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 16 · 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: R865.47/MWh

inputs_sha256 (server): dd1861e02b65092bdacf3ec4b4b764a8b3560bfb9cb3ec3d349b3c545f910582

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 5cbf569cf2bd3ef6122445303f4fb2e8c39223c231c1c8b6377a65a1fc9c3341

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/16/replay > receipt.json && npm run verify -- receipt.json.