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 22 · 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: R853.57/MWh

inputs_sha256 (server): 48575a67c8b1c2e8549855ab8d4e7b854eb175f4038217f96bf994cd1d452f03

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 29f5a45c56777057229b9d20eb2289585227dfd0ed29fddeb67d8a8531784312

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/22/replay > receipt.json && npm run verify -- receipt.json.