{
 "format": 1,
 "label": "Allen.IN",
 "fips": 18003,
 "epoch": 1,
 "month": "2026-10",
 "merkle_root": "8a325e908031cedb8197c0afa681b1fc77978d7e68e95fb7c2ab78668761a64f",
 "pda": "J2vbakEZSAsRPaENqSVZ3iMYKpnstHy6jppNV74z1P2j",
 "program": "7mi96nPvP6SB1eApAd7vN2uUEBDvNR9xVvLqPDt3uvwg",
 "packet_file": "Allen.IN.1.2026-10.csv",
 "packet_sha256": "7a519b4f874fd7fdcbe45f58028fbc6961b725541e07c0156e890c552a1fbe34",
 "n_parcels": 163924,
 "chunk_size": 2048,
 "n_chunks": 81,
 "n_shards": 110,
 "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": 84,
 "alias_types": [],
 "has_prefix": true,
 "prefix_len": 5,
 "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."
}