ISRC FRZ119208920

Verified recording

FRZ119208920 is “Brahms: Clarinet Sonata No. 1 in F Minor, Op. 120 No. 1: IV. Vivace” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0x029fdea8da6e4612e3e0934d09c084647d94d5246333e6401629c08910e0006c and independently timestamped in Bitcoin block 960337 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119208920.

Recording identifiers

ISRC
FRZ119208920
Title
Brahms: Clarinet Sonata No. 1 in F Minor, Op. 120 No. 1: IV. Vivace
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0x029fdea8da6e4612e3e0934d09c084647d94d5246333e6401629c08910e0006c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48+00:00
Bitcoin block
960337
Canonical record hash
sha256:934ce10dbf8bc1c0c3464de9671dea6d7e89e860796d6c749fd16b556b486c75
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119208920
Bitcoin block existence check
https://blockstream.info/api/block/960337

Full record

Track page: Brahms: Clarinet Sonata No. 1 in F Minor, Op. 120 No. 1: IV. Vivace · Machine-readable JSON-LD