ISRC USAJE1314108

Verified recording

USAJE1314108 is “Impromptu No. 3 in G-flat major, D. 899, Op. 90” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0xd5f4dc4e25d88ac31c0cd4d52d0e4466e03825add3c3eb3a860bae7d6e2b851d and independently timestamped in Bitcoin block 960337 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAJE1314108.

Recording identifiers

ISRC
USAJE1314108
Title
Impromptu No. 3 in G-flat major, D. 899, Op. 90
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0xd5f4dc4e25d88ac31c0cd4d52d0e4466e03825add3c3eb3a860bae7d6e2b851d

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48+00:00
Bitcoin block
960337
Canonical record hash
sha256:bd9298855653ad234f0b01fd412c3583c6ca0d54fb3676c807bd985abbe3a5f7
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAJE1314108
Bitcoin block existence check
https://blockstream.info/api/block/960337

Full record

Track page: Impromptu No. 3 in G-flat major, D. 899, Op. 90 · Machine-readable JSON-LD