{
 "format": 1,
 "label": "Macomb.MI",
 "fips": 26099,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "a6d8ff5283d8a003750a07e04df7114e710254fa4dd4760b898ff0d4d1ec4979",
 "pda": "FZVCESvy6tdUhyqiNjkM6LdbaBCkrbxpH2kQxNHvrzei",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Macomb.MI.1.2026-10.csv",
 "packet_sha256": "21a49ddabf6577fe7a7a2eb29437c3264472d98e17a62601d6e0f436b052dd2e",
 "n_parcels": 332820,
 "chunk_size": 2048,
 "n_chunks": 163,
 "n_shards": 222,
 "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": 134,
 "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."
}