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
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7455b09dc152f5381d7a86631ce5bcb3dea4f9144f0321345bc6eb404481abc0

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.