Wiegenlied, Op. 49, No. 4

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBF071304380
CopyrightID (CopyrightChains transaction hash)
0x23e677998a9de2f554f4ecb84dae0ce711de6c80e08ac22e019ef1d42e7ee9b1
Copyright registration time
2026-06-04T15:29:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b14f9193b32718be2ab882bca99dccb488f6fbfdc56acce1d8aa451b7d1721ca

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.