Wiegenlied, Op. 49, No. 4

Recording by Johannes Brahms.

Recording identifiers

ISRC
USSM10010294
CopyrightID (CopyrightChains transaction hash)
0x909d14ae4b9b44cd49ce8a4f5507262d1f628a7f404aa1a0a526825c83b1fc47
Copyright registration time
2026-06-25T17:08:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a084bc989528db35dc58e82913738178a2bd328076409ac7a5012aa27813a912

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.