二人(Another Version)

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08701720
CopyrightID (CopyrightChains transaction hash)
0xd4e86043715cff40f7b401d840dbf03f00de3ed7bc25b3b06c1e8b5c06e75981
Copyright registration time
2026-07-07T10:33:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:14a57bb131037c3f8a8d640c01ab2bcd5324a2e12881cf6350c888abccb72ded

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.