シティーガール - EP Ver.

Recording by KOHAKU.

Recording identifiers

ISRC
JP92A2302149
CopyrightID (CopyrightChains transaction hash)
0xb14d054ea733e66ecbc6ea355be4e0e2fe8f7f6d5aa5547fdda41cb70ed942f3
Copyright registration time
2026-06-19T04:21:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:97dd0e5c633eed50fa399039f37220c5851cf8cc239cd8ad3f5d84de63813a19

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.