ISRC ITX921000142
Verified recording
ITX921000142 is “Keyboard Sonata in C Minor, K.11/L.352/P.67 (arr. for guitar)” by Anonymous,
registered on the CopyrightChains blockchain with CopyrightID
0x397011b52c1c4ea39515afddf8728cfa4e10ec0bd146e6314387120da7955d27 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921000142.
Recording identifiers
- ISRC
- ITX921000142
- Title
- Keyboard Sonata in C Minor, K.11/L.352/P.67 (arr. for guitar)
- Artist
- Anonymous
- CopyrightID (CopyrightChains transaction hash)
0x397011b52c1c4ea39515afddf8728cfa4e10ec0bd146e6314387120da7955d27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c21fab8e2c7b185834d155712fd253a70e03b2228ad6e3b17bba79f43b675d38- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921000142
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Keyboard Sonata in C Minor, K.11/L.352/P.67 (arr. for guitar) · Machine-readable JSON-LD