ISRC DEF059404932
Verified recording
DEF059404932 is “String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": II. Allegretto vivace e sempre scherzando” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xcca75891c3b6bd94f139f4900bf09dfc16c58ea1b4c835d3dc57e2a689dd18fa and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404932.
Recording identifiers
- ISRC
- DEF059404932
- Title
- String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": II. Allegretto vivace e sempre scherzando
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xcca75891c3b6bd94f139f4900bf09dfc16c58ea1b4c835d3dc57e2a689dd18fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:5b7a90d08c47d4a5e1c57cfec2790fc3c0a08d0b08232a5a4f725cbfab30e458- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404932
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": II. Allegretto vivace e sempre scherzando · Machine-readable JSON-LD