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Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI09102240
CopyrightID (CopyrightChains transaction hash)
0x0629e9b60fa62aa6298f648187c1bf0f28287f4c1a950a9664f5acb20a8af197
Copyright registration time
2026-06-04T07:40:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4ce9610ded9a2c2dfe8ee1c6f5d968da69983c755197a706d20b972785be67f0

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.