ISRC DEF059404951
Verified recording
DEF059404951 is “String Quartet No. 9 in C Major, Op. 59, No. 3 "Rasumovsky": I. Introduzione. Andante con moto - Allegro vivace” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x5cfc9fb98ddcf632012ecb4614ce26df8e6db82376834010315a0a846cd216b1 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/DEF059404951.
Recording identifiers
- ISRC
- DEF059404951
- Title
- String Quartet No. 9 in C Major, Op. 59, No. 3 "Rasumovsky": I. Introduzione. Andante con moto - Allegro vivace
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x5cfc9fb98ddcf632012ecb4614ce26df8e6db82376834010315a0a846cd216b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d5c9a5eb44f9bf24d6152494a47d9506bb29fdd8a3c568aa6ee2141f8345e3eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404951
- 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": I. Introduzione. Andante con moto - Allegro vivace · Machine-readable JSON-LD