ISRC NLUM71100164

Verified recording

NLUM71100164 is “4 Impromptus Op. 142, D.935: No. 1 in F minor: Allegro moderato” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0xea2cbba7dab816fd4eb2ca384f062fbecf4d3289e049901fa45a72ac7a6924d7 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/NLUM71100164.

Recording identifiers

ISRC
NLUM71100164
Title
4 Impromptus Op. 142, D.935: No. 1 in F minor: Allegro moderato
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0xea2cbba7dab816fd4eb2ca384f062fbecf4d3289e049901fa45a72ac7a6924d7

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:239a844a79ad2555bc6ad9c58a7aa5e33f564af8f0c6123167369c29ae01d971
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100164
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: 4 Impromptus Op. 142, D.935: No. 1 in F minor: Allegro moderato · Machine-readable JSON-LD