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 0xc91a604b5cea7c379e56f11f98ddb0c7c24f2825f6bc6b527e633fcefeadae97. 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/3d66d791-04a3-4456-acaa-3a1bc272d8a5.json and https://artists.proofprofile.net/proofs/artist/3d66d791-04a3-4456-acaa-3a1bc272d8a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Volume 2 - The Spirit of Togetherness, Rerecorded and Remastered
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 0x2250b523d672d7d807b7f02f76a3b696782afdba127a47262b341334221ee808. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/485VvZd9J3H5BeFRBAF0bz.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/485VvZd9J3H5BeFRBAF0bz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e289382c3fb3f7c6c49aed420b750a6d207363174de630395e84dc6535f6a7. 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/4mhdUk66YWDw0EgsVgW9Oz.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/4mhdUk66YWDw0EgsVgW9Oz.
Ghana Hima - DeejayKul meets Soultechnic Remix
{"copyright_id":"0x0df17aed6b5b9c674debaa737cf646cbec6a56f0834e108d6c6d0ae8a275c0e2","isrc":"USCCW1610910","name":"Mystic Molay - Umoja Remix","registered_at":"2026-06-25T18:57:00Z","spotify_id":"1zyf4EuetkjrKHN3i8WFxZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df17aed6b5b9c674debaa737cf646cbec6a56f0834e108d6c6d0ae8a275c0e2. 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/1zyf4EuetkjrKHN3i8WFxZ.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/1zyf4EuetkjrKHN3i8WFxZ.
{"copyright_id":"0xcb83c6dac993f4dc86ac8552fbcef18b031290e7d080fdf062c8e6e3f4a2b109","isrc":"FR6Z71400058","name":"I Love Music - Umoja Edit","registered_at":"2026-06-21T11:03:25Z","spotify_id":"4ARKWFPq1w1o6rDeNeEh7B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb83c6dac993f4dc86ac8552fbcef18b031290e7d080fdf062c8e6e3f4a2b109. 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/4ARKWFPq1w1o6rDeNeEh7B.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/4ARKWFPq1w1o6rDeNeEh7B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c092987c9c98f079ec705e0ee108a4d03fa5fb94813e14059fc39768106f140. 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/4s3yJWnAJMwrD8RG1rLrm6.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/4s3yJWnAJMwrD8RG1rLrm6.
Galletas Calientes Present: Palenque Records AfroColombia Remix, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b0a05aac8d3a8d40cdc1fe1cf38fad297d7626ec37155e088c2a523da94f117. 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/0n6bSGZ2JQwzBf44mN2LOU.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/0n6bSGZ2JQwzBf44mN2LOU.