{
 "format": 1,
 "label": "Jefferson.AL",
 "fips": 1073,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "e2714db5741de649d84a688ede472696537ad5392dbee00a5f562d3a5d9646d2",
 "pda": "BoScB8k7nxuV5RuWvFE1brDHEotBk9fPFPNioehXjWTS",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Jefferson.AL.1.2026-10.csv",
 "packet_sha256": "0161a34fa6539808310983ee23bd4f0f7a4e83eb911a419f0d1e8a6e3eb8f910",
 "n_parcels": 320925,
 "chunk_size": 2048,
 "n_chunks": 157,
 "n_shards": 214,
 "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": 15,
 "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."
}