ISRC FRZ119208890
Verified recording
FRZ119208890 is “Brahms: Clarinet Sonata No. 1 in F Minor, Op. 120 No. 1: I. Allegro appassionato” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x4fefa62a2b1c5bb15cfd474537663b2afbc8a4ab03a961771b30319cdcc6d73c 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/FRZ119208890.
Recording identifiers
- ISRC
- FRZ119208890
- Title
- Brahms: Clarinet Sonata No. 1 in F Minor, Op. 120 No. 1: I. Allegro appassionato
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x4fefa62a2b1c5bb15cfd474537663b2afbc8a4ab03a961771b30319cdcc6d73c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e810b6bcf1c4056f9f4774d10f977aa32f62b4a343687ade29bd3029fcf598d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119208890
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Brahms: Clarinet Sonata No. 1 in F Minor, Op. 120 No. 1: I. Allegro appassionato · Machine-readable JSON-LD