敗北

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPE301900216
CopyrightID (CopyrightChains transaction hash)
0xba11ba3ce534b9870f9033f5bbba3d2cb37345ed6ff5480e9b4a5ffd5a6ff0da
Copyright registration time
2026-06-25T15:27:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:c02274415da13616bd57fbcf50f6216b93f70d63e3ce29390825f84c6bbfcced

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.