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 0xd0b92c13208e6fb015cd976052330ba91ac15b7a5715e983cf5aa092c4266e9a. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a3e99a7d-67d4-4353-8f88-c6556845314b.json and https://artists.proofprofile.net/proofs/artist/a3e99a7d-67d4-4353-8f88-c6556845314b.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 0x7a4e0ffed06f4569b16fddc9d2df08dd7c80bdd438ecc60226b30b1cb97b94fe. 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/DEVU51811139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49be33d262c0d6a8669c5538ad827ca2deb37551008b426f74b06d9484ac5c95. 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/DEVU51811149.
Pop Español de los 60's, Vol. 1 - Cuéntame, Flamenco, La Chica Ye-Ye... (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe213f41825c62728aa112b2955b9e5a53a7c2f9063a9007552a5d5f9ce9c43c. 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/ES71G1307145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b8c0a3ecd0e2eca37af72d5ac9112ca97008b999ef415b479d5a746f0607d9. 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/ES71G1307146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70dfdf15b7db5ed93897014bc25f278f1e6badd0c5d846b906b4fcd634698454. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/ES71G1307153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ca3294746131161ed8e3bc790fcb969813c85fb6d6d6b649acd5f77de56b2e. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/ES71G1307154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dc75492252722dd3be8721f0292839139b303511f7ee80f74a0b8224f9fd3b7. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/ES71G1307161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34f1369735c749ec45bf09733d726d41289089e65be60bf57953fbe3dfb044d0. 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/ES71G1307162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9cd4553e69a821ba4cc1704c9fd92d5d66243d8f7184e6440a681daf27756b2. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/ES71G1307164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd079b1212310848cf48fa90ffc3985f42845a019a7cc48d1e83de6383326dd8a. 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/ES71G1307166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5056816fb8240c52e862ed422527c1ca65ac84f5043bdfe95cbe69623cc7f2f4. 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/ES71G1307171.
La Leyenda del Price. 50 Aniverrsario (1962 - 1964) - Las 100 Canciones de las Matinales
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48e1d862d82aa12223ae62978627b8d27b66d857ebca11d09734cb4bb87a6e94. 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/ES6341200045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7711027b484d7ba325a9f171e26ade30e5bb945ced291945028bc8dcb88c7b3. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/ES6341200027.
Lo Mejor de los Años 60, Vol. 1 Rock Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f513a967adf4ea1d317dde19216af198345742ee6836355ff8cb90f76db9eb2. 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/QM6P41444652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ac150da24ed29f0479de3ca5b4a74dadbbdaa356c3e703c6324cead66640d5. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/QM6P41444661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffa5ab888906e7a091aac19fc72e263f2c73c4eebb4b2095d066c9b362114d7. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QM6P41444662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71cdd85ea6410617025e3e63d25e6cade5fe5c89328297df689eb3d67dd59c39. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QM6P41444664.
Lo Mejor de los Años 60, Vol. 10 el Verano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6443c868f167c8658dcfae6b84c3718e860d4eb5331ae26a99b41c8bb796974. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QM6P41450770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2438ece25563357150b64b0dd141c8005d444c17291fb6bbd0f1951f558542f1. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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/USA371197087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a18bfbe526f7a00297210fe04681c5df46ad68f12c6fc7bb667521521005aa. 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/ES64A0927514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae9cf6b34710a3ce9f837e1d7d90ed7845328c074fd994f2e4331837550c2019. 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/ES64A0927523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c3c90f6c3121da72e186643392fea3c9f7cb18729a59001722928b35938e00. 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/ES6341100805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cda61dd90c8b157bbeb1e2d58067e62c6744bfa61699f3bfb3f9092f59dbe1e. 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/ES6341100817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd703aee393c7b111317e3553fda0388317c6a667043425cb876b09d17ba0af. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/USESK0619408.
Gipsy Twist Vol.1; Exotica Flamenco Influenced Rockin´ Twist And Other Sounds From Spain
Leyendas del Pop Rock Español Vol. 13 (Spanish Pop Rock Legends)
Gipsy Twist Vol.2; Exotica Flamenco Influenced Rockin´ Twist And Other Sounds From Spain
Best Of Twist-O-Rama Records, Vol. 2 - Twist and Rock&Roll
Lo Mejor del Pop Español de los 60 Vol. 7
The Best of Spanish Pop from the 60's Vol. 7
Best Of Twist-O-Rama Records, Vol. 3 - Twist and Rock&Roll