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Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI01225710
CopyrightID (CopyrightChains transaction hash)
0x21d5fde2281f9ecb7874d3c06463be769567cbed6c6eb0ded60ab88e3b676bd8
Copyright registration time
2026-06-18T14:43:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e2022cb3d59bc2af3c73b5978c3e92d109beb7a615abb09bdc801ea1608b5f20

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.