1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x260482d3770a1895641e3488db1f645d0763e2170b5fd24e562d4397243fceff. 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/d7cc88f5-28a0-4757-8237-ccb4c051c51b.json and https://artists.proofprofile.net/proofs/artist/d7cc88f5-28a0-4757-8237-ccb4c051c51b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c84963f94da718496bd2e34412917aa6e29d6d075f79b10198244166800256. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DCikY3NbEpBjFULAFu8Bj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DCikY3NbEpBjFULAFu8Bj.
{"copyright_id":"0x9a232b8d0670365ef0169cca1514457503370afd7fe228d981cde0ef62621eaa","isrc":"ESA061908875","name":"Ni Tú Ni Yo (Buleria de Jerez)","registered_at":"2026-06-25T12:44:33Z","spotify_id":"3fOUxeLejmnKaWIClVSbae","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a232b8d0670365ef0169cca1514457503370afd7fe228d981cde0ef62621eaa. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fOUxeLejmnKaWIClVSbae.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fOUxeLejmnKaWIClVSbae.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c80d8fdcc602a52f8c37330a8637296b1602de174dbbd9a208c6a8ec71aa891. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wPbk9YmK7uxsG7dOlohwz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wPbk9YmK7uxsG7dOlohwz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f236582866dc409383682c5d080de9ee1ba81acb881842c640fd09ec1dc22e2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wjCatKgVU7qxUM6Kbc2e3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wjCatKgVU7qxUM6Kbc2e3.
{"copyright_id":"0x1c5d931fa5eaffb4f66c819711bde6367f80523cbeaea27fc8c982fa0194989b","isrc":"ES04D1600487","name":"No Hay Luz Sin Día","registered_at":"2026-06-08T01:12:54Z","spotify_id":"0kA46WjvLR7KIjCqcud1Vo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c5d931fa5eaffb4f66c819711bde6367f80523cbeaea27fc8c982fa0194989b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0kA46WjvLR7KIjCqcud1Vo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kA46WjvLR7KIjCqcud1Vo.
{"copyright_id":"0x05e40b6b4e5018842a058e012ce5cf7cd8ac415f92fd1016e9cd15ec3360a8da","isrc":"ESA061908882","name":"Buleria de Juanillo Golondrina","registered_at":"2026-06-25T12:44:06Z","spotify_id":"0GuYONcMRX4szBt7BZibzb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e40b6b4e5018842a058e012ce5cf7cd8ac415f92fd1016e9cd15ec3360a8da. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GuYONcMRX4szBt7BZibzb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GuYONcMRX4szBt7BZibzb.
{"copyright_id":"0x306b7949890b79d57b768ed9bfe8f7b283aaba8e663b236585a684c85d27ab55","isrc":"QMBZ92193336","name":"Enciende el Corazón","registered_at":"2026-06-20T12:31:28Z","spotify_id":"0bzzuJiaJgB1vSyKb9Co7w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x306b7949890b79d57b768ed9bfe8f7b283aaba8e663b236585a684c85d27ab55. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0bzzuJiaJgB1vSyKb9Co7w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bzzuJiaJgB1vSyKb9Co7w.
Maita Vende Cá Canta a Florencio Sanchidrián (Aromas De Castaño)
Maita Vende Cá Canta a Florencio Sanchidrián - Aromas De Castaño
Si la Luna Supiera , No Tengo Ni Riqueza Ni Dinero