飛行機雲ができる理由

Recording by Hinatazaka46.

Recording identifiers

ISRC
JPU902201357
CopyrightID (CopyrightChains transaction hash)
0x2a2eaef5a164a8fdc7e7fd4b1b84ab9d589590d3b025bdae46df39628a42ec04
Copyright registration time
2026-06-05T19:57:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:d19bf06eb5eaf2aba91448c39f04489d44d27b577c86e1aecdc9cc0e61b13007

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.