String Sextet No. 2, Op. 36: I. Allegro non troppo

Recording by Johannes Brahms.

Recording identifiers

ISRC
FR50X2179205
CopyrightID (CopyrightChains transaction hash)
0xd10b9cc33d4ebf9743fadbb366d215cc2962b6b9689b30cf4a36fd2b17479158
Copyright registration time
2026-06-22T04:28:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b9fb37ad952fa0146b3acb221a80e0f72856217f932f71b88ff6f034d7703af1

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.