プレゼンテーション

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08401110
CopyrightID (CopyrightChains transaction hash)
0x6245581514a05fa5590a72d03f67be98d5770799cf75952086b1cd72a627b4cf
Copyright registration time
2026-07-30T16:39:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:456dc4c517e459ae5be33fcbc035ea4e7e598d90326877ec888989b44bf6730a

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.