Brahms - Lullaby Wiegenlied

Recording by Martin Bloch.

Recording identifiers

ISRC
QMPKX1331648
CopyrightID (CopyrightChains transaction hash)
0xa7ad5283d3b220f28b6c89fcdc3536c05a1a6504149b34ab86b4a83ffd06a809
Copyright registration time
2026-06-04T07:59:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c8956272ef0ce18a2b2f3adfcc65e45ab62e41992dd1f5ff69751e7a7e235dc8

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.