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