ISRC NLE422004006
Verified recording
NLE422004006 is “String Quartet No. 2 in F Major, Op. 41/2: II. Andante, quasi variazioni” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x98352a41f87cb5c2019dd4b45f9ab3dc21f99e5a4f0f5dade920ebcf313c5ac5 and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422004006.
Recording identifiers
- ISRC
- NLE422004006
- Title
- String Quartet No. 2 in F Major, Op. 41/2: II. Andante, quasi variazioni
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x98352a41f87cb5c2019dd4b45f9ab3dc21f99e5a4f0f5dade920ebcf313c5ac5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:38c1d75d1572406c8e7e0efb543c1d30055d20c00ee141971b2b76091cc9c650- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422004006
- Bitcoin block existence check
- https://blockstream.info/api/block/960105
Full record
Track page: String Quartet No. 2 in F Major, Op. 41/2: II. Andante, quasi variazioni · Machine-readable JSON-LD