Fantasia in D Minor, K. 397 - Pt. 4

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEF059205054
CopyrightID (CopyrightChains transaction hash)
0x2e3aa1384459909790985ffee207c7e1f629358b79f1761c9a81fe715ebace47
Copyright registration time
2026-07-06T21:39:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3ff9335b6921e0a6c0cdd6388837664582bad33a9251cd81a5cb428252659492

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.