ISRC DEF056400293
Verified recording
DEF056400293 is “Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x4b3b0a6fbaaa02027b0a6409a71595f9fe61078c415af740f05ccbb93df165c8 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400293.
Recording identifiers
- ISRC
- DEF056400293
- Title
- Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x4b3b0a6fbaaa02027b0a6409a71595f9fe61078c415af740f05ccbb93df165c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:9a90464ee31827a365921b1397bc169992a3b8a996595932db167822a729586e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400293
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo · Machine-readable JSON-LD