Evidence row 258756

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Get full detail on one specific business checking listing, including gotcha fees (business_deposit_fees, e.g. overdraft, NSF, dormancy) and feature narrative (business_deposit_account_features) not returned by query_business_checking's broad list results. Fees/features that apply to only one plan tier (e.g. a Standard/Plus/Premier ladder) are nested under that tier in plan_tiers[].fees / plan_tiers[].features; tier-agnostic ones are in the top-level general_fees / general_features. Use this as a follow-up after query_business_checking to dig deeper on one listing the caller already identified by its listing_slug. Each result's application_url is a tracked Bancadia link: give it to the user exactly as returned, including its query string.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "listing_slug": {
            "description": "The listing's stable public identifier, as returned in query_business_checking results (e.g. 'found-business-checking'). Do not use an internal database id.",
            "type": "string"
          }
        },
        "required": [
          "listing_slug"
        ],
        "type": "object"
      },
      "name": "get_business_checking_listing"
    },
    {
      "description": "Query the Bancadia registry for business checking account products using compound filter criteria. Returns active, verified listings from financial institutions. Optionally accepts target_industries/target_business_profiles to soft-rank results toward listings built for a given business type or stage — non-matching but eligible listings are still returned, just ranked lower. Each result's application_url is a tracked Bancadia link: give it to the user exactly as returned, including its query string.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "accounting_integration_available": {
            "description": "Whether the account connects to any accounting software (e.g. QuickBooks, Xero)",
            "type": "boolean"
          },
          "apy_min": {
            "description": "Only return accounts whose best available rate (apy_max) is at least this value, as a decimal (e.g. 0.02 = 2%). This is the best rate the account can pay, not what a typical customer gets — many accounts pay less by default. Check apy_default in the results for the standard rate.",
            "type": "number"
          },
          "available_states": {
            "description": "Returns listings available in all specified states",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "cash_deposit_available": {
            "description": "Whether cash deposits are supported",
            "type": "boolean"
          },
          "entity_types_accepted": {
            "description": "Returns listings accepting all specified entity types (e.g. llc, s_corp)",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "expense_integration_available": {
            "description": "Whether the account connects to any expense/spend-management software",
            "type": "boolean"
          },
          "free_transactions_min": {
            "description": "Minimum free transactions per month",
            "type": "number"
          },
          "insurance_type": {
            "description": "Deposit insurance type",
            "enum": [
              "fdic",
              "ncua",
              "uninsured"
            ],
            "type": "string"
          },
          "interest_bearing": {
            "description": "Whether the account earns interest",
            "type": "boolean"
          },
          "minimum_opening_deposit_max": {
            "description": "Maximum minimum opening deposit",
            "type": "number"
          },
          "monthly_fee_max": {
            "description": "Maximum monthly fee",
            "type": "number"
          },
          "rtp_network": {
            "description": "Which real-time payment rail is supported",
            "enum": [
              "fednow",
              "rtp_network",
              "both",
              "none"
            ],
            "type": "string"
          },
          "rtp_supported": {
            "description": "Whether real-time payments (any rail) are supported at all",
            "type": "boolean"
          },
          "sub_accounts_supported": {
            "description": "Whether sub-accounts are supported",
            "type": "boolean"
          },
          "target_business_profiles": {
            "description": "Soft-ranks results toward listings built for this business stage/shape. Does not exclude non-matching but otherwise-eligible listings.",
            "items": {
              "description": "One value from: early_stage_startup (pre-revenue or early-revenue new company), vc_backed (has raised institutional venture funding), bootstrapped_solopreneur (self-funded, one-person or very small team, run as primary full-time work), established_smb (operating business with existing revenue/history), high_growth (rapidly scaling regardless of funding source), side_hustle (part-time/secondary business run alongside other work or a day job).",
              "enum": [
                "early_stage_startup",
                "vc_backed",
                "bootstrapped_solopreneur",
                "established_smb",
                "high_growth",
                "side_hustle"
              ],
              "type": "string"
            },
            "type": "array"
          },
          "target_industries": {
            "description": "Soft-ranks results toward listings built for these business types. Does not exclude non-matching but otherwise-eligible listings.",
            "items": {
              "description": "One value from: ecommerce (online retail/marketplace sellers), retail_storefront (physical retail location), restaurant_food_service (restaurants, cafes, food trucks), content_creator_solopreneur (creators, influencers, freelance media), professional_services (consultants, agencies, legal/accounting firms), real_estate (agents, property managers, investors), healthcare_practice (clinics, private practices), construction_trades (contractors, tradespeople), trucking_logistics (trucking, freight, logistics), agriculture (farms, agribusiness), saas_tech (software/tech companies), nonprofit (registered nonprofit organizations), small_business_digital_first (general online/no-branch small business with no other single vertical fitting best).",
              "enum": [
                "ecommerce",
                "retail_storefront",
                "restaurant_food_service",
                "content_creator_solopreneur",
                "professional_services",
                "real_estate",
                "healthcare_practice",
                "construction_trades",
                "trucking_logistics",
                "agriculture",
                "saas_tech",
                "nonprofit",
                "small_business_digital_first"
              ],
              "type": "string"
            },
            "type": "array"
          },
          "tax_integration_available": {
            "description": "Whether the account connects to any tax-prep or tax-filing software/service",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "query_business_checking"
    }
  ]
}

What the leaf hashes

{"body":"98c057531c624fceb5d661914396c7f4450bfc0f5f64bbd2c732adcc74fe6819","id":258756,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030368684489,"prev":null,"subject":"c7fe13d8-2ef0-443c-aa19-2ed11b65e7fc","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. 0x92489bcd21012fdca869c6dba888ae5e360dc1780249d381d154c81c5c24a3e1
2. 0x359cc06d2783efb3bab039b702b668d1b59bcbb454bebeae124af05dddbfb14e
3. 0x9bd485f2f6ca4ea6b134fc41f83757aee74156e8044ecf5b0080e3752c2ed9ca
4. 0xc92d725b32c4be00220790ff5c13d1f29eac536c06eaec9fe28c8be16ff9cd6b
5. 0xa1ed6d9e534951d89e1a2f1dd9ac2c4103ac335dba1c64a9e8ca6e7be26148ee
6. 0x60634177f1693e8745f2bd49649a1141c6c8419627aebe5642f8688c2cfc91cb
7. 0x6e839736374ee4ccff8f5beb24b08c9bfe5ae3b12b81403e283e6a5025141cb7
8. 0x2039c093b224b6271c2da43e17235d1d0efcc5cb8b55ece0a70390eb6e8f1436
9. 0x5e3a9e8753e009a1c5d774835c1440ea5baa86bc7363444b76f653c7ff87173d
10. 0x832f34bb008802b110406e880902a2a6955e0c595bbbe020688b9d51bc08dc80
11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae