Evidence row 303885

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Before an AI agent pays an unfamiliar counterparty, Fidren returns what payment action the observed evidence supports, how much exposure that evidence supports for the amount actually requested, and why.\n\nSame counterparty, same evidence, a different requested amount: potentially a different payment action. The amount is an input to the decision, not a filter applied to a fixed score.\n\nCall this before sending a payment to a counterparty address the agent has not paid before. Or before raising the amount it is willing to send to a counterparty it has paid before. Or when a counterparty requests more than a previously approved exposure.\n\nCost: 100 free decisions per day, per IP. None. No account, no API key, no card, no wallet. After that, $0.01 USDC per decision over x402 on eip155:8453.\n\nCoverage: observed settlement history is indexed on base (eip155:8453) only. An address on any other chain answers from no history rather than from evidence — which is a statement about coverage, not a verdict about the counterparty.\n\nFidren never holds, transmits, settles, signs, escrows or intermediates funds. It returns an advisory decision; the caller’s own infrastructure enforces it. A returned verdict is advice; it moves nothing and blocks nothing on its own.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "address": {
            "description": "The counterparty you are about to pay. 0x-prefixed, 20 bytes.",
            "type": "string"
          },
          "amount_cents": {
            "description": "The amount you actually intend to pay, in cents. Not a cap and not a filter: the same counterparty can warrant a different action at a different amount.",
            "minimum": 0,
            "type": "integer"
          },
          "chain": {
            "description": "Which chain the address is on. Evidence exists for \"base\" only.",
            "enum": [
              "base",
              "polygon"
            ],
            "type": "string"
          },
          "currency": {
            "description": "Optional. Defaults to USD.",
            "enum": [
              "USD",
              "USDC",
              "USDT"
            ],
            "type": "string"
          },
          "service_identifier": {
            "description": "Optional. Your own label for the operation.",
            "maxLength": 128,
            "type": "string"
          }
        },
        "required": [
          "address",
          "chain",
          "amount_cents"
        ],
        "type": "object"
      },
      "name": "fidren_check_counterparty"
    }
  ]
}

What the leaf hashes

{"body":"a85234490c4ca684fa4b6c764310183340a7af8e40b37e78bb7287ad17b19400","id":303885,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793055609028223,"prev":null,"subject":"302a6e58-3c55-4c1f-abcf-50fd721bfd59","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. 0xd8157d976b74067edfd36df9898f94a1a20a1043b769ff8eb24ea0af548e95e0
2. 0xf282690ff29c2685443b19d2b69e59599e53da069e0eb1a49254931b0a342763
3. 0xe994387e11ee20b738af7656256f6664bc0b71f5c8b768e0dcf7c2f40a9eaa7e
4. 0x60ce39a4d46f59229bb854a8329871cd528b3658442ff376d57e7525f2dd3dd9
5. 0x86d372d6e8dc5a7ec8f1f7b00352bde08b904464d150cc31db60f476c383c786
6. 0x098d9a31acf9d2068dd6342e8753be3a61b160cb02577e4a3f710493ca452a6e
7. 0xe85536ddd1636b228fb27dd22e5b567abf20702bd1d705e6dc0c1b634a40c700
8. 0x6fc319aee47cefc01cabc11411e55a4d1b1ee94fd3d7dea23084ff2f42855749
9. 0x38edea85675b956ad8aaf124db8618d5f6690216f1fca67580d264407be0db98
10. 0x99d243e75489137f42f22b35cac536858bfa54cac8df9dedbb78852b9f686a91
11. 0x2671a86f48dece064e871ca46396549de6c07bd09915bed27b7ac95a735127fd
12. 0x07e91966e8a0c43a0725bd3d523259064a93333c2900e6171b69ffbfd9f423f1
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae