{
 "active_domains": [
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 ],
 "computed_after_the_fact_by": {
  "commit": "b3a7ef2fbdc3ac1efc7051c1b3476e9e1a2ce711",
  "tool": "tools/orderbook_mirror/backfill_witness_stats.py"
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 "hour": "2026-08-25T07",
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 "products": {
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