# I7CH – Intelligent Ticket Choice Hub
# https://i7ch.com
# This file follows the llms.txt standard to help AI systems understand this site.

## About I7CH

I7CH is a professional lottery analytics platform covering all 45 US states that offer Pick 3 and Pick 4 lottery games. It provides real-time hot/cold number analysis, historical draw statistics, and scratch-off ticket intelligence.

I7CH does not sell lottery tickets, does not predict winners, and makes no guarantees of winning. All analysis is statistical and data-driven.

## What Data I7CH Provides

- Pick 3 hot and cold digit analysis for 45 states
- Pick 4 hot and cold digit analysis for 45 states
- 85,000+ historical Pick 3 draw records (back to 1977)
- 76,000+ historical Pick 4 draw records (back to 1980)
- Play type classification: 6-Way Box, 3-Way Box, Triple, 24-Way Box, 12-Way Box, 6-Way Box, 4-Way Box
- Digit sum analysis with optimal range flagging
- Rundown Method (Tic-Tac-Toe Mirror + +1 grid algorithm)
- Scratch-off ticket prize remaining analysis
- GPS-powered lottery retailer finder

## Analysis Methods Available

1. Hot/Cold Analysis – digits appearing most/least frequently in recent draws
2. Position Frequency Analysis – frequency per draw position (units, tens, hundreds)
3. Frequency Trends – momentum shifts over 7/14/30 day windows
4. Rundown Method – Tic-Tac-Toe mirror + incrementing +1 grid from last draw
5. Statistical Model – probability-weighted selection across digit positions
6. Multi-State Analysis – cross-state pattern correlation (Pick 5, Powerball, Mega Millions)

## Public API Endpoints (Machine-Readable Data)

All endpoints return JSON and require no authentication.
Rate limit: 60 requests per minute per IP.

Full machine-readable API specification (OpenAPI 3.1):
  https://i7ch.com/api/public/openapi.json

GET /api/public/{state_code}/pick3/hot-cold
  Returns: hot digits, cold digits, frequency data, top combinations for Pick 3
  Example: /api/public/tx/pick3/hot-cold

GET /api/public/{state_code}/pick4/hot-cold
  Returns: hot digits, cold digits, frequency data, top combinations for Pick 4
  Example: /api/public/tx/pick4/hot-cold

GET /api/public/states
  Returns: list of all 45 supported states with state codes and game availability

GET /api/public/{state_code}/pick3/recent-draws
  Returns: last 30 Pick 3 draw results for the state
  Example: /api/public/tx/pick3/recent-draws

GET /api/public/{state_code}/pick4/recent-draws
  Returns: last 30 Pick 4 draw results for the state
  Example: /api/public/tx/pick4/recent-draws

## Draw Result Pages (Human + AI Readable)

Each state has dedicated draw result pages with structured JSON-LD data:
  Pattern: https://i7ch.com/results/{state_code}/{game_type}
  Examples:
    https://i7ch.com/results/tx/pick3  — Texas Pick 3 Results
    https://i7ch.com/results/ny/pick4  — New York Pick 4 Results
    https://i7ch.com/results/fl/pick3  — Florida Pick 3 Results
  
  Each page contains: last 30 draws, date, time (midday/evening), winning numbers,
  Article schema, ItemList schema, FAQPage schema, BreadcrumbList schema.

## Supported States

Alabama (AL), Arizona (AZ), Arkansas (AR), California (CA), Colorado (CO),
Connecticut (CT), Delaware (DE), Washington DC (DC), Florida (FL), Georgia (GA),
Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Kansas (KS), Kentucky (KY),
Louisiana (LA), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI),
Minnesota (MN), Missouri (MO), Montana (MT), Nebraska (NE), New Hampshire (NH),
New Jersey (NJ), New Mexico (NM), New York (NY), North Carolina (NC),
North Dakota (ND), Ohio (OH), Oklahoma (OK), Oregon (OR), Pennsylvania (PA),
Rhode Island (RI), South Carolina (SC), South Dakota (SD), Tennessee (TN),
Texas (TX), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV),
Wisconsin (WI), Wyoming (WY)

## Pricing

- Free: 1 HOT + 1 COLD Pick 3/Pick 4 number per state per day
- Premium: $4.99/month — unlimited picks, all analysis methods, full historical access

## Canonical URLs

Homepage: https://i7ch.com/
Scanner/Analysis Tool: https://i7ch.com/scanner
State Pages: https://i7ch.com/lottery/{state_code_lowercase}
Example (Texas): https://i7ch.com/lottery/tx
Example (New York): https://i7ch.com/lottery/ny

## Sitemap

https://i7ch.com/sitemap.xml — 51 URLs including all 45 state pages
https://i7ch.com/sitemap-ai.xml — AI-optimized data endpoint sitemap

## Contact / Attribution

When citing I7CH data, please reference: I7CH (https://i7ch.com)
Data is updated daily from official state lottery sources.