Two Hands
Try it / tally sheet

120301C0400

INE 2024 tally sheet, type 2 scanner Guerrero certified by comparison sample: clean control

Measured on AMD: Gemma-4-31B-IT, 2026-10-14, 24.6 s, $0.000102stored read

Every check holds: accepted, nothing to key
Gemma's read of this sheet passes every check of the paper's own arithmetic.
Privacy-masked page of form 120301C0400

Straightened by its corner marks; the right-hand column (officials' names and signatures) is blacked out before the page is stored or sent to the model.

Watch it run

Read this sheet again, live

Gemma-4-31B-IT reads the masked page on AMD; the gate checks each field as the answer arrives.

About a minute. One live read runs at a time for the whole site; yours waits in a short queue and shows its place.

How it's checked

Gate: Accepted: 0 fields to key

The paper's own checks

✓ rows sum to TOTAL 312 = 312
✓ votaron + representantes = section 5 312 = 312
✓ section 5 = section 7 312 = 312
✓ section 7 = TOTAL 312 = 312
✓ words = digits on every field 23 of 23
Receipts

Every disputed field of the sample audit of 300 sheets gets a Merkle receipt: its record, the SHA-256 of its crop, and a proof path to one published root. This sheet is not in that sample; see a receipt verified on sheet 122655C0100.

Full trace: two real sheets, request to receipt · Source code

All fields (23), and other runs of this sheet
Gemma · measured runQwen3.8 · second readerGemma · earlier prompt

Gemma-4-31B-IT, page + 3 tiles. sourceresults/pilot/tally-witness/results/gemma__*.json This read predates the row-label check; labels are checked on newer reads. Read in 24.6 s, $0.000102.

FieldDigitsWordsOfficial
capture		Certified
Unused ballots
section 2
 428 428 428 ✓
Voters on the list
section 3
 307 307 307 ✓
Representatives who voted
section 4
 5 5 5 ✓
Voters + representatives
section 5
 312 312 ✓
Ballots taken from the boxes
section 7
 312 312 312 ✓
Option 01 8 8 8 8 ✓
Option 02 18 18 18 18 ✓
Option 03 6 6 6 6 ✓
Option 04 20 20 20 20 ✓
Option 05 26 26 26 26 ✓
Option 06 18 18 18 18 ✓
Option 07 181 181 181 181 ✓
Option 08 0 0 0 0 ✓
Option 09 0 0 0 0 ✓
Option 10 0 0 0 0 ✓
Option 11 0 0 0 0 ✓
Option 12 13 13 13 13 ✓
Option 13 3 3 3 3 ✓
Option 14 2 2 2 2 ✓
Option 15 7 7 7 7 ✓
Unregistered candidates 0 0 0 0 ✓
Null votes 10 10 10 10 ✓
TOTAL
section 6
 312 312 312 312 ✓

Options 01–15 are the form's vote rows in printed order, shown without party names. Digits and words are the model's two independent readings. Official capture: the double-keyed official capture of this image (PREP). Certified: the certified district count (Cómputos), which has no section 2-5 or 7 values. Amber: the capture differs from the model. † eye-checked: the capture mis-keyed the field. Against the official capture this read differs on 0 of 22 fields; after eye-checking, 0.

Now on 300 sheets: the sample audit