{
 "format": 1,
 "label": "Tarrant.TX",
 "fips": 48439,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "1cb718a97730ed3bd095c4d06bcea1fa30ab50be00fe9ab45d4b9fad381c66df",
 "pda": "BiabZNCTQP9ogdQCAj1TkzE1kyacwmjfrXLSxAc17bjJ",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Tarrant.TX.1.2026-10.csv",
 "packet_sha256": "5159808e1c532e2d752966dd420f352b99cff3f9dd1e6eddd915f931ac88b930",
 "n_parcels": 694733,
 "chunk_size": 2048,
 "n_chunks": 340,
 "n_shards": 464,
 "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": 275,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 5,
 "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."
}