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 0x342ec79b45b8429a6e04a22ec8a9caea624dbe3ca0ed04b6eecb9baf5dd192e4. 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/1021b01b-1567-494f-8947-fc56b0382d58.json and https://artists.proofprofile.net/proofs/artist/1021b01b-1567-494f-8947-fc56b0382d58.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x86a188d13a69cf844e9e38927f5ea8197c2c2257fb6f1a1f49bae6dc17cc42c9","isrc":"QZHN81983748","name":"Lonely Lovers","registered_at":"2026-06-29T12:28:13Z","spotify_id":"7n0VR8JCcwKkeVDFEuJJM7","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 0x86a188d13a69cf844e9e38927f5ea8197c2c2257fb6f1a1f49bae6dc17cc42c9. 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/7n0VR8JCcwKkeVDFEuJJM7.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/7n0VR8JCcwKkeVDFEuJJM7.
Forever Young (So Little Time) - Xennon Remix
The Homecoming Dance - Millennium Falck Remix
West Coast Dreams - Corrupted Machines Remix
{"copyright_id":"0xa08dee5fae2c6c8a37178e5830f3333ac7f5cbff00a23b7bb78aa4a73b802bf4","isrc":"QZES72147857","name":"Love Somebody","registered_at":"2026-06-29T12:29:58Z","spotify_id":"0NAFffKymnvpwgj6spex4Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa08dee5fae2c6c8a37178e5830f3333ac7f5cbff00a23b7bb78aa4a73b802bf4. 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/0NAFffKymnvpwgj6spex4Z.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/0NAFffKymnvpwgj6spex4Z.
Girls Just Wanna Have Fun - Live in Studio
{"copyright_id":"0xdb45092cf4d086a294e63ad99b6ba81e97ad6c356bede7cdb397e4e83d8537d2","isrc":"QZNWR2373753","name":"Back in Time","registered_at":"2026-06-29T12:25:12Z","spotify_id":"0KA7P6SdQpj5aR2MqtMghD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb45092cf4d086a294e63ad99b6ba81e97ad6c356bede7cdb397e4e83d8537d2. 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/0KA7P6SdQpj5aR2MqtMghD.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/0KA7P6SdQpj5aR2MqtMghD.
Someone Somewhere in Summertime - re-Vamped Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e35710c3c285f5637409d7759640a8b49129d0b8125f78f6cd61af6723c476. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16yywmt7VyjZdsZQHuvzDo.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/16yywmt7VyjZdsZQHuvzDo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e35710c3c285f5637409d7759640a8b49129d0b8125f78f6cd61af6723c476. 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/3aWd8hCC3GUEs7BzaNJt5B.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/3aWd8hCC3GUEs7BzaNJt5B.
West Coast Dreams (Revisited - Studio Recut)
West Coast Dreams - Revisited - Studio Recut