ISRC NLUM71100169
Verified recording
NLUM71100169 is “4 Impromptus, Op. 90, D.899: No. 2 in E flat: Allegro” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x0b8c0f6ae71072e6e226d79ef2a3d309ef49f04fde65448780fdc4b9ccef86f6 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/NLUM71100169.
Recording identifiers
- ISRC
- NLUM71100169
- Title
- 4 Impromptus, Op. 90, D.899: No. 2 in E flat: Allegro
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x0b8c0f6ae71072e6e226d79ef2a3d309ef49f04fde65448780fdc4b9ccef86f6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2760ec23aba73830597efcc72c382f30411b086790ea930d2426157f184f969a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100169
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 4 Impromptus, Op. 90, D.899: No. 2 in E flat: Allegro · Machine-readable JSON-LD