Mr. Officer

Recording by Vybz Kartel.

Recording identifiers

ISRC
JMB111700831
CopyrightID (CopyrightChains transaction hash)
0x9e96f28e159a756e2379b6dca4ed6175fa421f276ac1b58f1dd1593ccb81191f
Copyright registration time
2026-06-04T15:58:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:12d6a1ef6fbccf5fc3971dea785b4c2f70fc660c7437a06463bb8a3dc20c7a0f

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.