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 0x2edf7cfc44828f9201c66b8bb9f98528b44b9d67436f267cf0c9dcf4e96b37d4. 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/021618a4-ef9d-4a85-bece-16a5780c7d40.json and https://artists.proofprofile.net/proofs/artist/021618a4-ef9d-4a85-bece-16a5780c7d40.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rain (From "Fullmetal Alchemist: Brotherhood")
My Best Friends in the World (What Am I to You?) [From "Adventure Time"]
Hikoukigumo (Lo-Fi Hip-Hop) [From "The Wind Rises"]
Hikoukigumo (Orchestration) [From "The Wind Rises"]
Hikoukigumo (Ambient Piano) [From "The Wind Rises"]
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 0xa02e22074046ee2a39db1e9758acdfc8351ae53539481c06ea6faf9221315960. 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/7JHK5KNKVx2kMAIqbypwcV.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/7JHK5KNKVx2kMAIqbypwcV.
Again (From "Fullmetal Alchemist: Brotherhood")
I'm Gonna Fly (From "Kiki's Delivery Service")
The Tatara Women Work Song (From "Princess Mononoke")
Shouts of Smooth Criminals Are in the Air Tonight
With Each Slow Step, We Learned to Dance
Modoc Nation: An Untold Story of Survival (Original Motion Picture Soundtrack)
Lost Songs of the Back Catalog Variety, Vol. 1
Lost Songs of the Back Catalog Variety, Vol. 2
A Lighthearted Instrumental Christmas Back Catalog