ISRC DEE212142605

Verified recording

DEE212142605 is “String Quartet in F Minor, Op. 20/5, Hob. III:35, "Sun Quartet": I. Allegro moderato” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0x7e1d3fd7c32d475ee03493fa60e3fd6877e153899e77a5592dcfaf6028368967 and independently timestamped in Bitcoin block 960494 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142605.

Recording identifiers

ISRC
DEE212142605
Title
String Quartet in F Minor, Op. 20/5, Hob. III:35, "Sun Quartet": I. Allegro moderato
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0x7e1d3fd7c32d475ee03493fa60e3fd6877e153899e77a5592dcfaf6028368967

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32+00:00
Bitcoin block
960494
Canonical record hash
sha256:2f7c5bb9eb679d8ad5cd181dfbe28f9ce8e1b962fcc0dc64fa44212855bf8383
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142605
Bitcoin block existence check
https://blockstream.info/api/block/960494

Full record

Track page: String Quartet in F Minor, Op. 20/5, Hob. III:35, "Sun Quartet": I. Allegro moderato · Machine-readable JSON-LD