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 03 · 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: R853.69/MWh

inputs_sha256 (server): 7ab4ae48b928dd65c0a826083c71bb71cf7b8acb3ab3ec847852f37f5d04f0a7

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 850d857f3911c1916b390ce9f4a80a705101b1cd3647ce6110f1f17a5acbbe61

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/3/replay > receipt.json && npm run verify -- receipt.json.