Knuckle, Clench, Fist

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPVI00526490
CopyrightID (CopyrightChains transaction hash)
0xbb40875bd1bebc2800ac543f570d13ee2bc84cb457b38bc50f9aff4f766e8406
Copyright registration time
2026-07-07T10:24:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e0c5519efb8e9ed8cf7bb3c94116e2411db0e6380a2ce90aee67b88b24c66f7c

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.