ISRC USB8U1612652

Verified recording

USB8U1612652 is “Oboe Quartet in F Major, K. 370 (Arr. for Flute Quartet): I. Allegro” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x835e508b27e07712e1463575d5111a2a392019435849e24b3b06997a8ca8efdf and independently timestamped in Bitcoin block 960348 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612652.

Recording identifiers

ISRC
USB8U1612652
Title
Oboe Quartet in F Major, K. 370 (Arr. for Flute Quartet): I. Allegro
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x835e508b27e07712e1463575d5111a2a392019435849e24b3b06997a8ca8efdf

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02+00:00
Bitcoin block
960348
Canonical record hash
sha256:965c2af62b92e279f0cfa47f7b20775e81ca45b6bce2953c5650585b8cddb268
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612652
Bitcoin block existence check
https://blockstream.info/api/block/960348

Full record

Track page: Oboe Quartet in F Major, K. 370 (Arr. for Flute Quartet): I. Allegro · Machine-readable JSON-LD