夜夜中徘徊心地 (feat. VOICEVOX:春日部つむぎ)

Recording identifiers

ISRC

JP92Q2400164

CopyrightID (CopyrightChains transaction hash)

0xb09ee1071f9d3e3de5a381ba0b862b00fd59058b54a08c9bacd2acf09ada5dd9

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T03:35:13Z

Bitcoin block

960203

Canonical record hash

sha256:e232d9c7b283c9044c40f63ca168378d0925a6b6f8996ae93a76f089f6b95277

• 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.