Intermezzi, Op. 117: II. In B Flat Minor

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEF059103802
CopyrightID (CopyrightChains transaction hash)
0x91f27b2f804646f3fc8cf43ea45bb62a17b0d64bac14197fbfab912d61cd6163
Copyright registration time
2026-07-30T09:52:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:58:01Z
Bitcoin block
960241
Canonical record hash
sha256:822be0037eb6963dfc3e373725828fa62ae6a2ae662e7deb35a496d11e7c6aa4

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.