Cello Sonata in E Minor, Op.38: I. Allegro non troppo

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBPFX0700735
CopyrightID (CopyrightChains transaction hash)
0x7716a51b5a9248a092cec96e08ff8d88dd712eab160fcaaccba3d3fdeb6a5e82
Copyright registration time
2026-06-20T22:58:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1359fb78ccd60d9cbdb4cfb596c002fd27d4a903da317bfe0b723b5302eceb1c

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.