5 Lieder, Op. 47: IV. O liebliche Wangen

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN962001390
CopyrightID (CopyrightChains transaction hash)
0x9daee604d69e00283d3176040eb2a83e5dfe6bc3fcbf7f6f3f7499a75310747a
Copyright registration time
2026-07-07T05:31:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:903e67b5d0bb08637e026c3fdb3f28321a10373c220433a3a216dd0dbec1cc0f

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.