Wiegenlied KV 350

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
KRUM71000022
CopyrightID (CopyrightChains transaction hash)
0x164020351fbf7bf0d60fb91988b124417e92fefe56abef75515563220c5cb4b8
Copyright registration time
2026-07-07T08:38:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9a07cf9d985c191e43a07f717b8d0853cb3af841adac964bea1c53844665f510

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.