魔法って言っていいかな?

Recording by Ken Hirai.

Recording identifiers

ISRC
JPU901601430
CopyrightID (CopyrightChains transaction hash)
0xe82fa979a02d0aaff17ee618adcb96bc51490bc989c12691bdd8cf0c60d6b960
Copyright registration time
2026-06-08T05:50:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d157278df070215bb8300e338d59044990dca30cffd05d18093434372eb41284

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.