Coup de Grace - Jazz Arrangement

Recording by 伊藤 賢治.

Recording identifiers

ISRC
JPA842003756
CopyrightID (CopyrightChains transaction hash)
0xb68f44ee2c8f29dfbafc7e745ed41172d5b13301a93e90b86b9e747446cdcbba
Copyright registration time
2026-07-30T16:36:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:8618ca6d6e13fed1799baa28099d8592fdfaed6ae795c293769433f9260843c0

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.