580c440e7f2cdd3966. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/QZES82484270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4190b3a992e3bcca7ffd92635a518d65ce5e00417523c869d362a65e7c64769. 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/QZES82484271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2fcbdfdcb4aa097d517057c2ec0401d461f0f2ee77d8cf5e9161ef7eec5684. 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/QZES82484279.
Por Las Calles De Chihuahua / Me Nortié - Virtual
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x868ee16971b7427ebb8d4a76fd406ec53bef2031b90ef64ceee57a0beee8cd62. 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/QZK6J2265964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9223a15ef62524cf8ec2a730bfe04d10d214974163ce7ca00690237704f07d90. 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/QZK6J2265965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcabb00972fb5b0b00d497491d9c4cfd40b01fa6b02f4d2848135633aaccb26bc. 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/QZK6J2265967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfddafbec2bf721c9195ba27a16ce03dbe18ca778373835e611880a166ca1549e. 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/QZK6J2265968.
La Danza Del Coyote / Cinco De Té / La Tabaquera - Virtual
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6fc6eafa33603c5d1ea8c6bfe5f68867441817696930aaa1e2b66dbe0778b43. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZK6J2265969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2c439a3d9ef23963dc851a60157d297360d549d5253a19f4450c7cfd0e5f2b. 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/QZK6J2265971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893457024e255f8ef60d4763ab032eb0bb7c69f20fdec06bcac87db5efa5cde8. 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/QZHN42324117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb879c7392bff8ad1d2a3557cd23945af2c3769804e59f4bbc719ed0038e061e8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA2P2504701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752d41ac39c8e850b2d8ff867bfeee9200b7a2357670a883a391bd9c71099b1e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA2P2474099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a33af87e3213541ea907c2cc1320b44c74af56799eec9983f73b642fb2ca287. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA2P2473366.
Popurrí Mexicano (El Gavilán Colorado - Bésame Morenita - Cielito Lindo) (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a161daaaef28c5303f7350e0fee761fca2074e194a944aad3ae7a5121dee1c8. 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/USA2P2468007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x411b6ac1196627a1650ffe4eb7d1e305b510ae82d0c334011f94f047dc291b45. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA2P2465635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8005f08f7a16c24e258880f65001132b60df610b5664fac369218e1cd6df33. 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/ARC572404145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6c5e87f37b9a4e220dd22f7d975819b8f471e24dd7d2deaaf752704012f98d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ARC572404300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc999c434b5f3afc76e0ec88f3483cf54fd6414e3d8bc897bbc2ce2e49e25dd84. 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/QZHN82459342.