ジャスト・ア・シンフォニー

Recording by Kazuhiko Kato.

Recording identifiers

ISRC
JPTO09004570
CopyrightID (CopyrightChains transaction hash)
0x8517aa81bc49ce41c95ca211bc150cfb2192b932fe30c1e7c2595c864484494f
Copyright registration time
2026-07-07T15:01:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8a2433d41374fbf2ae05fa3924697af338222ffb9b064c5937d98bb4543730fd

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.