Dark Activity

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPG750800493
CopyrightID (CopyrightChains transaction hash)
0x8bea378fb1e1a4fa8859484d9aa9cdc36584582b2819da8debb9f5b64c0d7f58
Copyright registration time
2026-06-11T04:38:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:dad6f0380b890dcae218d24585f120b156f1ba2559225f876b9c28e138c0848a

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.