Evidence row 264939

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Report a host as a scam/bad actor ('flag') or as trustworthy ('vouch'), improving Vouch's community reputation graph for everyone's future payment-trust checks. Free.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "kind": {
            "enum": [
              "flag",
              "vouch"
            ],
            "type": "string"
          },
          "reason": {
            "type": "string"
          },
          "target": {
            "type": "string"
          }
        },
        "required": [
          "target",
          "kind"
        ],
        "type": "object"
      },
      "name": "vouch_report"
    },
    {
      "description": "Check whether a counterparty is SAFE TO PAY before sending money. Given a URL or host, returns a 0-100 trust score and risk band (low/medium/high/critical), detecting scams, phishing, and known-malicious endpoints via threat feeds, domain risk heuristics, and a community reputation graph. Call this before paying any merchant, API, agent, or x402 resource. Free — for the full explainable reasons AND a signed, verifiable attestation (proof of the check for audit/disputes), call the paid POST /v1/check endpoint via x402.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "target": {
            "description": "Counterparty URL or hostname.",
            "type": "string"
          }
        },
        "required": [
          "target"
        ],
        "type": "object"
      },
      "name": "vouch_score"
    }
  ]
}

What the leaf hashes

{"body":"1dbea5f112c40761d0977c95406f96d2143d7817629083ffcfea8437da0c9a69","id":264939,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793034521408643,"prev":null,"subject":"ac3d32f8-a345-4fe9-9101-fd0b04945bd3","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. 0xd49de5074ba6b65a9df3a96e6032b0b6cd7d531cf4bbbf0ecbbd22c6fce72962
2. 0xc273c28f42c85fabacb2095507030828070a254d21880910186cca1a1e959c3a
3. 0xf3a64ee0804d1f62a147c123970254bfc5b806e071b1a00909159d5e16d2a410
4. 0x4b40e5df4641e4c2587a3e6b7f150fc8c4135722ace05ebee70bc7f2db1c04f8
5. 0x7dd32b17c422debd4cc96cc4db3c77c8c4da3ed18871b645ec58f264d34576df
6. 0xdc53da87801bacdbaf19de0dd4fe8ad91076e9a5cfa9a9d5727f33d0f5980d8a
7. 0x9529ec625d7335288973c7003848bc28d33d127231f06b317a69d74e8896e989
8. 0x8d5626913545956ef91138e57802adfd8c92703817743e50d4279dfc80d1a934
9. 0x950e71a3f1d793f64de204e2ffd6528faf6ebe1fd4463a16429f7f0525ca7ec0
10. 0xbf2ea8422e4d4634187236ad26741d988ab947590ee32bccf49379c5b69d0711
11. 0x13af2618b202e3256bff92107d30a646eb897d2992ea1f3e08e75bf4bef84c31
12. 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae