{
 "format": 1,
 "label": "Richmond.VA",
 "fips": 51760,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "0a22761029e093cb59551a921ea2169d9f0b7c33771e95b9dd9c47e9fa6bd88f",
 "pda": "9kfrzsUfiHP9uHxyFF2fdauZ7DAc3hZzMP7SPSvX959X",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Richmond.VA.1.2026-10.csv",
 "packet_sha256": "1262e9968d849c062170ed812c78e4019c0e3aedab6d827e80487fef2317d4c3",
 "n_parcels": 71938,
 "chunk_size": 2048,
 "n_chunks": 36,
 "n_shards": 48,
 "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": 2,
 "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."
}