Phase 1 shadow · synthetic · independent  ·  SAWEM Phase 1 Trading Simulator — explainer-grade, not an MMS.  ·  Trading Rules Round 2 (12 April 2026 v01 draft)
Trading day 2026-05-29 virtual hour 00 Auction state: ACCEPTING gate close in 18h:00m DAM clear IDM re-clear Balancing Settlement
SAWEM
Browser receipt verifier

Hour 05 · in-browser

Your browser hashes the receipt inputs and outputs with WebCrypto and compares to the server-computed digests. No server trust required beyond the JSON payload itself.

SMP: R831.49/MWh

inputs_sha256 (server): 99d56d7eefa6a5ccf6760395bda018a69eecccc6505af1d27dd019bcdb752abe

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 81f072785cd3faa9919c55fb0099fb0066c984433e5c20f18c1e8d938b39d915

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/5/replay > receipt.json && npm run verify -- receipt.json.