Mr. Officer

Recording by Vybz Kartel.

Recording identifiers

ISRC
JMD751010009
CopyrightID (CopyrightChains transaction hash)
0xce42b8e993d6e1aceca89ae3a2b16ade6ff8464db3457df4c0db7ffd0e4966ff
Copyright registration time
2026-06-05T15:48:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:dc6a7c88a08215c26a899b2e6e0d912cd5b6f154d3201799512aeefc3fb38b63

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.