ISRC NLE422435806
Verified recording
NLE422435806 is “Piano Sonata No. 1, Op. 1: II. Andante con moto” by Hanns Eisler,
registered on the CopyrightChains blockchain with CopyrightID
0xe9f2ee425d8c05d1034bc788e9f3213cec66a1db8e5da25d5f923e1e61a80e1f 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/NLE422435806.
Recording identifiers
- ISRC
- NLE422435806
- Title
- Piano Sonata No. 1, Op. 1: II. Andante con moto
- Artist
- Hanns Eisler
- CopyrightID (CopyrightChains transaction hash)
0xe9f2ee425d8c05d1034bc788e9f3213cec66a1db8e5da25d5f923e1e61a80e1f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:a54185cb97ba8a683140e6b26063fae950b2b408fc76b5564597f9f84b749585- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422435806
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Sonata No. 1, Op. 1: II. Andante con moto · Machine-readable JSON-LD