ISRC DEF059404963

Verified recording

DEF059404963 is “String Quartet No. 11 in F Minor, Op. 95 "Serioso": III. Allegro assai vivace ma serioso - 1994 Recording” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x1eefbe2db098c78e4b4fa635d5e44fe122fc535ec445b504253d96b6bee092b5 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/DEF059404963.

Recording identifiers

ISRC
DEF059404963
Title
String Quartet No. 11 in F Minor, Op. 95 "Serioso": III. Allegro assai vivace ma serioso - 1994 Recording
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x1eefbe2db098c78e4b4fa635d5e44fe122fc535ec445b504253d96b6bee092b5

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:b2c8b73435521755ac18799bc04207932076557ee3df426c2ae2e0301d6132d2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404963
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: String Quartet No. 11 in F Minor, Op. 95 "Serioso": III. Allegro assai vivace ma serioso - 1994 Recording · Machine-readable JSON-LD