ISRC USAJE1314107
Verified recording
USAJE1314107 is “Impromptu No. 2 in E-flat major, D. 899, Op. 90” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x1fab399dd5dedf6704e81f94bec51cab7cc5bcbc792fa5abc8186c720df50bdf and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAJE1314107.
Recording identifiers
- ISRC
- USAJE1314107
- Title
- Impromptu No. 2 in E-flat major, D. 899, Op. 90
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x1fab399dd5dedf6704e81f94bec51cab7cc5bcbc792fa5abc8186c720df50bdf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:dc940969a6dffa199c28daecb52663a75cbffae3de1a8715765d261a7d75f26c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAJE1314107
- Bitcoin block existence check
- https://blockstream.info/api/block/960218
Full record
Track page: Impromptu No. 2 in E-flat major, D. 899, Op. 90 · Machine-readable JSON-LD