Evidence row 1039788

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentshield.live/element"
    ]
  ],
  "name": "agentshield.live/element",
  "owner_address": "0xc87e9a5f237eada767e57eee8fae67ab565225ae",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xC87e9a5F237eADA767E57eee8fae67aB565225AE",
        "scheme": "exact"
      }
    ],
    "description": "Call when an agent has an element symbol and needs the IUPAC name and atomic number. Unknown symbols return 404. Not an isotope or a mass.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "Fe"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "atomic_number": 26,
              "known": true,
              "name": "Iron",
              "symbol": "Fe"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "symbol": {
                      "description": "Element symbol, such as Fe or Og.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-29T16:14:35.732Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-29T16:14:35.301Z"
    },
    "resource": "https://agentshield.live/element",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Call when an agent has an element symbol and needs the IUPAC name and atomic number. Unknown symbols return 404. Not an isotope or a mass."
}

What the leaf hashes

{"body":"90973db84a586a2cd17234ef2e07523c5bc3d5181f885aa17811627a3bf3cba9","id":1039788,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298461809087,"prev":null,"subject":"x402_bazaar:https://agentshield.live/element","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xf57b09fafd2430a116b9b1cc882fafb559b8718af05af63c6872cf261767deac
2. 0x917f75618387ba5058b77a5287097b0690e9ff9ec150ec6f4ca845f2ae0a9706
3. 0x025d5417e5f295cd82f8d8ef9a8009a1e2d3f451d5ed67c1d45e5ce05b026492
4. 0x47b2b9525b9e020aac9b40ed5341538e8ce6e5e6f3e6edf8ec0ab49accae0e4d
5. 0xa12dc55bdbbe07b498d83be12e20ce305ecc72c2a584f7d1f799424bc080daad
6. 0xdc5e7b4a67f21a6c0794d1ad373beb7f4b24ea1e224f25e896c85a69ca86334b
7. 0x61f06e375e0c1fb6c0bc0c79eee0fc1d821c6d9d14c21976dede0243fdb4ec85
8. 0x88159f3c9f9b0c78c1ba88f3ce50fde29aa0cdd336c7520f09d9a3419f72c84e
9. 0xadf4820d44ec0c7d8cf539abaeab7764afdd548621f8920b339e2d1f9c23809a
10. 0xa46db3b432eafae37a09a59c10482bbac5c46de0683def79e04cd877d7cc2bb5
11. 0xd65db33c850641a512610778bc74c4557534e8cedefa27dfb6c624e384ad13df
12. 0x9c0281c2a4bfee33b76e469eeb2b2cf128dbede9395403178364aa32378c6d83
13. 0xe61db4873d922d736073fbcc17a7758f857abc53591bf83c26e95a8c7fdf1d7f
14. 0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1