immature - Koglin & Heath Vocal mix

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB602103343
CopyrightID (CopyrightChains transaction hash)
0xf2701d3ef7a0551009c5daf0039b1dcf478d9ba848355c2b7a5b4ac9250815d6
Copyright registration time
2026-07-30T11:53:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:a459fe3935824e95ecebd6fc2790d042e9e66ccdf87267db8d23361d983c80fe

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.