{
  "_about": "rank.fast guest post pilot: public per-placement log. Placements are anonymized (P01, P02...) so results are auditable without identifying host sites or suppliers. Protocol: https://rank.fast/blog/pilot-protocol/",
  "_fields": {
    "id": "P01, P02, ... in order-time order",
    "ordered": "ISO timestamp of purchase",
    "dr_band": "DR 40-49 | DR 50-59 | DR 60+ (as listed at order time)",
    "quality_grade": "our published 1-5 grade of the host site",
    "niche": "host site niche",
    "target_page": "the rank.fast page the link points at",
    "baseline_28d": "target page's trailing-28d Search Console numbers at order time: impressions, clicks, avg_position",
    "host_indexed_before": "was the host page already indexed at order time (guest posts: false, page is new)",
    "delivered": "ISO timestamp the placement went live as ordered, or null",
    "indexed": "ISO timestamp the host page was confirmed in Google's index, or null",
    "check_30d": "pass | fail-<reason> | pending",
    "check_90d": "pass | fail-<reason> | pending",
    "outcome_notes": "plain-language note incl. any failure detail"
  },
  "placements": []
}