ISRC DEF059404961
Verified recording
DEF059404961 is “String Quartet No. 11 in F Minor, Op. 95 "Serioso": I. Allegro con brio - 1994 Recording” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x6eec809e81ff65658628aa94c5f2036f3c8364abb50cfa7bb8322a0c24b1c9a3 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/DEF059404961.
Recording identifiers
- ISRC
- DEF059404961
- Title
- String Quartet No. 11 in F Minor, Op. 95 "Serioso": I. Allegro con brio - 1994 Recording
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x6eec809e81ff65658628aa94c5f2036f3c8364abb50cfa7bb8322a0c24b1c9a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:0af5e5e95d3233eba97332510ea46b06af5815c37aba3cff489221a3d571f6ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404961
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 11 in F Minor, Op. 95 "Serioso": I. Allegro con brio - 1994 Recording · Machine-readable JSON-LD