グロテスク

Recording by Ken Hirai.

Recording identifiers

ISRC
JPBV01420032
CopyrightID (CopyrightChains transaction hash)
0x26e5ebe71f11a69a6892a688a05511b64976a7d6f0a9777e5fa0bc76424951de
Copyright registration time
2026-06-08T23:11:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:542e91d5903767aec87023babad468999377f8e794eef8e81263d073083e287f

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.