行進曲「勇気のトビラ」

Recording by 高橋宏樹.

Recording identifiers

ISRC
JPJ672012808
CopyrightID (CopyrightChains transaction hash)
0xd4f3bdd4ee5eeb44de2f456fd40898c88a68eb8e434f415cc96150a0d0b9a2e5
Copyright registration time
2026-07-06T08:31:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:924a8e2efda646ee932895d313341414ca2dd7df2f554bd261afa2db93f03330

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.