{
 "format": 1,
 "label": "Davidson.TN",
 "fips": 47037,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "ca0c9020dd23a91ce69bc1970b8d9efaa786281989f7a0e4ef8c7989f1b2d404",
 "pda": "HDvcs7fRAUoEe41dLScEfzgcb73nn2yKree59VnFXYKE",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Davidson.TN.1.2026-10.csv",
 "packet_sha256": "5abb044a932a7c81ec74720f8b6ae46c7cb7f7819a6846cf24055fb024aaa585",
 "n_parcels": 287577,
 "chunk_size": 2048,
 "n_chunks": 141,
 "n_shards": 192,
 "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": 57,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 4,
 "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."
}