ISRC DEF058301314
Verified recording
DEF058301314 is “Piano Sonata No. 12 in A-Flat Major, Op. 26 "Funeral March": IV. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xdbcd69757d3d7c4f24b5f042b2d4329a8b1df9f2d1dbe06a04637a4be963f6ad 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/DEF058301314.
Recording identifiers
- ISRC
- DEF058301314
- Title
- Piano Sonata No. 12 in A-Flat Major, Op. 26 "Funeral March": IV. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xdbcd69757d3d7c4f24b5f042b2d4329a8b1df9f2d1dbe06a04637a4be963f6ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e683fe854ddf488c5d6bf1417ad2639dea57a62e1750cb2b6a63b1efc520c40a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058301314
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 12 in A-Flat Major, Op. 26 "Funeral March": IV. Allegro · Machine-readable JSON-LD