ISRC DEF058001193
Verified recording
DEF058001193 is “Piano Sonata No. 13 in E-Flat Major, Op. 27 No. 1 "Quasi una fantasia": III. Adagio con espressione” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2e19b266e69788516b7e5aa8ee2a29dee7a71d72cd3b31c710432f829a49d73b 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/DEF058001193.
Recording identifiers
- ISRC
- DEF058001193
- Title
- Piano Sonata No. 13 in E-Flat Major, Op. 27 No. 1 "Quasi una fantasia": III. Adagio con espressione
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2e19b266e69788516b7e5aa8ee2a29dee7a71d72cd3b31c710432f829a49d73b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:705a71cd40ffd896310a9e4aac4e6c6c4129595dab04ecec121fe117c2f18af6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058001193
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 13 in E-Flat Major, Op. 27 No. 1 "Quasi una fantasia": III. Adagio con espressione · Machine-readable JSON-LD