花ノ輪舞曲

Recording by いとうかなこ.

Recording identifiers

ISRC
JPK631501205
CopyrightID (CopyrightChains transaction hash)
0xc0414332ecd721f44a2d5cd674a2ee42a9a121acaedf86700210c8fc80446444
Copyright registration time
2026-07-06T09:19:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:dd65d85f35137d21a7582a3d7292ca11eef6d3d0d74d080874c6ae9545a996f6

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.