4 Gesänge, Op. 43: II. Die Mainacht

Recording by Johannes Brahms.

Recording identifiers

ISRC
FRZ140612160
CopyrightID (CopyrightChains transaction hash)
0x6c3c72df5f75dd1553f4782755981352bc91eaa0a27a1a0570704910e26214a8
Copyright registration time
2026-06-27T07:15:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:fe816f669f132dac766a9c9d9390020eeeef89af27f102f6e0d2411f6cc55583

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.