別れの曲

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPCO07794230
CopyrightID (CopyrightChains transaction hash)
0x48ac17d269f981a9eafb1cd2944e050061eb8adae623b3a08f56f3f54b3764c8
Copyright registration time
2026-07-03T13:00:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:52:39Z
Bitcoin block
957043
Canonical record hash
sha256:85ac621b2873ca2e64003a148d3fea5721d94b59984c2c1c15a114ab40a7cde1

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.