ショパン:夜想曲第8番変ニ長調作品27-2

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPES00801928
CopyrightID (CopyrightChains transaction hash)
0xdb2ab56d3b317e098ad3a608b082f34e5464e78622ae12e3bfe7b43efce6e5b4
Copyright registration time
2026-06-20T04:31:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1e45e54d05c5adf6b0430718deaa8647457d4f0dc2442aa9dd1bec01e6f322cc

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.