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 14 · 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: R849.01/MWh

inputs_sha256 (server): 323b67e08de31f89b84b0f3e02c39e3b34bd427b945ac429cb26e5e18236f59b

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 3846a77b5afdf489b16a6241840882c90d7dcae41344fb1689683916cd30e616

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/14/replay > receipt.json && npm run verify -- receipt.json.