Funeral March

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBBBC2200630
CopyrightID (CopyrightChains transaction hash)
0x3ad845016f9992ad080ad6a8b00730b2874d66cc198da1803f9ba61289dba30a
Copyright registration time
2026-07-07T15:31:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:71f60030f2fa915b7390f71a87f27ef5e140e3b6622387c4eb58f0ad293696be

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.