Evidence row 290091

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Returns the LeadForm paid lead-qualification API URL, price, network and x402 payment protocol without charging.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {},
        "type": "object"
      },
      "name": "get_leadform_payment_info"
    },
    {
      "description": "Paid B2B lead scoring. Without paymentSignature it returns the x402 payment challenge. Retry with a valid PAYMENT-SIGNATURE for the qualification result.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "budget": {
            "type": [
              "string",
              "number"
            ]
          },
          "company": {
            "type": "string"
          },
          "email": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "need": {
            "type": "string"
          },
          "paymentSignature": {
            "description": "Optional x402 PAYMENT-SIGNATURE header value for a paid retry.",
            "type": "string"
          },
          "team": {
            "type": [
              "string",
              "number"
            ]
          },
          "timeline": {
            "type": [
              "string",
              "number"
            ]
          }
        },
        "type": "object"
      },
      "name": "qualify_b2b_lead"
    }
  ]
}

What the leaf hashes

{"body":"b77c3d297fc1a3e04be503649e570607ab8ebeccb9fff304f4aeb0be46823fca","id":290091,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793046950254278,"prev":null,"subject":"96ccc667-2f84-4883-9352-57d7ddcdb05a","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. 0x6a01b5a51cc4dd0f22e31066cbf7471500592ec25a44167b6bcb33f6be0b9981
2. 0x14d8d7571123788765c16c9c69700c683a058d758862679fafb466a6bd726066
3. 0x1571b0ae438d39f864368ac6889c7300995d04345c58d7e5f56ae89558a2b9e4
4. 0x96a57718fb0f3c4b7cb203870e1eaac9fded9db0c2db6fae0fc24a29a90cec71
5. 0xc20cdf2dd5d00810df7309c5860f27056958b0221bee43a10601c72396540bb3
6. 0x9ee18aa0781465cc79e4f8c0550219c8a8f56cbce06df6726a66970c663a3fec
7. 0x2e7f0ba05dc44f38166471a02463f13bdbbedcca69edaaa48f81d807559ddfe6
8. 0x32de3c5d4d666a856ce1f73f01dd331d3f4f401d5ab857879a03c1dfdd425085
9. 0x11d1fc3e009ce9cbdbc644ed88dc5547619bf405e76d349e3fe60ac3ba81753d
10. 0xdeb16a4852b1c249628d0590c012fe1adebc9195ddf46ba3cbf8dcba07af7c93
11. 0xe8b20383a9232d45872f50d7c4c484b3ffe756328a5a1e2d63218cd46b95695c
12. 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae