ISRC DEF059404964
Verified recording
DEF059404964 is “String Quartet No. 11 in F Minor, Op. 95 "Serioso": IV. Larghetto espressivo - Allegretto agitato - 1994 Recording” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe360da3c80e4b3985199e119adb830d140079318e6e23d4dcb45b42b9ea541b3 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404964.
Recording identifiers
- ISRC
- DEF059404964
- Title
- String Quartet No. 11 in F Minor, Op. 95 "Serioso": IV. Larghetto espressivo - Allegretto agitato - 1994 Recording
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe360da3c80e4b3985199e119adb830d140079318e6e23d4dcb45b42b9ea541b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:96f7357ad0c021e022a6fda02409cbd752c8f119f6d957a0aaf7d2a27e10e910- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404964
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 11 in F Minor, Op. 95 "Serioso": IV. Larghetto espressivo - Allegretto agitato - 1994 Recording · Machine-readable JSON-LD