Wiegenlied, Op. 49 No. 4

Recording by Johannes Brahms.

Recording identifiers

ISRC
USA370523833
CopyrightID (CopyrightChains transaction hash)
0x2aef7c4de9a5195d3e30000442a02698e3be85d35edcc1b22dd96eec52a699ed
Copyright registration time
2026-07-06T23:30:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b6fb0f9233ad963ab9e1d65565ff88e01d912b91f1629d7f38818e884bb275b7

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.