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 02 · 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: R850.02/MWh

inputs_sha256 (server): 70e67a1d31ea0e084f2b56a2ad0b57bb1f2644405209ae4348a91e00975c574c

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 428d615e507cdc12c579f80184f1cbefa3ef17989bdf928d2fa141abd1f2a1a0

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/2/replay > receipt.json && npm run verify -- receipt.json.