は・じ・め・て

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08801820
CopyrightID (CopyrightChains transaction hash)
0x8e53c92ac3b609103b99ba9b2ad6b65834971cf7b643fa00b552a278404863af
Copyright registration time
2026-07-06T18:56:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:32e71110cfdd57b78e345bf28e1f7ab22e0f8ed9e891cfa593bdbcfba7451637

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.