Wiegenlied, Op. 49, No. 4

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBBBA1800617
CopyrightID (CopyrightChains transaction hash)
0xa3c1f8224381d723c98f5c88d73351811a7451e021c037e79ad7c58f4efa324f
Copyright registration time
2026-06-08T11:47:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1076bf2397c885374fe82ad0f804541c6e94b684664693a856fe5d32e3c2866d

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.