Evidence row 304651

What was observed

{
  "count": 10,
  "tools": [
    {
      "description": "Two business listings side by side, by slug (the tail of https://ranked.ng/place/<slug>). A record, not a recommendation: the answer carries each side's displayed rank, Ranked score and six-dimension breakdown on their SHARED published category-city facet, Google rating/review count as source data, the evidence-only verified tier, distance_km between the two listings, and dimension_leads: per dimension which side scores higher on Ranked's published breakdown, with a gap under tie_band_points (5) reported as \"even\". It never picks a side and never infers rank from score. same_facet=false when the two are not on one category and city (scores are then not comparable and dimension_leads is null); an unpublished facet answers { published: false, reason }. The cite url is the pair page https://ranked.ng/vs/<lo>/<hi> when both sides sit inside its rendered window, else the ranking page.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "a": {
            "description": "first place slug, e.g. 'eko-hotels-and-suites-a1b2c3'",
            "type": "string"
          },
          "b": {
            "description": "second place slug",
            "type": "string"
          }
        },
        "required": [
          "a",
          "b"
        ],
        "type": "object"
      },
      "name": "compare_places"
    },
    {
      "description": "List the entries on a Nigerian regulator's register (CBN, SEC, NAICOM, NCC, PenCom) as accessed on the snapshot date, optionally filtered by licence-class text, in the register's own order (the regulator's order, not a ranking). Source is the regulator's own publication; the licence class is as the regulator states it. Each row carries the register's statement, hub_url, feed_url and place_url where Ranked has a matching listing. A register row is what the regulator's register listed on the access date. It is not a licence finding by Ranked, registers lag revocations, and absence from Ranked's copy is not proof that a name is unlicensed.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "filter on licence class / scope text, e.g. 'microfinance', 'broker', 'ISP', 'PFA'",
            "type": "string"
          },
          "limit": {
            "default": 25,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "minimum": 0,
            "type": "integer"
          },
          "regulator": {
            "enum": [
              "CBN",
              "SEC",
              "NAICOM",
              "NCC",
              "PENCOM"
            ],
            "type": "string"
          }
        },
        "required": [
          "regulator"
        ],
        "type": "object"
      },
      "name": "ranked_by_regulator"
    },
    {
      "description": "For a named product or service, return dated research on naira pricing, Nigerian-issued card acceptance, local rails, local entity, geo-restriction, possible workarounds and pages_to_verify. These are snapshot observations, not a current payment guarantee: availability and limits depend on the product, issuer and account. Missing evidence is returned as 'unknown'.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "product or service name, or its domain",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "ranked_can_nigerian_pay"
    },
    {
      "description": "Check whether a Nigerian business name appears on a regulator's own register — CBN, SEC, NAICOM, NCC or PenCom — as accessed on the snapshot date, and under what licence class. Exact normalised-name match first, then partial. Each match carries the register's statement (\"Appears on the <REG> register as accessed on <date>...\"), the hub_url, the JSON feed_url, and place_url when Ranked has a matching indexable listing. A register row is what the regulator's register listed on the access date. It is not a licence finding by Ranked, registers lag revocations, and absence from Ranked's copy is not proof that a name is unlicensed. Ranked never says \"licensed\" in its own voice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "name": {
            "description": "business name as on the offer, policy or app",
            "type": "string"
          },
          "regulator": {
            "default": "any",
            "enum": [
              "CBN",
              "SEC",
              "NAICOM",
              "NCC",
              "PENCOM",
              "any"
            ],
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "ranked_check_licence"
    },
    {
      "description": "Compare 2-5 named products or services on Nigeria-usability: naira pricing, card acceptance, local entity, geo-restriction. Rows are returned in the order given — Ranked does not rank them here. Ranked Technologies operates some listed products; those carry operated_by_ranked=true, are returned in a separate unranked block, and are never ordered above others (Rule 1). Evidence tier is provenance, not quality.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "names": {
            "items": {
              "type": "string"
            },
            "maxItems": 5,
            "minItems": 2,
            "type": "array"
          }
        },
        "required": [
          "names"
        ],
        "type": "object"
      },
      "name": "ranked_compare"
    },
    {
      "description": "Search Ranked's file-backed dataset of Nigerian-relevant businesses, institutions, websites and apps (6519 entries: 3860 on a regulator register, 1290 with domain/app-listing evidence, 1369 unverified candidates). Categories are source/research labels, not live ranking eligibility. Results carry source and snapshot date, plus source and canonical URLs where available; register-backed results carry the register's entry and access date. For live rankings and place pages use ranked_rankings / ranked_place. Ranked Technologies operates some listed products; those carry operated_by_ranked=true, are returned in a separate unranked block, and are never ordered above others (Rule 1). Evidence tier is provenance, not quality.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 15,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "name, domain, category or licence type",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "ranked_find_business"
    },
    {
      "description": "The list pages an assistant can cite, with counts: kind=\"category\" → https://ranked.ng/<category> hubs with the number of cities that have a published ranking with exact-category matches; kind=\"city\" → https://ranked.ng/city/<slug> hubs with matching published categories; kind=\"state\" → https://ranked.ng/state/<slug> hubs (only states with at least 25 operational listings); kind=\"data\" → the regulator-register hubs, the operator-listed EV charging directory, their JSON feeds and the open-data index (file-backed, no database needed). These are coverage counts, not a claim that search engines index every URL.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "kind": {
            "enum": [
              "category",
              "city",
              "state",
              "data"
            ],
            "type": "string"
          },
          "limit": {
            "default": 100,
            "maximum": 500,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "kind"
        ],
        "type": "object"
      },
      "name": "ranked_hubs"
    },
    {
      "description": "One business listing from the production database, by slug (the tail of https://ranked.ng/place/<slug>) or by name + city. Returns name, category, city, state, address, phone (business phones are public), website, Google rating/review count, the evidence-only verified tier, its rank on its primary PUBLISHED facet if any, regulator-register matches (with 'as accessed on' provenance), the canonical url, data_as_of (Google listing fetch date when supported; otherwise null), profile_evidence separating listing fetches, review publication and analysis dates, source_facts with dated source citations, and observations: the dated record of what changed on the listing (name, address, phone, website, business status, opening hours), newest first, each with the source that reported it. Places that are not OPERATIONAL are excluded unless includeClosed=true.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "city slug or name (used with name)",
            "type": "string"
          },
          "includeClosed": {
            "default": false,
            "type": "boolean"
          },
          "name": {
            "description": "business name (used with city when slug is absent)",
            "type": "string"
          },
          "slug": {
            "description": "place slug, e.g. 'abbey-mortgage-bank-plc-k5mjcu'",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "ranked_place"
    },
    {
      "description": "Ranked's ORDERED list for a category in a Nigerian city — the one fact nobody else has — straight from the production database, top 25 at most. Category and city accept a slug (\"hotels\", \"lagos\") or a name (\"Hotels\", \"Port Harcourt\"). Served ONLY when the base page is published; otherwise { published: false, reason }. Each entry carries rank, url (https://ranked.ng/place/<slug>), Ranked's score and breakdown, Google rating/review count as provenance-carrying source data, an evidence-only verified tier, and data_as_of. The answer carries page_url, feed_url, last_published_at, methodology (https://ranked.ng/how-we-rank) and accessed_on = today. Paid placement never affects position. No product operated by Ranked is ever ranked.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "category slug or name, e.g. 'hotels' or 'Microfinance Banks'",
            "type": "string"
          },
          "city": {
            "description": "city slug or name, e.g. 'lagos' or 'Port Harcourt'",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "category",
          "city"
        ],
        "type": "object"
      },
      "name": "ranked_rankings"
    },
    {
      "description": "Counts of what this server holds — file-backed dataset by evidence tier, kind and regulator with each register's access date; whether the live database is configured — plus the provenance rules. Use to explain provenance to a user.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "ranked_stats"
    }
  ]
}

What the leaf hashes

{"body":"a50bbc7d59186ef3120c3c7b365f058a53dd72b2d6a0fa5f534fe2a6cb7746be","id":304651,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056007634855,"prev":null,"subject":"d34ce2d8-c0c8-4c0c-951b-3fc04626520f","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xb08af424b95786573e7068b92e4c56f523fa856abbf23bcb9a29529878eb8a16
2. 0xa6a27d1af7259e5fce944793bff6c42b230a7eca1d03dc0d26261ded2898304a
3. 0x10ac4c9bb10d85f3f0d75d15561cdf460bfd822879dd3d08daba64d9aff98f9e
4. 0x05b12ec27f99c45eef1cba2367e21ecd80de15da1a4d5ea784f6e08011152a90
5. 0x9a9c433b19abb817dfac87e6c409c5992fc1fa9bbb6543acf51f57863360d4c9
6. 0x1d3560975b1f34b8966207cfba17d7d5a7c68b04ee0b3548a62f438a8afd029d
7. 0x4d3ec3e45a48f325ac3e1910218ed9703ee57f251068d5f9d55e8fb10e62a39e
8. 0x42b35292a9a266fbc57b0ed635052c96251a404c4cb6bcdde23f6ff1039fad2c
9. 0x1a12bbb29c8c25f927fae999403e7f139d5a26f57c6ceda9c0c4533448b2bdc5
10. 0x864dcc49d9807b07fc9f373b1bca313664699969735d983a4f575c0d0ac7ac37
11. 0x68459613b28284909eadec125bcf23808811e99ecfabc229bf7deb2178ab9826
12. 0xce1aeb889b974291cea1fbfd01595655bd2c1b3636dc5b56eeb8904adb9f6c65
13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae