Phase 1 shadow · synthetic · independent  ·  SAWEM Phase 1 Trading Simulator — explainer-grade, not an MMS.  ·  Built from the publicly available Trading Rules; Round 2 not yet gazetted
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 15 · 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: R838.83/MWh

inputs_sha256 (server): ac2917fc99dadcaaced33b362bdc240777ffd67d818863da8235b0fd76ecdb29

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 64d07e7cae413a13e150edd568068a983378e654d8af96800cfcc69683620be1

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/15/replay > receipt.json && npm run verify -- receipt.json.