Evidence row 124331

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://www.elements-live.com/v1/subjects/:subject_type/:subject_id/history
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 9e9b489b151541cac8cd3159c90d54cce7003a99d9407007adb963a719401729
Leaf: 0x77109198bf4aa4254d0154378e5186ada88efd4f307238cfc900bc1367e87558

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.elements-live.com/v1/subjects/:subject_type/:subject_id/history"
    ]
  ],
  "name": "Elements Live",
  "owner_address": "0xca58ea577baded6fb676fcea378b4111c29f46f5",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xCa58EA577BAdEd6fb676Fcea378B4111C29F46F5",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2Z6fhH4DVwdE11WnfGLsceCMFqP4ZepMjdAWQi7tC8VB",
        "scheme": "exact"
      }
    ],
    "description": "Yearly or monthly RIS/HRI history for one research topic.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "subject_id": "lithium-niobate",
              "subject_type": "keyword"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "entity": {},
              "metrics": {},
              "notes": {}
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/subjects/:subject_type/:subject_id/history",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "subject_id": {
                      "description": "From /v1/subjects/search",
                      "type": "string"
                    },
                    "subject_type": {
                      "enum": [
                        "keyword",
                        "sector"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "subject_type",
                    "subject_id"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-02T13:04:41.421Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-02T13:04:41.184Z"
    },
    "resource": "https://www.elements-live.com/v1/subjects/:subject_type/:subject_id/history",
    "serviceName": "Elements Live",
    "tags": [
      "science",
      "research",
      "materials",
      "chemistry",
      "papers"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Yearly or monthly RIS/HRI history for one research topic."
}

What the leaf hashes

{"body":"9e9b489b151541cac8cd3159c90d54cce7003a99d9407007adb963a719401729","id":124331,"kind":"listing","method":"baseline/1","observed_us":1793025624485192,"prev":null,"subject":"x402_bazaar:https://www.elements-live.com/v1/subjects/:subject_type/:subject_id/history","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON