Wiegenlied, Op. 49, No. 4

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBBBB9800808
CopyrightID (CopyrightChains transaction hash)
0xbdf30c15a842443d3c826a333f18b4f038cbea10f12369f9d7ac1c5bc73406aa
Copyright registration time
2026-07-07T15:15:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4f0ccd78c9d0afa2fef494576efd1c059af622469e6861825c0af4a250870bef

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.