Clarinet Sonata in F Minor, Op. 120 No. 1: II. Andante un poco adagio

Recording by Johannes Brahms.

Recording identifiers

ISRC
ES59G1820802
Release date of the album this recording appears on
2018-06-01
CopyrightID (CopyrightChains transaction hash)
0x662ab90a7c2948225916014c8852ccaef9026863b0bfb9cf57bd6d1113191f9e
Copyright registration time
2026-06-25T07:28:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:fdcf2481ed4df9572144e7ede9bc24b163b75bdfb5e2f2852851c39bb674f929

What this proof establishes

This recording was released in 2018, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.