{
 "format": 1,
 "label": "Osage.OK",
 "fips": 40113,
 "epoch": 2,
 "month": "2026-10",
 "merkle_root": "bf012e2f99dc3bfb8929c58cde864504994f25fb2ed76c75657079c4cda61ee0",
 "pda": "cGygCyegsHHEpk4swrNNNiQgQVHrS9UjGC5cA7gfL2n",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Osage.OK.2.2026-10.csv",
 "packet_sha256": "2289605fdd92e27b5cfbb8cf68c5ab68f1d501d8e49e912f8ee5f0dfbf7f63c3",
 "n_parcels": 41941,
 "chunk_size": 2048,
 "n_chunks": 21,
 "n_shards": 28,
 "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": 17,
 "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."
}