{
 "format": 1,
 "label": "SanPatricio.TX",
 "fips": 48409,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "1b6b9b3072c27ea62e76a42323f778a1f4a3ae3493c3332241ec471e1f9bb224",
 "pda": "7y2JLSEZY9Naa35FVWgz22sMYCW6hNKMgsmGhYsyuaKv",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "SanPatricio.TX.1.2026-10.csv",
 "packet_sha256": "5c02e25a1e66a255a60e8018b0ecd2617d71f8ec2cd73ce34283f3ece4726279",
 "n_parcels": 38584,
 "chunk_size": 2048,
 "n_chunks": 19,
 "n_shards": 26,
 "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": 1,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 1,
 "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."
}