ポロネーズ 第７番 変イ長調 Op.61 「幻想ポロネーズ」

Recording identifiers

ISRC

JPVI00325330

CopyrightID (CopyrightChains transaction hash)

0x34e1af9f181ee9e787302dd26118c0b9469b4e69d7955baa3550851ac2318b6f

Copyright registration time

2026-06-22T04:34:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:ed55f328491565e3a9903c25ca7ec474f804bb6f395d88ed561eecdbfd9fe3ec

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.