Evidence row 557481

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "One parcel's stored record and its checks: the county value, last sale, years held, lot, zoning line, water, outbuildings, the recorded signs an owner may sell, and (Colorado) every stored check such as tax delinquency, estate records, code cases, permits, wildfire and flood. Find it by shinnslist key, by street address (with ZIP when you have it), or by latitude and longitude.",
      "inputSchema": {
        "properties": {
          "address": {
            "description": "A street address, like 874 Cold Spring Rd.",
            "type": "string"
          },
          "key": {
            "description": "The shinnslist parcel key, like CO|Boulder|R0012345, from an earlier answer.",
            "type": "string"
          },
          "lat": {
            "description": "Latitude in decimal degrees, with lng.",
            "type": "number"
          },
          "lng": {
            "description": "Longitude in decimal degrees, with lat.",
            "type": "number"
          },
          "zip": {
            "description": "The five-digit ZIP, with address.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "check_parcel"
    },
    {
      "description": "How shinnslist grades itself, in plain words: personas open only after a hand check against county records, signals proven only by a test against their live source, the daily ranking graded against what actually sells, and how close the value estimate comes to real sale prices (the buyer-price floor is the bar). Returns the current numbers and the page to cite.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "explain_grading"
    },
    {
      "description": "Find off-market parcels in a Colorado or Virginia county, town or ZIP from county records: who is likely to sell and why. Pick a trade for a buyer's list: wholesaler (absentee owners, held 10+ years, bought for under half of today's value), flipper (dated homes next to updated sales), str_investor (mountain-town homes with absentee owners), developer (land is most of the value), cash_investor and brrr (rent against value), land (empty lots), two_households (a family compound: room for two households), realtor (estate, tax lien, code case or stalled permit). Returns parcels with address, county value, last sale, years held and a shinnslist link; never owner names.",
      "inputSchema": {
        "properties": {
          "county": {
            "description": "County name as the county files it, for example Boulder, Larimer, Weld, Jefferson, Adams, Broomfield, Summit, Eagle, Grand (Colorado) or Henrico, Chesterfield (Virginia).",
            "type": "string"
          },
          "duplex_ok": {
            "description": "Zoning allows a duplex on the lot by right.",
            "type": "boolean"
          },
          "limit": {
            "description": "How many parcels to return, at most 25 (default 10).",
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "max_drive_city_mins": {
            "description": "At most this many minutes by road to the nearest city.",
            "minimum": 1,
            "type": "integer"
          },
          "max_drive_town_mins": {
            "description": "At most this many minutes by road to the nearest town with a grocery store.",
            "minimum": 1,
            "type": "integer"
          },
          "max_finished_sf": {
            "description": "At most this many finished square feet.",
            "minimum": 0,
            "type": "integer"
          },
          "max_tenure": {
            "description": "Held at most this many years.",
            "minimum": 0,
            "type": "integer"
          },
          "max_value": {
            "description": "The county value is at most this many dollars.",
            "minimum": 0,
            "type": "integer"
          },
          "max_year_built": {
            "description": "Built in this year or earlier.",
            "minimum": 0,
            "type": "integer"
          },
          "min_beds": {
            "description": "At least this many bedrooms on the assessor's record.",
            "minimum": 1,
            "type": "integer"
          },
          "min_finished_sf": {
            "description": "At least this many finished square feet.",
            "minimum": 0,
            "type": "integer"
          },
          "min_tenure": {
            "description": "Held at least this many years since the last recorded sale.",
            "minimum": 0,
            "type": "integer"
          },
          "min_value": {
            "description": "The county value is at least this many dollars.",
            "minimum": 0,
            "type": "integer"
          },
          "min_year_built": {
            "description": "Built in this year or later.",
            "minimum": 0,
            "type": "integer"
          },
          "offset": {
            "description": "Skip this many parcels first (paging).",
            "minimum": 0,
            "type": "integer"
          },
          "state": {
            "description": "CO or VA. Optional when county or zip is given.",
            "enum": [
              "CO",
              "VA"
            ],
            "type": "string"
          },
          "teardown": {
            "description": "A teardown: an old or small house on land worth most of the value.",
            "type": "boolean"
          },
          "town": {
            "description": "A Colorado or Virginia town or city name, for example Lyons or Estes Park. Matched to the parcels within about five miles of the town.",
            "type": "string"
          },
          "trade": {
            "description": "The buyer's trade: one of the doors above. Omit for every parcel in the area.",
            "enum": [
              "wholesaler",
              "str_investor",
              "realtor",
              "flipper",
              "developer",
              "cash_investor",
              "brrr",
              "land",
              "two_households"
            ],
            "type": "string"
          },
          "water_rights": {
            "description": "Colorado only: a decreed water right whose point of diversion is on the lot. Virginia has no water rights to own.",
            "type": "boolean"
          },
          "wells": {
            "description": "Colorado only: a well permit on the lot.",
            "type": "boolean"
          },
          "zip": {
            "description": "A five-digit ZIP code.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "find_parcels"
    },
    {
      "description": "Which counties and cities shinnslist covers, how many parcels each holds, how fresh they are, which buyer's trades are open, and how many signals are proven. Call it first when unsure whether an area is covered.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_coverage"
    },
    {
      "description": "The signals shinnslist has proven against their live public source, with the date, precision and recall of each proof. Only proven signals are listed; run one with run_signal. Nothing pending or planned appears here.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_signals"
    },
    {
      "description": "Run one proven signal adapter live at a point in Colorado or Virginia (see list_signals for the ids). Needs an API key (x-api-key; a free key from POST /api/keys) and counts against its daily quota; the aggregate tools above do not.",
      "inputSchema": {
        "properties": {
          "lat": {
            "description": "Latitude in decimal degrees.",
            "type": "number"
          },
          "lng": {
            "description": "Longitude in decimal degrees.",
            "type": "number"
          },
          "signal": {
            "description": "A proven signal id from list_signals, like tax_delinquency_early_warning.",
            "type": "string"
          }
        },
        "required": [
          "signal",
          "lat",
          "lng"
        ],
        "type": "object"
      },
      "name": "run_signal"
    },
    {
      "description": "How many parcels shinnslist tracks in a county, town or ZIP, with the count behind each buyer's trade (wholesaler, flipper, STR investor, developer, cash investor, land, family compound, realtor) and the as-of date. Counts come from county records, never estimates.",
      "inputSchema": {
        "properties": {
          "county": {
            "description": "County name as the county files it.",
            "type": "string"
          },
          "state": {
            "description": "CO or VA. Optional when county or zip is given.",
            "enum": [
              "CO",
              "VA"
            ],
            "type": "string"
          },
          "town": {
            "description": "A town or city name (parcels within about five miles).",
            "type": "string"
          },
          "zip": {
            "description": "A five-digit ZIP code.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "town_stats"
    }
  ]
}

What the leaf hashes

{"body":"7344a4b290a57d796c831558197f52f79b1151497190d8f33989590b3fb39fab","id":557481,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793134562421008,"prev":null,"subject":"29a3830b-7891-4d25-80f0-9ff647e74d29","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x494dbfcb67f12ccf4a08bc71b15c45ee3d5596d12f2c45d491ead709a37acbe0
2. 0x971c3984c615ce5cdbf18e3dd30ab1a365432db6f03d0a447cc2e131fd6be081
3. 0x9aa6a0a4b34a335b630a58dd885529d89a3f1f743c4a796e61c2e591cc3ae521
4. 0x59152b1666b7891af5a3dcd953cf8beebffa9f7751785d57ff78f1455f48d2d6
5. 0xc758fa440e4efd64238455e25733d1f15fdba97037fa67b582e2fe771f28803b
6. 0x8cc4b9bf5c6db3adf55f662a0d7bffdb20b1225e7634e020bcedbe2a917419a9
7. 0x2d430b036d111d371c51d7fed35bdd357638d34c68ce3d0139361bd0face77ba
8. 0xeb929b3f14925cae6f6b5bbee706ceb67107874241b2e4113ed18e8076341b55
9. 0x8d28dd0833e3f5ec197838646f8cd1a5e2f6cc8c8c2caff731a383b15669da23
10. 0xa1f401b0c1aa499980430f67810c758c114bb9ec037661630bfa5ea89a4ed860
11. 0xf38b609ad597fce93b27c195650b896689a01ed74ab6b03ca25db0fce3815293
12. 0xa6ea35fd4950cdcd8e7e5b8dcbb37883deca6fa621672fcdbde7ee38017f71bb
13. 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4