わずかな光

Recording by けやき坂46.

Recording identifiers

ISRC
JPU901801753
CopyrightID (CopyrightChains transaction hash)
0x546021e11eb59b63b2ccc43d34ba46dbee5f2e7a31360d89684d83b3924daf0a
Copyright registration time
2026-06-06T20:42:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:d3feb5f6a3f62e6e9c35522dd57f8fd0994452221ca895540bfd48d729ac6712

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.