{
 "format": 1,
 "label": "Fulton.GA",
 "fips": 13121,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "2fec392f4c73421a536a4b13056d40b48f26df8908a521007cf1b11a2229da0c",
 "pda": "3GYQ1NZCUMywx7FzvsxAekeRpaMXykJa1UViLdXcqda3",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Fulton.GA.1.2026-10.csv",
 "packet_sha256": "0905508f1a8fa18f429765c32de023f35d36b6f34f77b2da267c234d45d8f60d",
 "n_parcels": 373242,
 "chunk_size": 2048,
 "n_chunks": 183,
 "n_shards": 249,
 "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": 185,
 "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."
}