{
 "format": 1,
 "label": "Washington.AR",
 "fips": 5143,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "c4e6afe68896cfdebc19139cf566bd646a3a4a47d6b7237e90d997873b35db73",
 "pda": "76DN9Hes4eSaJXh6ErK6LexhWcgNNt3n2LG2DY9RUA47",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Washington.AR.1.2026-10.csv",
 "packet_sha256": "65d80b2edf97513cb70882463f575b608a53dbcdc7f2dfd1be1fea67729a9c94",
 "n_parcels": 114791,
 "chunk_size": 2048,
 "n_chunks": 57,
 "n_shards": 77,
 "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": 59,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 8,
 "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."
}