ISRC NLE422004001
Verified recording
NLE422004001 is “String Quartet No. 1 in A Minor, Op. 41/1: I. Introduzione. Andante espressivo - Allegro” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xd8c21fb9e25709d0c4c4cdea5eedb9cc6daf390aa1f1c5053ed60905b0b429b4 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/NLE422004001.
Recording identifiers
- ISRC
- NLE422004001
- Title
- String Quartet No. 1 in A Minor, Op. 41/1: I. Introduzione. Andante espressivo - Allegro
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0xd8c21fb9e25709d0c4c4cdea5eedb9cc6daf390aa1f1c5053ed60905b0b429b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e2746c4b9367c8210459a6646910e949bf3369e7f6d559cbad991ec75c123fa3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422004001
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 1 in A Minor, Op. 41/1: I. Introduzione. Andante espressivo - Allegro · Machine-readable JSON-LD