明日へのマーチ

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPBV09400990
CopyrightID (CopyrightChains transaction hash)
0xd6e0724961e5393d8c88aa6f1515baf9faa318b6f181c2b8c943fa67854d7906
Copyright registration time
2026-06-20T04:31:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6ddd4b47e2d52d37cc48c7984c81b793408ef3d80e75514b39825b3e25378db2

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.