Provenance Passport

Genesis

Doug Argue, 2018

Passport ID

f257cfc8-84a5-4fc8-bf7d-da4951723643

Entries

1

Chain Integrity

✓ Intact

Chain of Custody

Added to The Back Room

9/2/2026, 12:09:07 AM

hash: 515e23f670c672764aa4960213f6cb0c7c4c0534001ead3418d7d5749ff94774

prev: — (genesis)

Each entry above stores a cryptographic hash of the entry before it, forming an append-only chain — altering any past entry would break every hash after it. This is not a public blockchain; it's maintained privately by The Back Room and verified the same way: by recomputing each hash and confirming it matches.

The Back Room · backroom.art

Certificate of Provenance

Genesis

Doug Argue, 2018

Verification QR code

Passport ID

f257cfc8-84a5-4fc8…

Entries Recorded

1

Ledger Integrity

Verified Intact

Chain of Custody

Added to The Back Room2 Sept 2026

This certificate attests that the chain of custody above is recorded on The Back Room's private, hash-chained provenance ledger and has been verified intact at time of printing.

Authorised Signatory

The Back Room

30 September 2026