ISRC NLUM71100174
Verified recording
NLUM71100174 is “No. 2 in B-Flat Major (4 Polonaises, Op. 75, D.599)” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x5257694e29112e6f02afbe3d2ad8fe52fe28f168b58ca145d19e7f3003453153 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100174.
Recording identifiers
- ISRC
- NLUM71100174
- Title
- No. 2 in B-Flat Major (4 Polonaises, Op. 75, D.599)
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x5257694e29112e6f02afbe3d2ad8fe52fe28f168b58ca145d19e7f3003453153
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:855217c313b466928121daeb9ad788ea15aaf568b87406a6684c53f315d85e25- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100174
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: No. 2 in B-Flat Major (4 Polonaises, Op. 75, D.599) · Machine-readable JSON-LD