フラフラ(春よ来い)

Recording by Kenichi Hagiwara.

Recording identifiers

ISRC
JPS801851153
CopyrightID (CopyrightChains transaction hash)
0xf6790d490073750c9f6c8152fe4ed0a1b3b81c83f3bb8f6441357f36e058a424
Copyright registration time
2026-07-07T06:14:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e98bf22c7230371a98a8a4fd0365192048728540cd55d6a5f7c8eba8f6bbde91

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.