{
 "format": 1,
 "label": "Summit.OH",
 "fips": 39153,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "221c39b53d63d2c128cbf0685fcdfaf0cdcba94cee93dcf9594d28644e91de00",
 "pda": "CVjUdydcbau9M1Y7cKyEiD9Ytf5fRhFS6HfzUS1dr1xQ",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Summit.OH.1.2026-10.csv",
 "packet_sha256": "dc04a3e9230c2854d38c7b6cee67208ec0f8e47dbe8874dbd01d324a98858ec2",
 "n_parcels": 261040,
 "chunk_size": 2048,
 "n_chunks": 128,
 "n_shards": 175,
 "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": 16,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 3,
 "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."
}