{
 "format": 1,
 "label": "Davidson.NC",
 "fips": 37057,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "38effe9ba602bb4cfa67adde87be44ddf442cbf9371b8d704d98d4b78ba9dc1b",
 "pda": "2ppJYFChuBDZGkqj8WYX2y3DSL7F5oMN7raqL7d1DPnS",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Davidson.NC.1.2026-10.csv",
 "packet_sha256": "6ffe7c7750bc885ba4121ac696660819b3194dc7b8c70e6793f6ff2393f59cab",
 "n_parcels": 98494,
 "chunk_size": 2048,
 "n_chunks": 49,
 "n_shards": 66,
 "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": 40,
 "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."
}