Two Hearts

Recording by Hideyuki Fukasawa.

Recording identifiers

ISRC
JPE301500058
CopyrightID (CopyrightChains transaction hash)
0xf427aee1c358768d26c8a3c91e90c20390ffae6fe926b5eaa259a8a8a524c9fb
Copyright registration time
2026-06-21T22:02:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:18f99c865b84fc646f3c3211ddb52683377151a8efd82eac311ab365fe7e97df

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.