Plaisanterie Musicale, K. 522: Allegro

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
FRZ179503550
CopyrightID (CopyrightChains transaction hash)
0x699ba7bd5c364e9308be9c0c8a0a77fe6068126baf7a94a57ceb38ab56476124
Copyright registration time
2026-07-31T05:26:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:84cccce2d67d62d6e956827f959669e110f7ba66e4e754a440ecb0b104d9fc45

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.