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 0x46c2fdd16055f863e06424a2d3cb44c610863d695fe05602ddcf5e1bd7dca6b3. 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/ad6e9d60-10e3-41da-a518-7fbd3b07d3d5.json and https://artists.proofprofile.net/proofs/artist/ad6e9d60-10e3-41da-a518-7fbd3b07d3d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Everybody Loves The Sunshine - Original Mix
{"copyright_id":"0x2ed659e869bf6630b1a3007128c3500e9f749eef4ee1855cbcc2938b811c33a2","isrc":"GBJX38203001","name":"Zion - Original Mix","registered_at":"2026-06-29T11:22:47Z","spotify_id":"4rokVBlGBYbPEHUFsOqdeB","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 0x2ed659e869bf6630b1a3007128c3500e9f749eef4ee1855cbcc2938b811c33a2. 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/4rokVBlGBYbPEHUFsOqdeB.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/4rokVBlGBYbPEHUFsOqdeB.
Escape The System - Par Grindvik I'm Going In Rework
The 5th Dimension - Echoplex Soleil Remix
Escape the System (Pär Grindvik I'm Going in Rework)
The 5th Dimension (Echoplex Soleil Remix)
Offending Public Morality - Dax J Dub Mix
Simulated Reality (AI Terafactory Electronics)
East London Back Alleys (Jungle Techno Mix)
Simulated Reality (Terafactory AI Electronics)
Walking Home From The Club On A Cold Winter Morning
War is Peace, Freedom is Slavery, Ignorance is Strength
{"copyright_id":"0x6eb7eb1d8eca7d779234e83dda6dd11c217a1d63fe7552024f115874cb8bc5b0","isrc":"NLCK42415974","name":"Anti Gravity Racing","registered_at":"2026-06-29T11:26:21Z","spotify_id":"10ojD6JkW52sGLloccL9vi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb7eb1d8eca7d779234e83dda6dd11c217a1d63fe7552024f115874cb8bc5b0. 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/10ojD6JkW52sGLloccL9vi.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/10ojD6JkW52sGLloccL9vi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa929b8d3d63ffe2c16166901a726c14783279487150ec92d5a34ab857c4b512c. 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/7fAHNgW5xSu6NTcZ2CZDfG.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/7fAHNgW5xSu6NTcZ2CZDfG.