Birthday Eve

Recording by Kumi Koda.

Recording identifiers

ISRC
JPB600577301
CopyrightID (CopyrightChains transaction hash)
0xea2a0aa94ed8de5b122d6f748d7f9b19b2753a0f54795bc282fdc9c0c4350b72
Copyright registration time
2026-06-23T01:56:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:27046c21ec9cf538a01d8a2e2879da96fa9218bfce4a915d9cfcb8d726b30d00

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.