ISRC USSM10208012

Verified recording

USSM10208012 is “Duet No. 4 for 2 Flutes - Arrangement of String Quartet in D Major, Hob III:79: I. Allegretto” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0x606a5ce2a511bc89b3217f890806c0327116866aa5e764e082fc82046243f56c and independently timestamped in Bitcoin block 957124 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10208012.

Recording identifiers

ISRC
USSM10208012
Title
Duet No. 4 for 2 Flutes - Arrangement of String Quartet in D Major, Hob III:79: I. Allegretto
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0x606a5ce2a511bc89b3217f890806c0327116866aa5e764e082fc82046243f56c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27+00:00
Bitcoin block
957124
Canonical record hash
sha256:3d3b15e6cb9cc7a1227c482ee950710dc27bee24c7bc01be8140a01c8a8ac7fd
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10208012
Bitcoin block existence check
https://blockstream.info/api/block/957124

Full record

Track page: Duet No. 4 for 2 Flutes - Arrangement of String Quartet in D Major, Hob III:79: I. Allegretto · Machine-readable JSON-LD