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Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08902000
Release date of the album this recording appears on
2012-03-21
CopyrightID (CopyrightChains transaction hash)
0xff78c3dd963fb82559fd5965380b3e45f79a2eb3990eaaa2ff34f524f550914d
Copyright registration time
2026-07-06T04:30:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a108e24c5f078f4a3ef0d8b04397fa24c882ac948bb59a514c280868bc70e2cc

What this proof establishes

This recording was released in 2012, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.