Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBELX2107598
CopyrightID (CopyrightChains transaction hash)
0x3bb535269bd0f1f61a06a17149839c23587823f601eb561b4a22b6fec85b6e71
Copyright registration time
2026-07-07T15:41:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e8f7580bcd839dfa5008b304f56e989b53b31dc597a8a69f15b4735587428bfa

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.