Wiegenlied, K.350

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBKPL2164666
CopyrightID (CopyrightChains transaction hash)
0x84e59d9ae3431ffbe0e8162b4041eccf480c21655eaaa73f6cd0a4dfeec1a200
Copyright registration time
2026-07-07T04:52:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6134d99c3ad308fc49f705dd96dace2e477febed1d4f5d230c13145544f0daad

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.