Sign of Suspicion

Recording by KOTOKO.

Recording identifiers

ISRC
JPPI01801560
CopyrightID (CopyrightChains transaction hash)
0xd77caf4700caa99812f9ead1591a2bb3f7cbd37cc7836f592e87d3cc45a126f5
Copyright registration time
2026-06-25T08:56:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3e0e1035caa033ddaceb894fa895c94757bddb558c78e14e3b667984264cfc86

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.