ISRC GBBBA0401054
Verified recording
GBBBA0401054 is “String Quartet No. 11 in F Minor, Op. 95 "Serioso": 4. Larghetto espressivo - Allegretto agitato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xfee2d1d59c104064818ab396b18dbaaa9c75695dfa9157b342c3dc94befc8e67 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/GBBBA0401054.
Recording identifiers
- ISRC
- GBBBA0401054
- Title
- String Quartet No. 11 in F Minor, Op. 95 "Serioso": 4. Larghetto espressivo - Allegretto agitato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xfee2d1d59c104064818ab396b18dbaaa9c75695dfa9157b342c3dc94befc8e67
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:93d63b1233e8bee974262de457dac209fb760d05872f30e8c56d6e981be61776- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0401054
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 11 in F Minor, Op. 95 "Serioso": 4. Larghetto espressivo - Allegretto agitato · Machine-readable JSON-LD