Evidence row 71582

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://bess-x402.onrender.com/v1/lookup/food
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 942f3cae4d6da2b2f7f282c4adf75771c017ae2eee5988a0372b8720c4a1979b
Leaf: 0x0dd4505a6cfd73449b4448e81267970418496140ea0f656c7a5e0c6cacc9fefd

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/lookup/food"
    ]
  ],
  "name": "Food Product by Barcode",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Food product details from its EAN/UPC barcode: name, brand, quantity, ingredients, allergens, Nutri-Score, NOVA processing group, Eco-Score and nutrients per 100 g, from Open Food Facts. Use for nutrition apps, shopping assistants or allergy checks.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "barcode": "5449000000996"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "allergens": [],
              "barcode": "5449000000996",
              "brands": "COCA-COLA SERVICES SA/NV",
              "categories": "Colas, pt:bebidas cafeína",
              "ecoscore": "NOT-APPLICABLE",
              "image": "https://images.openfoodfacts.org/images/products/544/900/000/0996/front_en.1129.400.jpg",
              "ingredients": "Agua carbonatada, azúcar, colorante (E-150d), acidulante (ácido fosfórico), aromas naturales (contiene cafeína).",
              "labels": "Made in the EU, Triman",
              "name": "Coca-Cola Original",
              "nova_group": 4,
              "nutrients_per_100g": {
                "carbohydrates": 10.6,
                "energy_kcal": 42.4,
                "fat": 0,
                "proteins": 0,
                "salt": 0,
                "saturated_fat": 0,
                "sugars": 10.6
              },
              "nutriscore": "E",
              "quantity": "330 ml",
              "serving_size": "1 portion (330 ml)",
              "source": "Open Food Facts (ODbL)",
              "url": "https://world.openfoodfacts.org/product/5449000000996"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "barcode": {
                      "description": "EAN-13, EAN-8 or UPC barcode",
                      "type": "string"
                    }
                  },
                  "required": [
                    "barcode"
                  ],
                  "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": "2026-10-23T12:21:10.743Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T12:21:10.359Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/lookup/food",
    "serviceName": "Food Product by Barcode",
    "tags": [
      "food",
      "barcode",
      "nutrition",
      "allergens",
      "products"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Food product details from its EAN/UPC barcode: name, brand, quantity, ingredients, allergens, Nutri-Score, NOVA processing group, Eco-Score and nutrients per 100 g, from Open Food Facts. Use for nutrition apps, shopping assistants or allergy checks."
}

What the leaf hashes

{"body":"942f3cae4d6da2b2f7f282c4adf75771c017ae2eee5988a0372b8720c4a1979b","id":71582,"kind":"listing","method":"baseline/1","observed_us":1793025482979870,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/lookup/food","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