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 0xb764251eb4ee3bf49925d8ae073000d851694f748eac2ddf12f5d07e4672c132. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f2ce94bb-c17a-4fd0-8ecf-beb379c9b042.json and https://artists.proofprofile.net/proofs/artist/f2ce94bb-c17a-4fd0-8ecf-beb379c9b042.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ghosts of Artificial Trees (MarcoSouzaa Remix)
Sometimes I Feel Lonely (Piano Cover Album vol 1)
{"copyright_id":"0x38ebe3b6c7d613556650d7e6f338f1da6bd80dc2aedce07423de9eced70d86c8","isrc":"QZK6L2137046","name":"Secret Garden","registered_at":"2026-06-04T07:46:35Z","spotify_id":"6YsCg4Oj3LgCxcESqmnDdP","type":"track"}
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 0x38ebe3b6c7d613556650d7e6f338f1da6bd80dc2aedce07423de9eced70d86c8. 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/6YsCg4Oj3LgCxcESqmnDdP.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/6YsCg4Oj3LgCxcESqmnDdP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7f0f0e3243eb0d0b2f33594622fdf8d0b0bf51b115f28da83ae97cef7f8888. 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/7H9ff109Wudm1d67jx5Tf3.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/7H9ff109Wudm1d67jx5Tf3.
{"copyright_id":"0x7912c76310c041eed4aaed6fcc5a23a0684b7b41525d08b90e515d8d0a2c16db","isrc":"QZK6L2137057","name":"Secret Garden - Kamex Remix","registered_at":"2026-06-06T18:19:05Z","spotify_id":"7s7HGD3yLXruL6YMfQIWTG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7912c76310c041eed4aaed6fcc5a23a0684b7b41525d08b90e515d8d0a2c16db. 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/7s7HGD3yLXruL6YMfQIWTG.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/7s7HGD3yLXruL6YMfQIWTG.
{"copyright_id":"0xf6e0ce5fd42879e8575861d3e8c32f6be100edaa9c34424536a2173ab8508fb2","isrc":"QZWFK2314593","name":"Lullaby of the False Hydra","registered_at":"2026-06-06T13:26:29Z","spotify_id":"4JSmmegp9Zw6YruH7ObydV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e0ce5fd42879e8575861d3e8c32f6be100edaa9c34424536a2173ab8508fb2. 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/4JSmmegp9Zw6YruH7ObydV.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/4JSmmegp9Zw6YruH7ObydV.
Lullaby of the False Hydra - Instrumental Version
Lullaby of the False Hydra - Acapella Version
{"copyright_id":"0x2f2555c7c3293f72df332723871eba5f5645ca8099f81e2b65fc715411deadf8","isrc":"QZWFK2314595","name":"Lullaby of the False Hydra - Acapella Version","registered_at":"2026-06-20T13:12:42Z","spotify_id":"6Pn8JIkp8dnvUQQbvnDvpW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f2555c7c3293f72df332723871eba5f5645ca8099f81e2b65fc715411deadf8. 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/6Pn8JIkp8dnvUQQbvnDvpW.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/6Pn8JIkp8dnvUQQbvnDvpW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5c36b3c8bc487e440d329b92dbe9942355caf48e99122f8e645ec3e48c7a3d. 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/0ZFlh5v08s6WwkVv1ObMy7.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/0ZFlh5v08s6WwkVv1ObMy7.
{"copyright_id":"0x80291225d621a9271bb9fec766d27f81ed47f9caedf5bbe0d52ec0dff4e808e5","isrc":"QZHN81963743","name":"Secret Garden - Instrumental","registered_at":"2026-06-11T20:27:36Z","spotify_id":"5y9eHRCI4KhjNqkrNlchCd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80291225d621a9271bb9fec766d27f81ed47f9caedf5bbe0d52ec0dff4e808e5. 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/5y9eHRCI4KhjNqkrNlchCd.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/5y9eHRCI4KhjNqkrNlchCd.
A Wicked Girl and a Tin Boy (feat. Vocaloid Dex & Daina)
{"copyright_id":"0x6333eb7607b9ad4e13f41dcc6704dbad0e5a8bee4bdb8054b721e9f52fd709cd","isrc":"GBSMU2313615","name":"Two Weeks (feat. Vocaloid Dex)","registered_at":"2026-06-25T07:33:31Z","spotify_id":"21zOd0f3NEqgpakVQRiPLV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6333eb7607b9ad4e13f41dcc6704dbad0e5a8bee4bdb8054b721e9f52fd709cd. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/21zOd0f3NEqgpakVQRiPLV.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/21zOd0f3NEqgpakVQRiPLV.
A Wicked Girl and a Tin Boy (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe19d63cf2cc1f721700128d3f5a64ae3dbaae7bdb39965db88b0776d29a13932. 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/7BmxvFrMXz1b4BiHuLS33f.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/7BmxvFrMXz1b4BiHuLS33f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x898f0d6b8954973c05bcacc014ca8b76ba00141fb67d1b49cc356b978b143323. 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/31x9aVU4Gf4u6032FQHaCt.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/31x9aVU4Gf4u6032FQHaCt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925bc6f7e548d8b6523f95a9e6f7c3bc7d83e0f9eba1cf2368343398289a6589. 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/001VVcybqoFwkm1jbvxL4j.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/001VVcybqoFwkm1jbvxL4j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac0571b9523eca9f81edbc72a7b34288f59471ced9685c03db4a324d4a35223. 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/7EY8oWCRRUdQW52PGDI8eT.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/7EY8oWCRRUdQW52PGDI8eT.
{"copyright_id":"0x6c1df92ce51d100c7a1ade71bda77d2e7e0de1d3caf5ea299b2b1ebf6ace5ddc","isrc":"USE830935954","name":"Synthesized Love","registered_at":"2026-06-22T05:44:24Z","spotify_id":"23dbMNEf7CDhrGr5Cze60V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1df92ce51d100c7a1ade71bda77d2e7e0de1d3caf5ea299b2b1ebf6ace5ddc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/23dbMNEf7CDhrGr5Cze60V.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/23dbMNEf7CDhrGr5Cze60V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeedf97f351f03a70864a5b052acc095451fe7848a262e6943e1c64ca2e5541e2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/153unK0cqoFRHyiNv7Uwtn.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/153unK0cqoFRHyiNv7Uwtn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb8a6982149920cc35bce43a5e55d7c06fc4d1fac7ca464bde810cbff347d5aa. 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/3BwwrxU1S0ZZ4sUWvoVnhL.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/3BwwrxU1S0ZZ4sUWvoVnhL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dbe3353158f5dd1f36ee0d652933cf3c40137714ea2f8cad62a76589cfbc16e. 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/57D7OmPL4Sb57wiDgTWQ6I.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/57D7OmPL4Sb57wiDgTWQ6I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ee000eb7cae3541271236ec1d4748f43a24679b5f77b96719263f67d15f17b. 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/4HS0EbKmdDiH6Hc8Hq8oiv.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/4HS0EbKmdDiH6Hc8Hq8oiv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c31bb94899a8c93ac9901f34308c3208012ffa7ce0835e6e83fbbc44670281d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70rU5KCFbWCe5CtWv60POT.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/70rU5KCFbWCe5CtWv60POT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716b825cf1553bcf8997690e6d55bbea716ee8e3d55c2f9d6697b7c49d56bebc. 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/67FfgvJdBce8yBKR615FG1.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/67FfgvJdBce8yBKR615FG1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3365bdf7959f1484c1339be91546ae57768fe0edc08a72f6a8991d0ecf0f3ea3. 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/3ztwXoR7QYQ0lFIB15Y8yc.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/3ztwXoR7QYQ0lFIB15Y8yc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ae78a3c6e918344417db3b510ca376281dfec891398c9f39646d1907ea84bf. 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/6Aq1JzXUm4NOg9fETpSluj.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/6Aq1JzXUm4NOg9fETpSluj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44f06b480b4533f007792576e53093d5d22140beefa8148e24cdc951349c51e0. 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/1VNznZNt1sXuYf5OJ9KK2D.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/1VNznZNt1sXuYf5OJ9KK2D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ebb70a7b8e37b65026650143198454d9fa5f6a5db821abf93a863280557be9d. 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/02O0EmEAZVFThiIrnJMHH5.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/02O0EmEAZVFThiIrnJMHH5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6151ad05e45eb159c404bd82e57ff97dae35c27581aa088507eabeb3495b8af9. 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/7m5Q7OZjDdBAiCgOtvdl3L.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/7m5Q7OZjDdBAiCgOtvdl3L.
{"copyright_id":"0x6b25e2deab920a1894751acfa924b3ed2243875cefb98a6d7d08c9b05800407c","isrc":"QZKDK2294869","name":"Dolphin (I Found You)","registered_at":"2026-06-24T17:40:38Z","spotify_id":"2tnJOs9hkQ7Lb3pbJo2fxg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b25e2deab920a1894751acfa924b3ed2243875cefb98a6d7d08c9b05800407c. 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/2tnJOs9hkQ7Lb3pbJo2fxg.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/2tnJOs9hkQ7Lb3pbJo2fxg.
{"copyright_id":"0xa9c8d87de14c749fb96d76f2ac342023ca0b150e3c00d42f232f912397e709fb","isrc":"QZKDK2276292","name":"Falling out of Love","registered_at":"2026-06-23T10:54:40Z","spotify_id":"6FqbHIkrmZdbVFKK72xYvL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c8d87de14c749fb96d76f2ac342023ca0b150e3c00d42f232f912397e709fb. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FqbHIkrmZdbVFKK72xYvL.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/6FqbHIkrmZdbVFKK72xYvL.
{"copyright_id":"0x040aafd0f74f97e746f7f2eac2379c49e7a97fd98e89ab7cf1eea147c3981510","isrc":"QM42K2290808","name":"Back to Summer","registered_at":"2026-06-24T17:41:48Z","spotify_id":"1Ay9FOH4uBXo3JgiNgFVna","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040aafd0f74f97e746f7f2eac2379c49e7a97fd98e89ab7cf1eea147c3981510. 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/1Ay9FOH4uBXo3JgiNgFVna.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/1Ay9FOH4uBXo3JgiNgFVna.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x479e44eab70c7beeee427f86423c60b5584877c09adb47083dbf0ac7b750821d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4JXmfNlclLXgnWvuziR8Cb.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/4JXmfNlclLXgnWvuziR8Cb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc605a533dc93452f28ac8c04d5e247089748a4c6034cd222962a2af4d95e6c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2co4xHgo80TAuRLIfajFWw.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/2co4xHgo80TAuRLIfajFWw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44fa6b8fc4389be0907879201a256745f1c360bf463aa69935afbd675193e348. 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/67GKXuVqjIYx0R6GwrIm05.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/67GKXuVqjIYx0R6GwrIm05.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd9925645d6e16f24ce4aa7ad2914fd2df3ad8edf56a5885b075638620200601. 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/45MWGqUioakkafGV1hxyGg.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/45MWGqUioakkafGV1hxyGg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f94279c5d2c88faa715d8c5f84843b57aa8d42c17959532a415f451623c09b0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Z2nHWdMqiJ4o1RaaoQyIn.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/5Z2nHWdMqiJ4o1RaaoQyIn.
{"copyright_id":"0x3fbf4ea9b8174ec4273038d2e1efd71365106a9c315af2b4a9237bcc2aedf385","isrc":"QZS662207826","name":"Treat Me (So Right)","registered_at":"2026-06-25T09:02:52Z","spotify_id":"0WNwgDqwby8O9QDmXYVxiK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbf4ea9b8174ec4273038d2e1efd71365106a9c315af2b4a9237bcc2aedf385. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0WNwgDqwby8O9QDmXYVxiK.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/0WNwgDqwby8O9QDmXYVxiK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56e8d857b35dd14b225f54e141615e03f2365680b594e5de4605720c4db37a7. 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/319XmUsoUVC1qD6M6FcKkP.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/319XmUsoUVC1qD6M6FcKkP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c460c77931411ba0c5887c0118cae7120809b867214547202df0466e95100f7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/72OxkvH6GBYKvCxxl6vnUj.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/72OxkvH6GBYKvCxxl6vnUj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50159d93691799f2e5d53dd7db4f90404cfc3c8e578d149a49f35a4460071a2c. 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/2qQOaA4Y092W7UcWYcJpOZ.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/2qQOaA4Y092W7UcWYcJpOZ.
{"copyright_id":"0xa79a7865bf710a4920a7bc4ec81d833603699696cbfeb192091e3d0ba2ba91ae","isrc":"QZMHM2379517","name":"What Should I Say First","registered_at":"2026-06-25T09:02:48Z","spotify_id":"16lnNFiHQDTY8TYDaUw3f8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa79a7865bf710a4920a7bc4ec81d833603699696cbfeb192091e3d0ba2ba91ae. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16lnNFiHQDTY8TYDaUw3f8.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/16lnNFiHQDTY8TYDaUw3f8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79aee5a2d9f66cae818ff2b3d3ed94a794a7c8a745fd58c791547a421d2f4318. 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/47fjkXxf4fTQ8ZpUeTJ7iB.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/47fjkXxf4fTQ8ZpUeTJ7iB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20c98c5f1bd9eb76a446b442a150f9c606518b3726b8e87c07d520b52d3403e. 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/1o99z8cvo6ADrTxGb5BTNr.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/1o99z8cvo6ADrTxGb5BTNr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b871d10e4785e5134472a8e49b5a2c7689fac8a1fe7704062ef330d95f7ab21. 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/0pDvh9T4PrcdYAnNamICdU.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/0pDvh9T4PrcdYAnNamICdU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65293570eda4c14cb2d59566fdcda48240c023700ba5cc3909a3392f5a2bebb4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0AgxMUwMbeN8gnRNZigzlb.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/0AgxMUwMbeN8gnRNZigzlb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x981876d219b4a28f4ec31d37dcd69840df893d86c80b74baae8c99f65d12d720. 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/4EAt1G5fX0yn8meGhY7kJD.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/4EAt1G5fX0yn8meGhY7kJD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cab2e6bb9fb99b605575819ef3f391e5f7036b671c92fc810f77205e0265b1b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3o3yENTSZfc4pCUlz1gbRN.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/3o3yENTSZfc4pCUlz1gbRN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4299e72792322dd8c9147f2d34f7fb109cede7141424f83f3098fdcbf7af0cc8. 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/1SzxFe5HmwyKrcyHGWkoom.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/1SzxFe5HmwyKrcyHGWkoom.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ee9a7895a8498bdc35c6275c1e405b5491889ff047cc66752720d04feb85e5. 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/3rNgoSDbnx0C2pujBKbqky.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/3rNgoSDbnx0C2pujBKbqky.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a59eaece46ca377fa5fe7318bd8f12e0c9c66780629e3c90036a038a431b540. 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/2IJJpCDG0bKZKSFqE5w1Fj.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/2IJJpCDG0bKZKSFqE5w1Fj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fda3530965862e8d311f60379b6bb2b867954ca2823d7816e3959ae789cfe13. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3I8h83TJHN2OUXVJ2bPy7S.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/3I8h83TJHN2OUXVJ2bPy7S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266fc5e2a3eafda8f2f85d577d2fa3efbe234855c97a5be135592e3e1f1960ae. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1lVL5GaPl3HduZUkNJgQvC.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/1lVL5GaPl3HduZUkNJgQvC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x194b215d7f2d21e7fd1fc4b666fc1bb7041e47e92c0157d8727e76969c2b4861. 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/5ZfhKCkHrRm626nXMSI7Lk.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/5ZfhKCkHrRm626nXMSI7Lk.
{"copyright_id":"0x877d9b4d5674fd57dd76acfefbd456ade92791ea575ad23051cb69e137508922","isrc":"QZMHK2321825","name":"Better Off Worse","registered_at":"2026-06-05T09:17:35Z","spotify_id":"0YqQQKNvaKIBvYiexqhApC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877d9b4d5674fd57dd76acfefbd456ade92791ea575ad23051cb69e137508922. 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/0YqQQKNvaKIBvYiexqhApC.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/0YqQQKNvaKIBvYiexqhApC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5735decd46adeb214ae9c5632b70a3430c8ae849111483c4c99c21caaf425335. 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/3rxyOfU6NgpadM6V2ZQxGn.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/3rxyOfU6NgpadM6V2ZQxGn.
Xmas card (feat. Hatsune Miku)[BIGHEAD Remix]
Withness (feat. Hatsune Miku)[BIGHEAD Remix]
Goodbye (feat. Hatsune Miku)[BIGHEAD Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56d64551971654cb2b97e86373aec708741b16332585d49f60db12142a2fb8a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40jQNZivAM7HJBnbckeqdW.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/40jQNZivAM7HJBnbckeqdW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2225a6e020b272de7142211aec59168768afa0a02db4d317b24cd75962a4b005. 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/5SUWqleIQXKfh283ah5YSL.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/5SUWqleIQXKfh283ah5YSL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6151ad05e45eb159c404bd82e57ff97dae35c27581aa088507eabeb3495b8af9. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2PrNJFXeBPBewKsRm2YaAZ.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/2PrNJFXeBPBewKsRm2YaAZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c8d87de14c749fb96d76f2ac342023ca0b150e3c00d42f232f912397e709fb. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5cz8zNsmag7SkW1nHa76ub.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/5cz8zNsmag7SkW1nHa76ub.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040aafd0f74f97e746f7f2eac2379c49e7a97fd98e89ab7cf1eea147c3981510. 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/39TUWrSYo4Q6mlJnvvx4cD.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/39TUWrSYo4Q6mlJnvvx4cD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x479e44eab70c7beeee427f86423c60b5584877c09adb47083dbf0ac7b750821d. 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/2En4jfKoN1f0GE5o89VLEh.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/2En4jfKoN1f0GE5o89VLEh.
Tsujigiri Chuuihou (feat. Vocaloid Gakupo)
La Partida; Calma (feat. Vocaloid Maika)
Sunflowers In Your Eyes (feat. Vocaloid Yohio)
Strobo Nights (DDRKirby Remix) (feat. Vocaloid Hatsune Miku)
{"copyright_id":"0xbd5c5e0fb5835932fbdb12622d95bc0406928d62a9560e0c5568db17b5b99edc","isrc":"GBSMU1825725","name":"Strobo Nights (DDRKirby Remix) (feat. Vocaloid Hatsune Miku)","registered_at":"2026-06-25T18:06:08Z","spotify_id":"75YeJHUuNgtMucF4oZdc7I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5c5e0fb5835932fbdb12622d95bc0406928d62a9560e0c5568db17b5b99edc. 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/75YeJHUuNgtMucF4oZdc7I.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/75YeJHUuNgtMucF4oZdc7I.
Diabetes Mellitus (feat. Vocaloid Kagamine Rin)
Future Fear Paranoia Symptom (feat. Vocaloid Hatsune Miku)
Hard​-​Disk Hide and Seek (feat. Vocaloid Avanna)
In Verbatim (feat. Vocaloid Sweet Ann & Gumi)
Goodbye to a Childhood Friend (feat. Vocaloid Galaco)