ISRC NLE421400901

Verified recording

NLE421400901 is “Piano Quartet No. 1 in G Minor, Op. 25 (Orch. By A. Schoenberg): I. Allegro” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0x7f7cb320c139750b6662a62d33a0c947f0c6b17d9b773d280dfb9549cd56ab17 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421400901.

Recording identifiers

ISRC
NLE421400901
Title
Piano Quartet No. 1 in G Minor, Op. 25 (Orch. By A. Schoenberg): I. Allegro
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0x7f7cb320c139750b6662a62d33a0c947f0c6b17d9b773d280dfb9549cd56ab17

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:20a75e6748aeff422b09b9d4059af5ce2d761679d8be56883ee979472afac3f1
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421400901
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Piano Quartet No. 1 in G Minor, Op. 25 (Orch. By A. Schoenberg): I. Allegro · Machine-readable JSON-LD