Viola Sonata in E-Flat Major, Op. 120 No. 2: I. Allegro amabile

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBAJY0758409
CopyrightID (CopyrightChains transaction hash)
0x6d64a7f8868189c6b2a6f461dd5f12ec74a6d93faae8a6cd61ee4c1b74b59a85
Copyright registration time
2026-07-07T08:13:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f556e72139d36890831890efc5ff9330b152782efe1d797fc55c2c7c313e8e94

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.