ISRC DEF059404962
Verified recording
DEF059404962 is “String Quartet No. 11 in F Minor, Op. 95 "Serioso": II. Allegretto ma non troppo - 1994 Recording” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x7e8bcd5a251d684f01eb8a9c7860a9636e59c526d14843f461ec323f12cbfe8d 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/DEF059404962.
Recording identifiers
- ISRC
- DEF059404962
- Title
- String Quartet No. 11 in F Minor, Op. 95 "Serioso": II. Allegretto ma non troppo - 1994 Recording
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x7e8bcd5a251d684f01eb8a9c7860a9636e59c526d14843f461ec323f12cbfe8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:65d9facdf3e0986d07689e8de733ddb281cabc5b5c6755e7b78707d61a5b1ca2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404962
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 11 in F Minor, Op. 95 "Serioso": II. Allegretto ma non troppo - 1994 Recording · Machine-readable JSON-LD