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 09 · 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: R854.47/MWh

inputs_sha256 (server): b3bdf72305bd645db0faf305ce571293bd0da7a0ad150ed27fd3e72d59186ff9

inputs_sha256 (browser): …computing…

outputs_sha256 (server): 8caab4b1608bbc86859a640f3cfafedcd749869cb3b269411cf4773f18b440f3

outputs_sha256 (browser): …computing…

Want the CLI version instead? curl -s /api/clearing/9/replay > receipt.json && npm run verify -- receipt.json.