ISRC DEF059703254
Verified recording
DEF059703254 is “Piano Sonata No. 12 in A-Flat Major, Op. 26: IV. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xa183549711bf5b4913818af70a6d2df7d35ecaee766c7a42c63f7bdf32ec7c7f and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703254.
Recording identifiers
- ISRC
- DEF059703254
- Title
- Piano Sonata No. 12 in A-Flat Major, Op. 26: IV. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xa183549711bf5b4913818af70a6d2df7d35ecaee766c7a42c63f7bdf32ec7c7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:548ccd8463a48f0da06b05431a512bb1530c1d7cda1d58165f16816b923d5664- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703254
- Bitcoin block existence check
- https://blockstream.info/api/block/960296
Full record
Track page: Piano Sonata No. 12 in A-Flat Major, Op. 26: IV. Allegro · Machine-readable JSON-LD