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 0x68d01c95f9932e8bc005da08f50192b55a1c23f1a14e229e3d4fbce3bed9dbbf. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e50361d3-2396-4999-b7e0-afcf18fba940.json and https://artists.proofprofile.net/proofs/artist/e50361d3-2396-4999-b7e0-afcf18fba940.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 0x67008ffa7af4d2e8f2f35b7c6d670b09327e9089453a7bce25b8b78bd7223cff. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3po36dia1jvyPplG3NKlAe.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/3po36dia1jvyPplG3NKlAe.
{"copyright_id":"0x075e809d2b2014bb3303cb48faf71ec9be27ffc72404c93dec79112f5bc35d61","isrc":"FR9W12435660","name":"Sweet Summertime - Faul & Wad Remix","registered_at":"2026-06-10T03:24:25Z","spotify_id":"0kXOci6xImGiZJIvwgnOgr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075e809d2b2014bb3303cb48faf71ec9be27ffc72404c93dec79112f5bc35d61. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0kXOci6xImGiZJIvwgnOgr.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/0kXOci6xImGiZJIvwgnOgr.
{"copyright_id":"0x075e809d2b2014bb3303cb48faf71ec9be27ffc72404c93dec79112f5bc35d61","isrc":"FR9W12435660","name":"Sweet Summertime - Faul & Wad Remix","registered_at":"2026-06-10T03:24:25Z","spotify_id":"2cMVaZZ5hHRMivWeKYaoVb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075e809d2b2014bb3303cb48faf71ec9be27ffc72404c93dec79112f5bc35d61. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2cMVaZZ5hHRMivWeKYaoVb.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/2cMVaZZ5hHRMivWeKYaoVb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50417a360d6fac2849da05197efd2cf8a78761c830049a114b3c5676b739c5ab. 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/0RHRB0grE83dPnwFUpYL1A.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/0RHRB0grE83dPnwFUpYL1A.
{"copyright_id":"0xc3b0cc527e274a3db485d7fb09fcdaf23d1fb169d5485c44caebb100a4a42dc2","isrc":"FR9W12231516","name":"Bleu dans le ciel","registered_at":"2026-06-17T23:43:29Z","spotify_id":"0XZeARAFrAiZG83ABUGFKR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3b0cc527e274a3db485d7fb09fcdaf23d1fb169d5485c44caebb100a4a42dc2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0XZeARAFrAiZG83ABUGFKR.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/0XZeARAFrAiZG83ABUGFKR.
{"copyright_id":"0x7e7fc8a6e5886cedecf37a6ce40cfdb8761f0394f1c6e57542f2bfa2c2e37388","isrc":"FR9W12419035","name":"Sweet Summertime","registered_at":"2026-06-07T07:15:21Z","spotify_id":"5JM9neRyaWOJoPYy6R19Wr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e7fc8a6e5886cedecf37a6ce40cfdb8761f0394f1c6e57542f2bfa2c2e37388. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JM9neRyaWOJoPYy6R19Wr.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/5JM9neRyaWOJoPYy6R19Wr.
{"copyright_id":"0xf159ff53785c131c952aceec1eed5164343f70cc6dfddab4c1f3c8e15e033935","isrc":"FRU702100245","name":"Mexican Holiday - Montmartre Remix","registered_at":"2026-06-18T15:22:26Z","spotify_id":"1AVHLM3QrxSM3CWAFYEl9Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf159ff53785c131c952aceec1eed5164343f70cc6dfddab4c1f3c8e15e033935. 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/1AVHLM3QrxSM3CWAFYEl9Z.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/1AVHLM3QrxSM3CWAFYEl9Z.
{"copyright_id":"0x1ef390128648cea9dfb18dd45a7c0ac6533aedd0c1608a1cae43d7f142c9bea6","isrc":"FR9W12435658","name":"Sweet Summertime - Nounours Remix","registered_at":"2026-06-24T13:59:35Z","spotify_id":"73sYd9xaoahqseHcePrAMo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef390128648cea9dfb18dd45a7c0ac6533aedd0c1608a1cae43d7f142c9bea6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/73sYd9xaoahqseHcePrAMo.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/73sYd9xaoahqseHcePrAMo.
{"copyright_id":"0x1ef390128648cea9dfb18dd45a7c0ac6533aedd0c1608a1cae43d7f142c9bea6","isrc":"FR9W12435658","name":"Sweet Summertime - Nounours Remix","registered_at":"2026-06-24T13:59:35Z","spotify_id":"1Ig80X6JmWynfiYhHuSMiW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef390128648cea9dfb18dd45a7c0ac6533aedd0c1608a1cae43d7f142c9bea6. 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/1Ig80X6JmWynfiYhHuSMiW.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/1Ig80X6JmWynfiYhHuSMiW.
{"copyright_id":"0x075e809d2b2014bb3303cb48faf71ec9be27ffc72404c93dec79112f5bc35d61","isrc":"FR9W12435660","name":"Sweet Summertime - Faul & Wad Remix","registered_at":"2026-06-10T03:24:25Z","spotify_id":"5VYXZbmdTCbrd01pflPGG8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075e809d2b2014bb3303cb48faf71ec9be27ffc72404c93dec79112f5bc35d61. 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/5VYXZbmdTCbrd01pflPGG8.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/5VYXZbmdTCbrd01pflPGG8.
{"copyright_id":"0x20fb63d78b1dfb0b684a9557df878d5cbe0547d6e0cf3480b1bb642fa0bb6c8d","isrc":"FRX852306300","name":"Wayo Waya - Montmartre Remix","registered_at":"2026-06-25T19:29:53Z","spotify_id":"5j4uEsUW3pgqrGpZGR7u02","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20fb63d78b1dfb0b684a9557df878d5cbe0547d6e0cf3480b1bb642fa0bb6c8d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5j4uEsUW3pgqrGpZGR7u02.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/5j4uEsUW3pgqrGpZGR7u02.
{"copyright_id":"0x20fb63d78b1dfb0b684a9557df878d5cbe0547d6e0cf3480b1bb642fa0bb6c8d","isrc":"FRX852306300","name":"Wayo Waya - Montmartre Remix","registered_at":"2026-06-25T19:29:53Z","spotify_id":"4vqAe8u3aMwXNp4YhU8RfT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20fb63d78b1dfb0b684a9557df878d5cbe0547d6e0cf3480b1bb642fa0bb6c8d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vqAe8u3aMwXNp4YhU8RfT.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/4vqAe8u3aMwXNp4YhU8RfT.
{"copyright_id":"0x20fb63d78b1dfb0b684a9557df878d5cbe0547d6e0cf3480b1bb642fa0bb6c8d","isrc":"FRX852306300","name":"Wayo Waya - Montmartre Remix","registered_at":"2026-06-25T19:29:53Z","spotify_id":"2GYSRJtTij4jVEF7GmDFqG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20fb63d78b1dfb0b684a9557df878d5cbe0547d6e0cf3480b1bb642fa0bb6c8d. 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/2GYSRJtTij4jVEF7GmDFqG.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/2GYSRJtTij4jVEF7GmDFqG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22325f4e8463680e78b5e6f3675b46a7f56e36b2fb77e9cd345fa23df4f45185. 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/5MctBX8S4ks5Yr0fU66dOh.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/5MctBX8S4ks5Yr0fU66dOh.
Mexican Holiday (Montmartre Remix) - Mixed
Kitsuné Musique Mix by GOODGOODBYE (DJ Mix)