Evidence row 118624

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/chemicalElementLookup"
    ]
  ],
  "name": "Sindri",
  "owner_address": "0x548efd4f4d4a5c3669dbb4cbb2b1a637feeec5f6",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x548eFd4f4d4A5C3669dbb4CBB2B1A637FeeEc5F6",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "APer2AbhckyMWyJanW2MZ2eRLcpL9Lmhks8rkmXfqjRG",
        "scheme": "exact"
      }
    ],
    "description": "Periodic table element lookup by symbol or atomic number, returning name, atomic mass, and category. Covers the most commonly referenced elements.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "symbol": "Au"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "atomicMass": 196.97,
                "atomicNumber": 79,
                "category": "transition metal",
                "name": "Gold",
                "params": {
                  "symbol": "Au"
                },
                "symbol": "Au"
              },
              "ok": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "atomicNumber": {
                      "description": "Atomic number, e.g. 79. Provide this or symbol.",
                      "type": "number"
                    },
                    "symbol": {
                      "description": "Element symbol, e.g. \"Au\" (case-insensitive). Provide this or atomicNumber.",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "x402_api_vendor",
          "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": "2026-10-19T11:32:10.751Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T11:32:10.592Z"
    },
    "resource": "https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/chemicalElementLookup",
    "serviceName": "Sindri",
    "tags": [
      "periodic table",
      "chemical elements",
      "chemistry reference"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Periodic table element lookup by symbol or atomic number, returning name, atomic mass, and category. Covers the most commonly referenced elements."
}

What the leaf hashes

{"body":"2a0dcc3b9c1524dce925f74a4641744493e9bbdfead557b96ad45d4a0a493f66","id":118624,"kind":"listing","method":"baseline/1","observed_us":1793025613529533,"prev":null,"subject":"x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/chemicalElementLookup","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x8ad4f5b394c57bb4d5b509699893fe226110a1fec63fc4144c1cff888ad1c051
2. 0xaf874c1d0872881d22d54441c37371a240fdd7140ef7cbfb89ea8ed9718c77a3
3. 0xf7be13eef6084876c9493e4573b31bbca906031314021c69c8ea90512e983ead
4. 0x711209fb17510317c486b41e7573b3eba32a934f8d33a872b6b65a2d3205d556
5. 0xb7da52421d4fbf80055c8c9cac3eb1d8f25fcde32c68dab081de48c21fed4f6c
6. 0x38f29fc996071258d04e354f82923a8d026eaa1762c38f630c51f995a00ea0f4
7. 0x83fadd85bda0eb79cd7fb275214297b4129d99151e4a1d81330c897846b5d849
8. 0x8a1a05516bfc242dfaf6bbb69f3cd8e385f6d187e006f6251efa768243573284
9. 0x0283882ef8db831b6591883538b270508618ab56848219d4063b61adba5aafa9
10. 0x7d19a8f0d44d0c224dd4e1fd540ac67cd3370e926b73e965b2beb37e5ab9936b
11. 0x7d887da17795602ff54a7a2d145692904e47f8d3ab035b8db85d274d00bc9bfe
12. 0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae