Warum op. 92/4

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEC299839919
CopyrightID (CopyrightChains transaction hash)
0xaa733aaa2e7339a6f4f035978cf93e8ec22dd0916b44524319a52032fd3437b8
Copyright registration time
2026-08-01T01:27:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:492de3436d14a3583d155b92e3d4f6c306967a86e679b66b0b8f0a368f605796

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.