ISRC NLUM71100170
Verified recording
NLUM71100170 is “4 Impromptus, Op. 90, D.899: No. 3 in G flat: Andante” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xe0685e535721974c5cce8586cd7539342729ac48c02905eaded7b2fac9c552a7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100170.
Recording identifiers
- ISRC
- NLUM71100170
- Title
- 4 Impromptus, Op. 90, D.899: No. 3 in G flat: Andante
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xe0685e535721974c5cce8586cd7539342729ac48c02905eaded7b2fac9c552a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1796cb2409d5688314d8f9665108591851846fa76d4f61c0d2425fea2025806d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100170
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 4 Impromptus, Op. 90, D.899: No. 3 in G flat: Andante · Machine-readable JSON-LD