おしまい~妖精円卓領域:O・ヴォーティガーン

Recording by 芳賀 敬太.

Recording identifiers

ISRC
JPE302101508
CopyrightID (CopyrightChains transaction hash)
0x843f5377fa9f86f07a45543bed93f0c74cc3ad987feffc2e4b0319193cd34197
Copyright registration time
2026-06-07T07:02:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:415171a0ff1c637eb6a678419206cbb670fc4ef981a110143bb05bb10e5859d9

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.