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 0x4b7ad4f4c534a185030b2818e9c41dbd227a646028cf1f2189f27fc395e1a181. 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/950b03cb-ad3f-4f19-a658-09533e1b669e.json and https://artists.proofprofile.net/proofs/artist/950b03cb-ad3f-4f19-a658-09533e1b669e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You've Been Doing Me Wrong for So Long Now
Someone Oughta Write a Song About You Baby
Someone Oughta Write a Song (About You Baby)
Someone Oughta Write a Song (about You Baby) / Mr. Heartbreak
Someone Oughta Write a Song (about You Baby)
{"copyright_id":"0xee898613ed2c11564b6e44d61e8dcb1ef017959da56bc0bbbdb82ccdbdb93143","isrc":"GBBHK7700060","name":"Let Me Take You to the Sun","registered_at":"2026-06-29T03:39:42Z","spotify_id":"7n5r9bQEgdXpsGKvqq98sV","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 0xee898613ed2c11564b6e44d61e8dcb1ef017959da56bc0bbbdb82ccdbdb93143. 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/7n5r9bQEgdXpsGKvqq98sV.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/7n5r9bQEgdXpsGKvqq98sV.
Heartache No. 9 - Special Re-Mix Version
{"copyright_id":"0x9c7d497e5111d0d5bacdad0ee53291d0fad63af766919ce0714ade31b9e29464","isrc":"GBBBN8302045","name":"It's Your Turn - Extended Version","registered_at":"2026-06-29T03:40:41Z","spotify_id":"5PNFUDPcIFoSlP0R8yHXE1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c7d497e5111d0d5bacdad0ee53291d0fad63af766919ce0714ade31b9e29464. 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/5PNFUDPcIFoSlP0R8yHXE1.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/5PNFUDPcIFoSlP0R8yHXE1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8513ce8d9bed826280c20e3364331837564eadd5893f3304b8c08e7fa2bec50. 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/5D7UzDleG1y4NhWzC02Tr5.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/5D7UzDleG1y4NhWzC02Tr5.
Where Is The Love (We Used To Know) - Original
Delegation's Stand Up (Reach For The Sky)
Stand Up (Mr Smith & Save The Robots Remix)
Stand Up - Mr Smith & Save The Robots Remix
70's - 80's - 90's Party Collection, Vol.1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc98327e7db3e256987d7ea2090a61dea2420dd2eeed07c97318835a5157164eb. 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/1tWiA4o8PWXvSIQ2BZjqww.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/1tWiA4o8PWXvSIQ2BZjqww.
70's, 80's, 90's Party Collection Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68f67b588e70fb98f0db6e92916591f4b062fe608485339a2317f408dc9adb4f. 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/7q0s4A7b36zyj6Vg6CS2N5.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/7q0s4A7b36zyj6Vg6CS2N5.
Disco Juice (Essential Summer Jams 2024)