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 0x3acd89f6bba87cd7fc2ab62f140af5627d621060df6f040c418b9b596d30ba61. 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/e9814fdb-71d8-4fac-91d4-10653793cf36.json and https://artists.proofprofile.net/proofs/artist/e9814fdb-71d8-4fac-91d4-10653793cf36.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cocoon (Martin Garrix & Space Ducks Remix)
Cocoon - Martin Garrix & Space Ducks Remix
{"copyright_id":"0x0b87ae008a5eec148485411c6e0fcb95631159053bf0869ae847e8b6819e8f2b","isrc":"USUM72300082","name":"Cocoon - Martin Garrix & Space Ducks Remix","registered_at":"2026-06-04T08:49:13Z","spotify_id":"6IqVq76K6UuJdYwZFgXosQ","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 0x0b87ae008a5eec148485411c6e0fcb95631159053bf0869ae847e8b6819e8f2b. 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/6IqVq76K6UuJdYwZFgXosQ.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/6IqVq76K6UuJdYwZFgXosQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e16432c42aad1607d8bc64ba0d3d23ca29deed94e6561071de7dbd386649ce. 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/5mHdCZtVyb4DcJw8799hZp.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/5mHdCZtVyb4DcJw8799hZp.
Actual Life 3 (January 1 - September 9 2022)
{"copyright_id":"0x6d53d4aa0bf343f51728a5cfe5adb871321762021de19f9a4d535a1bce18518c","isrc":"GBAHS2300020","name":"Danielle (smile on my face)","registered_at":"2026-06-01T10:25:30Z","spotify_id":"09Rv6ctDE0t9z8zk5FINg8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d53d4aa0bf343f51728a5cfe5adb871321762021de19f9a4d535a1bce18518c. 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/09Rv6ctDE0t9z8zk5FINg8.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/09Rv6ctDE0t9z8zk5FINg8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ec0db5b899dd3ef4a715f7613b0648dc2d86c24b2920d09a529d5a0c9806ba. 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/351h4cacX88t9xzpMD4WIF.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/351h4cacX88t9xzpMD4WIF.
My Night (feat. 070 Shake) - Hugo Massien's Maximized Remix
My Night (feat. 070 Shake) - S-Type Remix
My Night (feat. 070 Shake) - Hugo Massien's Minimized Remix
{"copyright_id":"0xa0ccb170424ec10f63bcb17b3f115adeed1304d0a1e6e7374ae9d5c9e4e9c7ad","isrc":"USDM31898405","name":"My Night (feat. 070 Shake)","registered_at":"2026-06-07T12:28:10Z","spotify_id":"2NDTONprnwP8R166A0aNLj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0ccb170424ec10f63bcb17b3f115adeed1304d0a1e6e7374ae9d5c9e4e9c7ad. 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/2NDTONprnwP8R166A0aNLj.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/2NDTONprnwP8R166A0aNLj.
{"copyright_id":"0xa0ccb170424ec10f63bcb17b3f115adeed1304d0a1e6e7374ae9d5c9e4e9c7ad","isrc":"USDM31898405","name":"My Night (feat. 070 Shake)","registered_at":"2026-06-07T12:28:10Z","spotify_id":"2jAxpflkjrCJX8ECZM36JM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0ccb170424ec10f63bcb17b3f115adeed1304d0a1e6e7374ae9d5c9e4e9c7ad. 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/2jAxpflkjrCJX8ECZM36JM.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/2jAxpflkjrCJX8ECZM36JM.
The Lion King: The Gift [Deluxe Edition]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e2b6f6b5a03e8dc310d2e1070c99c84e2e4b7687db241135152c9491ef3c62. 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/08xkNDko1wfeqOZdkCXC9K.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/08xkNDko1wfeqOZdkCXC9K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e2b6f6b5a03e8dc310d2e1070c99c84e2e4b7687db241135152c9491ef3c62. 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/1k9bH40gL6lCMIgHOsTDP8.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/1k9bH40gL6lCMIgHOsTDP8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5762ad4021e9ad355e894d2367444306158f870b8913c3538e0c2a3d9e258327. 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/0WGi0Wz7l0Czqlx40OlbNo.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/0WGi0Wz7l0Czqlx40OlbNo.
Lifetime (with Ty Dolla $ign & 070 Shake)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77036d17b20626cac61560b87ba052f26b25edfd373b051b99b309ac551875f9. 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/3QqHt507QJZCzluEYsnv4u.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/3QqHt507QJZCzluEYsnv4u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ae4b737ef635aa4dbff7528ec5f60b1760069b9b7f42f550ee83ba9e5b1015a. 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/2SRix5fTELKwEWn2qCV3Fj.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/2SRix5fTELKwEWn2qCV3Fj.
{"copyright_id":"0xf832a62f1b1ab31331b5ac0d839b7b3a046ca2163c2fd136b36595141e6dcbf9","isrc":"USA2P2324650","name":"Pour Your Heart Out (feat. 070 Shake)","registered_at":"2026-06-04T10:04:25Z","spotify_id":"2jQkrC3HcYRhJCHpeYco9u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf832a62f1b1ab31331b5ac0d839b7b3a046ca2163c2fd136b36595141e6dcbf9. 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/2jQkrC3HcYRhJCHpeYco9u.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/2jQkrC3HcYRhJCHpeYco9u.
{"copyright_id":"0xf832a62f1b1ab31331b5ac0d839b7b3a046ca2163c2fd136b36595141e6dcbf9","isrc":"USA2P2324650","name":"Pour Your Heart Out (feat. 070 Shake)","registered_at":"2026-06-04T10:04:25Z","spotify_id":"6pwFCidfiQhNamEf9QNJKP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf832a62f1b1ab31331b5ac0d839b7b3a046ca2163c2fd136b36595141e6dcbf9. 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/6pwFCidfiQhNamEf9QNJKP.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/6pwFCidfiQhNamEf9QNJKP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf832a62f1b1ab31331b5ac0d839b7b3a046ca2163c2fd136b36595141e6dcbf9. 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/4p16E9c9Ig6xFMGS3Y82mT.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/4p16E9c9Ig6xFMGS3Y82mT.