Evidence row 1295104

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Awarded service and supply contracts whose term ends within the next months according to the notice (end date or duration, without renewals), with winner, renewals and offers. A new tender is likely but not certain. Needs at least gewerk, land or buyer.",
      "inputSchema": {
        "properties": {
          "buyer": {
            "description": "Buyer slug or vergabeweiser.de/vergabestelle URL",
            "type": "string"
          },
          "gewerk": {
            "description": "Trade slug from list_categories",
            "type": "string"
          },
          "land": {
            "description": "Bundesland slug",
            "type": "string"
          },
          "months": {
            "description": "Months from today, default 12",
            "maximum": 36,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "expiring_contracts"
    },
    {
      "description": "Find contracting authorities (Vergabestellen) and companies by name or its beginning, e.g. \"Stadt Köln\", \"Fraunhofer\", \"WISAG\". Returns name, city, slug and page URL for get_buyer and get_company_awards, the most active first. Only organisations with a page in the index; sole traders are never listed.",
      "inputSchema": {
        "properties": {
          "name": {
            "description": "Name or its beginning, at least three characters",
            "type": "string"
          },
          "type": {
            "description": "Only Vergabestellen (buyer) or only companies; both by default",
            "enum": [
              "buyer",
              "company"
            ],
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "find_organisations"
    },
    {
      "description": "A contracting authority (Vergabestelle): contact data from one of its notices (no persons; may belong to a law firm or central purchasing body that runs procedures for it, for a procedure use the contact in its notice), platforms, open tenders, recent awards, offers per award, frequent winners, trades and contracts that end soon.",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Slug from vergabeweiser.de/vergabestelle/{slug} or that URL",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_buyer"
    },
    {
      "description": "Contracts won by a company (legal entities with a page on vergabeweiser.de/unternehmen only, never sole traders): totals, buyers, Länder, trades and the awards, 25 per page, with the company's published sum. firm_shared_max: an amount the notice gives alike for several winners of a lot (usually a shared framework ceiling); not counted as the company's sum or share.",
      "inputSchema": {
        "properties": {
          "page": {
            "description": "Page of awards, 25 per page",
            "minimum": 1,
            "type": "integer"
          },
          "slug": {
            "description": "Slug from vergabeweiser.de/unternehmen/{slug} or that URL",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_company_awards"
    },
    {
      "description": "One tender: description, all deadlines (Bieterfragen, Teilnahmeantrag, Angebotsfrist), procedure, lots, result with winners, sums and number of offers, link to the documents on the buyer's platform and to the original notice. result.framework_max is the ceiling of a framework agreement for all call-offs, not an award sum: never report it as the contract value or a firm's share.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "Tender id (8–12 characters at the end of the URL) or the full vergabeweiser.de URL",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_tender"
    },
    {
      "description": "Slugs of all trades (Gewerke) and Bundesländer for the other tools.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Market of one trade in Germany, a Bundesland or a Kreis: tenders in the last 12 months, open now, median offers per award, share with a single offer, typical award sums (quartiles) and frequent winners.",
      "inputSchema": {
        "properties": {
          "gewerk": {
            "description": "Trade slug from list_categories, e.g. gebaeudereinigung",
            "type": "string"
          },
          "kreis": {
            "description": "Kreis slug inside that Land, as in vergabeweiser.de/ausschreibungen/{gewerk}/{land}/{kreis}",
            "type": "string"
          },
          "land": {
            "description": "Bundesland slug, e.g. bayern",
            "type": "string"
          }
        },
        "required": [
          "gewerk"
        ],
        "type": "object"
      },
      "name": "market_stats"
    },
    {
      "description": "Search German public tenders like vergabeweiser.de/suche. Free text in German may contain a trade and a place (\"Gebäudereinigung Rosenheim\", \"Dach 25 km um 90402\"). Returns 20 results per page with deadline, buyer, place, estimated value and the page URL. result.framework_max is the ceiling of a framework agreement, never an award sum.",
      "inputSchema": {
        "properties": {
          "buyer_group": {
            "description": "Only tenders of a buyer group: bund (federal bodies incl. Bundeswehr and Autobahn GmbH), bundeswehr, autobahn-gmbh, deutsche-bahn, fraunhofer, aok, deutsche-rentenversicherung, krankenhaeuser (hospitals), hochschulen (universities), polizei, stadtwerke; by title: schulen (schools), kitas; eu-weit: only tenders with an EU-wide notice",
            "enum": [
              "bund",
              "bundeswehr",
              "autobahn-gmbh",
              "deutsche-bahn",
              "fraunhofer",
              "aok",
              "deutsche-rentenversicherung",
              "krankenhaeuser",
              "hochschulen",
              "polizei",
              "stadtwerke",
              "schulen",
              "kitas",
              "eu-weit"
            ],
            "type": "string"
          },
          "gewerk": {
            "description": "Trade slug from list_categories, e.g. gebaeudereinigung",
            "type": "string"
          },
          "land": {
            "description": "Bundesland slug from list_categories, e.g. bayern",
            "type": "string"
          },
          "page": {
            "description": "Result page, 20 per page",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "place": {
            "description": "Place: city, postcode or its first digits, Kreis or Bundesland (name or code), e.g. \"Rosenheim\", \"90402\", \"904\", \"Bayern\", \"BY\". Also as people write it: with a radius (\"München 25 km\", \"50 km um München\"), with words around it (\"Raum Stuttgart\", \"Nürnberg und Umgebung\"), postcode and city (\"80331 München\"), the Stadt or Landkreis of a name (\"Fürth Stadt\", \"München Land\"), part of a city (\"Berlin-Mitte\" = Berlin), a list (\"Köln/Bonn\" = Köln). \"Deutschland\" and \"bundesweit\" mean no place. A name several places share usually means the larger town (\"Halle\" = Halle (Saale)) or the Landkreis of that name (\"Harburg\"); another one with its Kreis, Land or qualifier: \"Halle (Landkreis Holzminden)\", \"Halle (Westf.)\", \"Halle NRW\", \"Auerbach (Oberpfalz)\". understood.place in the result says how it was read, understood.unknown_place that it was not",
            "type": "string"
          },
          "procedure": {
            "description": "tw: with Teilnahmewettbewerb, einladung: by invitation only",
            "enum": [
              "alle",
              "tw",
              "einladung"
            ],
            "type": "string"
          },
          "query": {
            "description": "Free text in German: trade, subject, buyer name, optionally a place, e.g. \"Unterhaltsreinigung Schule München\"",
            "type": "string"
          },
          "radius_km": {
            "description": "Radius around place in km, default 50. Goes before a radius written into place",
            "enum": [
              10,
              25,
              50,
              100,
              200
            ],
            "type": "integer"
          },
          "sort": {
            "description": "frist: next deadline first, neu: newest, wert: highest value, treffer: relevance",
            "enum": [
              "frist",
              "neu",
              "wert",
              "treffer"
            ],
            "type": "string"
          },
          "status": {
            "description": "offen: open (default), bald: deadline within 7 days, ergebnisse: awarded or ended, alle: all",
            "enum": [
              "offen",
              "bald",
              "ergebnisse",
              "alle"
            ],
            "type": "string"
          },
          "with_value": {
            "description": "Only tenders with an estimated value or award sum",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "search_tenders"
    }
  ]
}

What the leaf hashes

{"body":"b022e5f79e2d6f3c82f04f5b23484bedcbab6c650172884aeca606d44d0388c7","id":1295104,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793400225799808,"prev":null,"subject":"7bc5ee27-a0a9-48f7-848c-ddfbe577ae65","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xcd7436c3b25e0c4956bdf5eb71816578dbed2fb6e1234980f17c3726a9ed3393
2. 0x6092d58402ba446860d86366e4af5ded4d95d1470e843dacaaaff9047d8f0655
3. 0xa7bd37bd8aeb9ead0c38b38e85f9a2d0eef87d2eb9ad6612e87eaf30cc20e384
4. 0xa2ba248417d4f41919ace99b4b100b9fe82cd39569bb37a4a9f23382dc4be0e2
5. 0xa2ae54f6e885879ab516ef2ed9e84ba93db07f9c0fbc825d5c4afd69ade6d4f2
6. 0x75a88e439c7313f9e59026374761dc5fb4d49208155b0ecee8b9d419380851fa
7. 0xa53abfaf9c6b815cd09153edf2be826797f993b27b80a65ce089a7ea73fc53f3
8. 0xa150dc98bb1c5e1542fc8f5095c84dbd1bb1e3019af0dbf1b22042fd649d6949
9. 0xfb6368e9d35e4ad1331057aeaf9173294ce606743e0faae56a9d2c5dde5c4d5c
10. 0x0a04dad98cd0a3b2c474b2d2fd3262628a95e8ffd42b64d36256932689c52e0a
11. 0xb8cda798ddeca8ecc55aef7f5f6d3c134cb1259dd5ac4fa8153dee66eb20b6f1
12. 0xf1b7c84572f14030fd833e96a295b52d84759ca8f204732612837e1dfa8a00ba
13. 0x7dd437c898d20229e76a7faab5e409af0e7e8225e640982d9bcc230f9c2ab2be
14. 0x7ac7cb68967f6959f2b6a4c2bd1261865c8bce61484defcaab7d55cd759f2223
15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861