Smile Again

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08701550
CopyrightID (CopyrightChains transaction hash)
0xd17788ce20e0299f58e93f952ae9c49c065912f595e3dcb17f46eebecb62d395
Copyright registration time
2026-06-26T21:06:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:644f7f3b0846d362dc78ab169e7bab1da15ab18e5b69939d90b2db20478bdc75

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.