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Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI09128450
CopyrightID (CopyrightChains transaction hash)
0xf75d29276e3d87ec8cb7e739957f61cf8085cb1d081125ca5763c50e00d31b88
Copyright registration time
2026-07-30T15:40:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:9f9314b128dfd13930fb99e42f1e90f9476b125bb0d07aa067e3d19a25ffde81

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.