Cassation in G Major, K. 63: I. Marche

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
NLY331410455
CopyrightID (CopyrightChains transaction hash)
0xb16f3316bb2926163ad55a4dc232fc1b1104a49f43f9041916c547e7b2d14bac
Copyright registration time
2026-07-07T06:10:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a122015696c976660051fbe927a01a15044898b39929cb7544092c8a6509b284

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.