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 08 · 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: R862.87/MWh

inputs_sha256 (server): 4fb0da0661289927ab0c70ebc8696ca42b07ff7f65cc70a16c64f7379ec70b9d

inputs_sha256 (browser): …computing…

outputs_sha256 (server): ec81905a3a284264c624a5e66e1c27f66fe94b07feb81b380f72e4caf49615f5

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/8/replay > receipt.json && npm run verify -- receipt.json.