ISRC FR50X1524811

Verified recording

FR50X1524811 is “String Quartet No. 3 in B-Flat Major, Op. 67: III. Agitato (Allegretto non troppo)” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0x6d16be2748e01ae09cf7df1a7795f2c5d41e62742bec7dc77f61851aa720bde2 and independently timestamped in Bitcoin block 960334 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1524811.

Recording identifiers

ISRC
FR50X1524811
Title
String Quartet No. 3 in B-Flat Major, Op. 67: III. Agitato (Allegretto non troppo)
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0x6d16be2748e01ae09cf7df1a7795f2c5d41e62742bec7dc77f61851aa720bde2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:b687ad78f73c1a5cf4c9fcc21d7ec61e0c16c7e459fc7c3d3ffb9658f886d60c
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1524811
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: String Quartet No. 3 in B-Flat Major, Op. 67: III. Agitato (Allegretto non troppo) · Machine-readable JSON-LD