String Sextet No. 1 in B Flat Major, Op. 18: I. Allegro ma non troppo

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEF056601352
Release date of the album this recording appears on
2003-01-01
CopyrightID (CopyrightChains transaction hash)
0xf031f8219f2be8adce0b3a32689dc970d864ada8c58e152691e4f933b5da13a9
Copyright registration time
2026-07-30T07:02:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:ab2baf172da38119bcfee73b8b0a49aee4989b751bdc139c410f1b969452bafa

What this proof establishes

This recording was released in 2003, 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.