Burlesque in C Major

Recording by Leopold Mozart.

Recording identifiers

ISRC
RUA491907991
CopyrightID (CopyrightChains transaction hash)
0x642109b2a655a17bdbeb4caa9cf8229c6348f539be940025ce48ae3f6fae705c
Copyright registration time
2026-07-30T09:25:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:6694d3c8d51c99b30148496630fd1b4c0f685be00c69f6c8808ecf8e966d4814

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.