No download · runs in your browser
Read One Card
The data silos are Hollerith cards: deterministic, so reading one needs no model call. Paste a card's address or number, or drop a card file, and this page fetches and shows it, with its provenance chain, checked in your own browser. Nothing you paste or drop here is uploaded anywhere.
Card number (qid)
Any of the 999 published proof cards from Prove It Here: THE 300 and THE 700. Enter its number.
Card address (hex:...)
A question somebody published on Questions Somebody Else Asked, or a proof card's hex connector. The address is recomputed from the card's own words before it is shown.
Drop or paste a card file
Accepts a Prove It card, one JSON object. This page recomputes its address from its own contents and tells you whether it still matches.
Drop a card .json file here, or use the file picker, or paste the JSON text below.