ISRC DEF059404954
Verified recording
DEF059404954 is “String Quartet No. 9 in C Major, Op. 59, No. 3 "Rasumovsky": IV. Allegro molto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x9bd13ad2c26665501f614bde769c93fbd5b0a6ffc1cf7d76829bad4d11358ae1 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/DEF059404954.
Recording identifiers
- ISRC
- DEF059404954
- Title
- String Quartet No. 9 in C Major, Op. 59, No. 3 "Rasumovsky": IV. Allegro molto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x9bd13ad2c26665501f614bde769c93fbd5b0a6ffc1cf7d76829bad4d11358ae1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8f1f2444285414199bb2dd90ba1bd92e8542a9505a0e45c762761e27974ff983- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404954
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 9 in C Major, Op. 59, No. 3 "Rasumovsky": IV. Allegro molto · Machine-readable JSON-LD