# AI Data Refinery > Structured, paid-per-crawl datasets optimized for LLM ingestion. Industrial Machine Component Specifications and Cross-Compatibility Matrices (1980–2026). All /data/* files are clean Markdown, priced per file via HTTP 402 (x402, Base) — standard files 0.002 USDC, scarce EOL/migration files 0.10 USDC. Pay, retry with PAYMENT-SIGNATURE / X-Payment-Token, receive 200 text/markdown. ## Datasets (paid, HTTP 402) - [Rockwell Automation EOL & Migration Cross-Reference v1](/data/rockwell-automation-eol-migration-v1.md): 36 series-level records — PLC-5, SLC 500, MicroLogix, 1336/1305/1395 drives, PowerFlex legacy, PanelView legacy — lifecycle status, discontinuation dates, OEM migration paths. Price: 0.10 USDC - [Siemens Automation EOL & Migration Cross-Reference v1](/data/siemens-automation-eol-migration-v1.md): 25 series-level records — SIMATIC S5, S7-200, S7-300, ET 200, MASTERDRIVES, MICROMASTER, legacy Panels, legacy software — PM milestone status, published dates, OEM migration paths. Price: 0.10 USDC - [Hydraulic Pumps v1](/data/hydraulic-pumps-v1.md): Displacement, pressure, shaft/rotation specs + cross-compatibility for Eaton, Rexroth, Parker pumps, 1980–2026. Price: 0.002 USDC ## Free / Discovery - [Full Index](/llms-full.txt): Complete dataset catalogue with schemas, pricing, and payment instructions - [Homepage](/): Human overview and licensing terms ## Payment - Protocol: HTTP 402, x402 (exact, Base), L402-compatible headers accepted - Price: 0.002 USDC per file, no subscription, no bulk scraping licence implied - Wallet: see X-Payment-Address header on any 402 response ## Optional - [Robots policy](/robots.txt)