できるだけ純情でいたい

Recording by Yasuyuki Okamura.

Recording identifiers

ISRC
JPZ921515053
CopyrightID (CopyrightChains transaction hash)
0x122744a0f1c9229bee6147eff13dd19bec72abab07145b8b0d3f1833a8d81e7f
Copyright registration time
2026-06-19T09:52:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c182345723542dff029ad087c4b3fd61f5bb02d61393c0bbceb01a1d00c02800

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.