超絶的鍔迫り合い

Recording by 伊藤真澄.

Recording identifiers

ISRC
JPI102102339
CopyrightID (CopyrightChains transaction hash)
0xe9c4ad974a370334087d3a850d4986e2d69ab37e337c7dbed03eeba1b253a1af
Copyright registration time
2026-07-29T14:37:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:15546aa4f1bf6f8bae6c8b4883eec35805ee44bc6e0c76520417812c8026ff6f

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.