ISRC NLUM71100168
Verified recording
NLUM71100168 is “4 Impromptus, Op. 90, D.899: No. 1 in C minor: Allegro molto moderato” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x89b6112cfd411c1cb37e8ff967f857f50475de993b4734264550cb8d7cb3c54c 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/NLUM71100168.
Recording identifiers
- ISRC
- NLUM71100168
- Title
- 4 Impromptus, Op. 90, D.899: No. 1 in C minor: Allegro molto moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x89b6112cfd411c1cb37e8ff967f857f50475de993b4734264550cb8d7cb3c54c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8ed499577f19be3063e6d63e0087fa421151f7d86337a928ffdc560857740f03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100168
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 4 Impromptus, Op. 90, D.899: No. 1 in C minor: Allegro molto moderato · Machine-readable JSON-LD