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Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08902000
CopyrightID (CopyrightChains transaction hash)
0xff78c3dd963fb82559fd5965380b3e45f79a2eb3990eaaa2ff34f524f550914d
Copyright registration time
2026-07-06T04:30:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37Z
Bitcoin block
957067
Canonical record hash
sha256:a7359a273e0af04b6848437302bb28dfa6c18f2daf65802f8c929e3859463985

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.