ISRC DEF057001161
Verified recording
DEF057001161 is “Piano Trio in E-Flat Major, Op. 70 No. 2: I. Poco sostenuto - Allegro ma non troppo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x20bd9ddf871d174cb16d3ab99260c27586dc360c78e22841213be6c081fb5c82 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/DEF057001161.
Recording identifiers
- ISRC
- DEF057001161
- Title
- Piano Trio in E-Flat Major, Op. 70 No. 2: I. Poco sostenuto - Allegro ma non troppo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x20bd9ddf871d174cb16d3ab99260c27586dc360c78e22841213be6c081fb5c82
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:dc4fe3f43320818257b32dc657e5785887231ec67cb2c131980cd8639d052cfa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057001161
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Trio in E-Flat Major, Op. 70 No. 2: I. Poco sostenuto - Allegro ma non troppo · Machine-readable JSON-LD