Rhapsody in B Minor, Op. 79, No. 1

Recording by Johannes Brahms.

Recording identifiers

ISRC
NLA507919601
CopyrightID (CopyrightChains transaction hash)
0x00ad87020bc2ad95c8242de1f60cda86e14694f320314fa8ee186cc4c992c976
Copyright registration time
2026-06-24T16:54:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0cca0ff846e995b0a05cfa162e42124febe37ced9d10a5c907c67126ba991788

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.