極限の刻へ

Recording by 芳賀 敬太.

Recording identifiers

ISRC
JPE301800055
CopyrightID (CopyrightChains transaction hash)
0xd0eea00e8a61502cd3f3baf5e8848c3aa9dee19f20cfabd3255f6148c24043cf
Copyright registration time
2026-07-31T08:26:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:855b39e16ddf402358161cf261414c2aa7a96603ed292d104c0ce1db96d87f2d

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.