ワルツ ヘ長調 作品34の3 「華麗なる円舞曲」 [スタインウェイ]

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPU901503891
CopyrightID (CopyrightChains transaction hash)
0x2cb784f622d5f14fff90fb01b99d42c2761d7af7aa5e69ed9b0533106b14502f
Copyright registration time
2026-07-31T16:32:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:9484f2858393f564810bd848bffd160bdae74a9469641e0ca992c7de695284e1

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.