{
 "format": 1,
 "label": "Anchorage.AK",
 "fips": 2020,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "9d13c542e77bb3f43574f93d5778f1c874a734e0455f00889f0809c78da148c6",
 "pda": "DMG4KZxmgyZExoS5ZLGx2EpZmkXwRTrshujeYsLSZ3b5",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Anchorage.AK.1.2026-10.csv",
 "packet_sha256": "2c1509596f353e8e20086c2ed9db1777ab4749c608751798d97e05d26662ad3f",
 "n_parcels": 98567,
 "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": 3,
 "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."
}