{
 "format": 1,
 "label": "Arapahoe.CO",
 "fips": 8005,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "6941a0878da1d66ccbe7a693d36743229598666ea6bed27b60e1e2b73cd3d1ab",
 "pda": "FcASVvpSz7ZvvEBn9y6dhDz2p9hhZA9YBxdRgZULNYtb",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Arapahoe.CO.1.2026-10.csv",
 "packet_sha256": "c17a18b0c6a7eb42542037eab148661396d0d7c2c5cb07292033691db13298f4",
 "n_parcels": 230946,
 "chunk_size": 2048,
 "n_chunks": 113,
 "n_shards": 154,
 "leaf": "sha256(utf8 parcel_id|acres_6dp|lot_sqft_2dp)",
 "tree": "sha256(left||right); odd level duplicates the last node",
 "shard_key": "sha256(utf8(upper(trim(parcel_id))))[0..4] big-endian u32 mod n_shards",
 "note": "Untrusted layout file. Verify against the on-chain CountyRoot account, not against this file.",
 "n_xshards": 118,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 6,
 "lookup_note": "x/ and p/ are lookup aids (normalized IDs, county aliases, suggestions). They are not part of the leaf or the on-chain root."
}