Evidence row 222665

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Search the web for x402 adoption, x402 integrations, x402 agent payments, x402 ecosystem launches and machine-to-machine payment adoption. Built to satisfy recurring autonomous-agent research demand for current x402 adoption signals. Costs $0.001 USDC on Base via x402.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "description": "Maximum results per source; default 5.",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Search phrase. Defaults to x402 adoption.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search-the-web-for-x402-adoption"
    }
  ]
}

What the leaf hashes

{"body":"b7683c9173115934dc0cb58f5b3e39bf6086b9e934520af04f6da5609ab740c1","id":222665,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793028189830231,"prev":null,"subject":"db15e03a-41d4-40ab-abbf-4719a8407410","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. 0x0112cb9c5f6b5dd3112cbe1a39890f0ce4946a4dda91c350df7e86397fbdee33
2. 0x5131e66876bbe815ae45f8f470e6754a5ed842ba50a72babe5341a2906be220a
3. 0xdcea73e150170fb0c47a411788e9409566eca96d3386d861651abe4fcf685ac9
4. 0xc9450b34e6e182011caada32ccdcf1ea1c7e759799f6c9e1ee5def918f68bcee
5. 0xf3d1e1a77bc2dd10d0a621c4fdf392033599dcac2f8e19000a4991854996fc8d
6. 0x96eab4bdea3a4af29690ec5ee3048db6659d4bd207edd34d73168edfe9ba44a6
7. 0xc76e99def95e4e8216aded0f16bda232ce81759da5ff446e3366f1ff73018247
8. 0x3086fc970e61ae51b30e45d929e7a2a9bfe2f732c44f12b57e1e7dfe8f9292a8
9. 0x8dbb85b378f7083a636153e85697745537359d21fa35c135086185d711cc44e0
10. 0x0318758518e80d451d4f575531dcd2cc2b24eb8d4c0b8a59ffb33d387428afa1
11. 0xdbc41a9a60a4504b5d2eaf9b4bdc4f7e216ca3dfaa1fe4bcdd27541133e12a2d
12. 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae