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 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: R851.21/MWh

inputs_sha256 (server): 70df10f175a030d536de3198ab61fd0b58b3ffe4b0063d00d26a8906e06fc204

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 32a2ba07db94ed1486e70580cb27fbd839c768dc2ded501c3a7a5e5206cdb8ec

outputs_sha256 (browser): …computing…

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