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 07 · 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: R854.47/MWh

inputs_sha256 (server): ac2d65dd78a022ed7fd5cc73914eff8015067827e92e1df9eb0cebe3eee7bb9a

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 780121ab7b9180b433859873031dd76b9d4776f5c51954670db2c14ce38acbc2

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/7/replay > receipt.json && npm run verify -- receipt.json.