私たちのReason

Recording by AKB48.

Recording identifiers

ISRC
JPKI01217005
CopyrightID (CopyrightChains transaction hash)
0xfa000b8538cca81cddd5f08238c8018d071830d86929afdd43bfb81438a406b1
Copyright registration time
2026-06-24T07:30:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:aab9aecaaada94403ada4f6f0d2640409ce50a50ee63afb2bfd154d1b230327d

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.