{
  "generated_at_utc": "2026-09-08T22:57Z",
  "metric": {
    "metric_name": "GM retail traffic value (USD)",
    "definition": "Dollar value of traffic served over the epoch, priced at GM retail, as displayed on public saygm.com epoch pages ('Traffic value', 'Served this epoch').",
    "source_quote": "What this miner served over the epoch, priced at gm retail. Validators score on it; miners earn alpha emission, not dollars.",
    "is_miner_payout": false,
    "alpha_emission_note": "No per-epoch alpha-emission quantities are published on these pages; the pages only state qualitatively that miners earn alpha emission, not dollars. Units are never mixed or converted.",
    "units": "USD (2-decimal display values, stored as integer cents)"
  },
  "collection": {
    "method": "Normal Playwright WebKit page navigation to public server-rendered pages https://saygm.com/miners and https://saygm.com/miners/{epoch}",
    "robots": "robots.txt verified: Allow /; Disallow /dashboard,/admin,/api,/models/benchmarks. No disallowed path was requested; /api never called.",
    "politeness": "global rate gate >=1.5s between navigation starts + jitter, 2 pages max, breather every 250 requests, retry with backoff, hard backoff on 429/403/5xx",
    "window_started_utc": "2026-09-08T22:24:41.151Z",
    "window_finished_utc": "2026-09-08T22:57:00.006Z",
    "pages_fetched_nonerror": 1650,
    "fetch_errors_remaining": 0
  },
  "coverage": {
    "first_published_epoch": 23353,
    "first_closed_at_utc": "2026-06-18 13:41Z",
    "latest_finalized_epoch": 25001,
    "latest_closed_at_utc": "2026-09-08 22:43Z",
    "epochs_in_range": 1649,
    "published": 1649,
    "no_data_in_range": 0,
    "fetch_errors_in_range": 0,
    "days_with_data": 83
  },
  "totals": {
    "traffic_value_cents": 41146226,
    "traffic_value_usd_display": "$411,462.26",
    "requests": 19310349
  },
  "reconciliation": {
    "epoch_sum_cents": 41146226,
    "daily_sum_cents": 41146226,
    "epoch_sum_requests": 19310349,
    "daily_sum_requests": 19310349,
    "exact_match": true
  },
  "validation_problems": [],
  "data_quality_warnings": [
    "2 adjacent epoch pairs have non-monotonic 'closed' timestamps at the source's minute resolution (early epochs closed minutes apart; e.g., 23442->23443). Recorded as published; day attribution uses each epoch's own timestamp."
  ],
  "integrity": {
    "algorithm": "sha256",
    "files": {
      "epochs.csv": "6d6ac3d646158fcc2a416275f3180d8928d4a5e5eadd3df4027bb62bbe83fafa",
      "daily.csv": "72446cbc61571d9a87487a4d68127e914d1598bee6b725e4f6922d7c6ddd1d4f",
      "gaps.csv": "451d9c668f57bce7b94b5f83c7ec2fd4b666933a684ecdc007752682945d9db0",
      "panel_observations.csv": "97dd8b0e36fcd7f0857394c39547d344704ccc3ee344b11cea3507b6656f4a4e",
      "epochs.json": "97fa7f34fa1bcf9a9bda0c60c556d196ed0f9bb0e3e3203e48ecf6a530dc1cd0",
      "daily.json": "65fb5dff02178c38ca2bc576101565a7690d201211f9c649f94d16c1b664dfc1",
      "epochs.jsonl": "cc41f70a67cd0777b4a4d55c8fc831ab1287317bac26932eafd57e01fc352088"
    },
    "fixtures_dir": "fixtures/"
  }
}