Cantabile Wn 43

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEPI82502254
CopyrightID (CopyrightChains transaction hash)
0x7a39f904939492d70b5b622ef29d10e3fcebbf93ac5e69cfbc08ab3b2b797ff1
Copyright registration time
2026-07-06T09:19:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:e5bb24f0b6f88c00631c9c7e9a13b0d4f6375b383af9de46f5206082cdb358ed

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.