ISRC FRZ111201423
Verified recording
FRZ111201423 is “Beethoven: Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les Adieux": I. Das Lebewohl. Adagio - Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x273d0f29502cc8ac6ecd8b4360c621166f65e84c7677770928308eaacae86559 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/FRZ111201423.
Recording identifiers
- ISRC
- FRZ111201423
- Title
- Beethoven: Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les Adieux": I. Das Lebewohl. Adagio - Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x273d0f29502cc8ac6ecd8b4360c621166f65e84c7677770928308eaacae86559
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4fd72ede9af18959e3079277e8ac327844a1ef282390073ecb8114bb2a660d6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111201423
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Beethoven: Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les Adieux": I. Das Lebewohl. Adagio - Allegro · Machine-readable JSON-LD