ISRC DEF058802622
Verified recording
DEF058802622 is “Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les adieux": II. Abwesenheit. Andante espressivo –” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2723a4e32028152806f95b6cc59eb560aae359d03696c3fd52929ff01b23732a 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/DEF058802622.
Recording identifiers
- ISRC
- DEF058802622
- Title
- Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les adieux": II. Abwesenheit. Andante espressivo –
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2723a4e32028152806f95b6cc59eb560aae359d03696c3fd52929ff01b23732a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:80d06e813bf2bf991223503617df767f710dbee3c83685abdcd008c2951a5539- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802622
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les adieux": II. Abwesenheit. Andante espressivo – · Machine-readable JSON-LD