君は僕の勇気

Recording by 東野純直.

Recording identifiers

ISRC
JPTE09304490
CopyrightID (CopyrightChains transaction hash)
0x754f0e0c35a51f123d958dff6f471b6c8142b887935da7a58cb349c0b1de8bbf
Copyright registration time
2026-07-07T16:25:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:8ca73634a914869880e2ce7102ed35b76bbe10b9c6f0d29cde7729aa813cd5e1

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.