{
  "label": "Cook.IL / Chicago",
  "fips": 17031,
  "epoch": 2,
  "n_parcels": 1419180,
  "merkle_root": "04700859f66e8de9e4f7714dd6585a3a62262c15ab88951c6456a08e12fb27f1",
  "schema": "countyroot/leaf/v2: sha256(0x00|tag|fips|len|id|occ|acres_micro|sqft_centi); node 0x01 promote-odd; root 0x02|tag|fips|epoch|n|top; sorted by key,id,occ",
  "schema_sha256": "b309043c77b9aa529244033ecbcaa030615fa949993c835bade21fd2abfbf00d",
  "leaf_version": 2,
  "posted_at": null,
  "pda": "447ocgQ67mRZG888ttEQPARdJHBRTRkEFu2o2J9sRzEp",
  "supersedes_epoch": 1,
  "derived_from": {
    "packet": "Cook.IL.1.2026-10.csv",
    "packet_sha256": "3eb77ff117ffdf01602a2712f80215fa2fd99e471647629e02e2ec2f05996dcc",
    "v1_epoch": 1,
    "v1_root": "67d67fdf4d6c771a72adfb2dd1d6e105f31713e6eb2149ea2f9eaf54618027e5"
  },
  "note": "Same parcels as epoch 1, fingerprinted in leaf format v2 (docs/leaf-v2.md: one leaf per row with a repeat number, integer units, sorted by normalized ID, fips/epoch/count bound into the root)."
}