再びまみえる日まで

Recording by Takashi Kako.

Recording identifiers

ISRC
JPB601802955
CopyrightID (CopyrightChains transaction hash)
0xc5caf1e940b21b49f13a9a94d6d82faf724a06214bbe11a67c3e3f0f9e4f9c58
Copyright registration time
2026-07-30T10:21:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:a10ad7e6982befe458f438c8d9c65c7f4ae9b7db616b44731c92521f5a6decb3

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.