Evidence row 120874

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/wiki/pageviews/:title"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:wiki-pageviews",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:datadesk:wiki-pageviews",
          "reference": "4QfbwMts5PeEFaprrY1678nEn8MRF5VdSteZMsZe1ZRu",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp3aWtpLXBhZ2V2aWV3cyIsInJlZmVyZW5jZSI6IjRRZmJ3TXRzNVBlRUZhcHJyWTE2NzhuRW44TVJGNVZkU3RlWk1zWmUxWlJ1IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIxMTM0NTU3Mzd9.oPYqXTwNZLABTNWysnRcjj-epwljh77fpTC8TzYDGuo"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Wikipedia pageviews for an article - daily human views, total, peak day and week-over-week attention trend for up to a year",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "title": "Bitcoin"
            },
            "queryParams": {
              "days": "30"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "article": "Bitcoin",
              "average_daily_views": 3377,
              "daily": [
                {
                  "date": "2026-10-05",
                  "views": 2352
                },
                {
                  "date": "2026-10-06",
                  "views": 2267
                },
                {
                  "date": "2026-10-07",
                  "views": 2199
                },
                {
                  "date": "2026-10-08",
                  "views": 2206
                },
                {
                  "date": "2026-10-09",
                  "views": 12625
                },
                {
                  "date": "2026-10-10",
                  "views": 2014
                },
                {
                  "date": "2026-10-11",
                  "views": 2209
                }
              ],
              "days": 30,
              "last_7_days_views": 25872,
              "note": "human (non-bot) views, all platforms",
              "peak_day": {
                "date": "2026-10-09",
                "views": 12625
              },
              "prior_7_days_views": 18156,
              "source": "Wikimedia Pageviews API",
              "total_views": 101297,
              "trend": "rising attention",
              "week_over_week_pct": 42.5,
              "wiki": "en.wikipedia.org"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/wiki/pageviews/:title",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "title": {
                      "description": "Wikipedia article title in the path, e.g. Bitcoin",
                      "type": "string"
                    }
                  },
                  "required": [
                    "title"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "days": {
                      "description": "optional 7-365, default 30",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "article": {
                      "type": "string"
                    },
                    "average_daily_views": {
                      "description": "Average daily views",
                      "type": "number"
                    },
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "daily": {
                      "description": "Daily values",
                      "items": {
                        "properties": {
                          "date": {
                            "description": "Date (YYYY-MM-DD)",
                            "type": "string"
                          },
                          "views": {
                            "description": "Page views",
                            "type": "number"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "days": {
                      "description": "Number of days",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "last_7_days_views": {
                      "description": "Last 7 days views",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "Caveat or context for reading the result",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "peak_day": {
                      "description": "Day with the highest value",
                      "type": "object"
                    },
                    "prior_7_days_views": {
                      "description": "Prior 7 days views",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "total_views": {
                      "description": "Total views",
                      "type": "number"
                    },
                    "trend": {
                      "description": "Direction of recent change",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "week_over_week_pct": {
                      "description": "Week over week, as a percentage",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "wiki": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "article",
                    "total_views",
                    "daily"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-16T01:15:35.875Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-16T01:15:35.466Z"
    },
    "resource": "https://saylorinnovations.com/api/wiki/pageviews/:title",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "wikipedia pageviews",
      "attention trend",
      "search interest",
      "topic popularity",
      "wikimedia"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Wikipedia pageviews for an article - daily human views, total, peak day and week-over-week attention trend for up to a year"
}

What the leaf hashes

{"body":"4489358ef602ac49fcfed7581678efbaf74e907f7f0cda9fe9ae92568e100272","id":120874,"kind":"listing","method":"baseline/1","observed_us":1793025618950250,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/wiki/pageviews/:title","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. 0xc887f096b842464dafa8d1ab62413dbabcad970256fbe54c3bdbedf34908dff8
2. 0xe4511194bc0c3ebe252dfdd861e8694bee9888e506ad7c3daa14361d2fccaf7e
3. 0x31d028d8f8b5ab90415b3149a1f613ddfb5f883be9b08e0094fafb0a55aa0d75
4. 0x2928281d3fab2dac3d44fcc621ec5c3d98fee1ebe8d1f90c8215c192236e6fff
5. 0xb1a394acbabb91ccc48008ec396e547cb5577f9fd483ea2ffe9b1a4be1da48aa
6. 0x6c78473621dd40bf27f585835d85668214884cbdf016e29860bf389c4d10f33e
7. 0xf58625efba1c96876ef0cb9818cbc7638046e9b18537577ddbbc9d52a57bf994
8. 0x9c76edb48262278191c31a5d64b2121c2308e65f69b244c2897c2d633ae3049f
9. 0xcb860e4cc96a375ac0b376f085ee098285ada127d89a9e4e5e6e27bcbf151aa5
10. 0x675ae978905879f96dab2ece83376d01eb27968f2044719307dbc7f840ae0cec
11. 0xac575d7ca8c3c7e88957908dda0517fbb35f0894886bb91a97cff3aa71fa23e9
12. 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae