{
 "format": 1,
 "label": "Canadian.OK",
 "fips": 40017,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "285b542df402c87a0be7b39d3eb09e50ae321830048a24c0645bd7c5bc86eed4",
 "pda": "BVrmQNpw5q1vNJc27yM7ED95ktd5Vv5kRe9DrRQjZRRT",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Canadian.OK.1.2026-10.csv",
 "packet_sha256": "e5e0a7aed2ed50b2c4289e55ebd66580dd5a0a5e4ed583a6d2658429eeb01934",
 "n_parcels": 84336,
 "chunk_size": 2048,
 "n_chunks": 42,
 "n_shards": 57,
 "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": 44,
 "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."
}