J&A

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840900321
CopyrightID (CopyrightChains transaction hash)
0x787f758d7040a4d16670043b3231d20dcea885b9e1dbcea904b8a98e5b148c20
Copyright registration time
2026-07-31T02:25:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:b61f7abede68cdec08d90e684e7ea2e4f2930bd30775c14fc001e1f46c5a3217

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.