Evidence row 564134

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Runs live diligence on an x402-metered endpoint before you pay it: verifies its 402 payment challenge is spec-compliant, checks the price against market baselines, inspects the payTo address on-chain (Base), checks third-party directory presence, and checks basic infra hygiene, and detects possible upstream API resale with evidence-based markup estimates. Returns a 0-100 score, a pass/caution/fail verdict, and per-check evidence.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "check_endpoint"
    },
    {
      "description": "Compares an x402 endpoint's price (or a given price/category pair) against market percentiles from our daily radar snapshot of the x402 ecosystem.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "category": {
            "type": "string"
          },
          "priceUsd": {
            "exclusiveMinimum": 0,
            "type": "number"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "compare_price"
    },
    {
      "description": "Free possible-reseller preview. Matches an endpoint's live unpaid 402 description/schema, or a supplied description and price, against a dated catalog of well-known upstream APIs and reports confidence, matched signals, and documented markup math without asserting resale as fact.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "description": {
            "minLength": 1,
            "type": "string"
          },
          "priceUsd": {
            "exclusiveMinimum": 0,
            "type": "number"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "reseller_check"
    }
  ]
}

What the leaf hashes

{"body":"b6c97418cd229bb9b287c17d2646bf04d170ca4c7000682ac19062d319ac26be","id":564134,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137752176686,"prev":null,"subject":"c0898ba0-df7b-46d6-b459-888d36e32f8b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x44b2de32e3af902610532449c687beae96550c0105a08ce08e5f017dc276b705
2. 0xf507fdd9faecab779284577baddccccc6f3bd65b0ef48c1d87d12f470e1dd59a
3. 0x328748d2cf4e7eb93317a30487b50e40c4c5a6ad0dc6dfea360cfd2861292acb
4. 0x44b7f8027551963f5e36dff44fa8664b326b0d69b5e0f40831f7ad548b43e48b
5. 0xeb6c9129e039b2089a47647246960edab9142f1356e1b8a4faa54bd553510d81
6. 0xd58201a8a89c317192f6344d8766405a5e6d5029da52ec18b15647056f678d7d
7. 0xdcdc7ee14107fe9c3534e5bd3e9f25b6da5a588339caf01741eb2c4c3527e897
8. 0x8c931ae689b6dd48aa92363cccf9ff7857a69e70b295cea9b73a3e406bb91534
9. 0x87843886369a6b6ebcb26491c6e5e41b0c018549d8ac20a92d99203d0bedc3ee
10. 0xac0d614ec4428c50e771eb2440f62446f95046e74c74c7bc6d7652cdfa5a4b4b
11. 0x1b9c41d141e1a02a99bdefaffd813deec26b015e7930d9ccee8d58c0345a74eb
12. 0x73ca48521d1cc492ee4ab86757972943f96dcf68a114d6383fd5e527c332af36
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4