Cassation in G Major, "Toy Symphony": II. Menuetto

Recording by Leopold Mozart.

Recording identifiers

ISRC
HUA250006602
CopyrightID (CopyrightChains transaction hash)
0x872b653504b97a1821e4a6d705eef2930a2c0853ec1d69f6322470fe5ee4e5a8
Copyright registration time
2026-07-07T14:28:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a1420017ed2c1deb73855439a17fce7493435ccd44597ed2ce21d0d1d80e8dc3

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.