Secret Heart

Recording by Maiko Nakamura.

Recording identifiers

ISRC
JPZ921603181
CopyrightID (CopyrightChains transaction hash)
0x6e30a202731cb2bfc97733ab41e8384eaae89bd987c5865639afec8f1f991878
Copyright registration time
2026-06-24T23:02:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0f5c212041c7872341f446faa0b165cafdb11003ee69e54e076129fee82c9bcf

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.