ISRC DEF059404984
Verified recording
DEF059404984 is “String Quartet in C Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile - Più mosso - Andante moderato e lusinghiero - Adagio - Allegretto - Adagio, ma non troppo e semplice - A” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x422e9b27c65dd9d0c70d823f65bd404d14ca5da3659645eaa522c9b8d54c5cbc and independently timestamped
in Bitcoin block 960288 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404984.
Recording identifiers
- ISRC
- DEF059404984
- Title
- String Quartet in C Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile - Più mosso - Andante moderato e lusinghiero - Adagio - Allegretto - Adagio, ma non troppo e semplice - A
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x422e9b27c65dd9d0c70d823f65bd404d14ca5da3659645eaa522c9b8d54c5cbc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:41:38+00:00
- Bitcoin block
- 960288
- Canonical record hash
sha256:9959b89bab08a2e7886bdc8bee3bb7ae378b175400d37c28e4df039f93646579- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404984
- Bitcoin block existence check
- https://blockstream.info/api/block/960288
Full record
Track page: String Quartet in C Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile - Più mosso - Andante moderato e lusinghiero - Adagio - Allegretto - Adagio, ma non troppo e semplice - A · Machine-readable JSON-LD