ISRC NLE422004004
Verified recording
NLE422004004 is “String Quartet No. 1 in A Minor, Op. 41/1: IV. Presto” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x0df60a53a1cfbb1a9c315a16fa78dbdca9478ae1a32707ed3872a0608731d891 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422004004.
Recording identifiers
- ISRC
- NLE422004004
- Title
- String Quartet No. 1 in A Minor, Op. 41/1: IV. Presto
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x0df60a53a1cfbb1a9c315a16fa78dbdca9478ae1a32707ed3872a0608731d891
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:6c118e87554b37d65b47499b9cd1638409aa2d832ce1c82454024f45a772dc5e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422004004
- Bitcoin block existence check
- https://blockstream.info/api/block/959137
Full record
Track page: String Quartet No. 1 in A Minor, Op. 41/1: IV. Presto · Machine-readable JSON-LD