Mélodie de la Marche funèbre

Recording by Frédéric Chopin.

Recording identifiers

ISRC
PLC062229783
CopyrightID (CopyrightChains transaction hash)
0xdd411118079f914bb6793e8a006ba6de98cfa94485d5ffd8679228df4f7e00de
Copyright registration time
2026-07-07T13:42:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:68c6cd5fce8b5934a9ad53b2009408b3a36e3010b237db764206fd324035ccc8

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.