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Evidence row 119943

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/games/steam/:appid
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
58de339ade6ffd6bd90e25442d7c28055dc1f8a91bf70e1ac4e6d2edf095c13b
Leaf
0xec205923c0ad44205fc56e52efa56700c180ac1988533e5fdc97f48bdca6df75

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/games/steam/:appid"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:steam-game",
          "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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:datadesk:steam-game",
          "reference": "7za5wLbeEUCrj3q82joUjAh6n3nanodq4wwCUrFxneZE",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzdGVhbS1nYW1lIiwicmVmZXJlbmNlIjoiN3phNXdMYmVFVUNyajNxODJqb1VqQWg2bjNuYW5vZHE0d3dDVXJGeG5lWkUiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjIyMTE2MTIxOH0.gL6xclV-f5PbdD61Tev4UA-Lne9aBKuSo-8gP4BPsDo"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Steam game details by app id - current price and discount, live concurrent player count, Metacritic score, genres, developer, release date and platforms",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "appid": "620"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "appid": 620,
              "categories": [
                "Single-player",
                "Multi-player",
                "Co-op",
                "Online Co-op",
                "Shared/Split Screen Co-op",
                "Shared/Split Screen",
                "Steam Achievements",
                "Full controller support"
              ],
              "coming_soon": false,
              "current_players": 1170,
              "developers": [
                "Valve"
              ],
              "genres": [
                "Action",
                "Adventure"
              ],
              "is_free": false,
              "metacritic": {
                "score": 95,
                "url": "https://www.metacritic.com/game/pc/portal-2?ftag=MCD-06-10aaa1f"
              },
              "name": "Portal 2",
              "platforms": {
                "linux": true,
                "mac": false,
                "windows": true
              },
              "price": {
                "currency": "USD",
                "current": 9.99,
                "discount_pct": 0,
                "initial": 9.99
              },
              "publishers": [
                "Valve"
              ],
              "recommendations": 391982,
              "release_date": "Apr 18, 2011",
              "short_description": "The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!",
              "source": "Steam Web API and Store",
              "store_url": "https://store.steampowered.com/app/620",
              "type": "game",
              "website": "http://www.thinkwithportals.com/"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/games/steam/:appid",
        "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": {
                    "appid": {
                      "description": "Numeric Steam app id in the path, e.g. 620 (Portal 2) or 730",
                      "type": "string"
                    }
                  },
                  "required": [
                    "appid"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "appid": {
                      "type": "number"
                    },
                    "categories": {
                      "description": "Categories",
                      "type": "array"
                    },
                    "coming_soon": {
                      "description": "Coming soon",
                      "type": "boolean"
                    },
                    "current_players": {
                      "description": "Current players",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "developers": {
                      "type": "array"
                    },
                    "genres": {
                      "description": "Genres",
                      "type": "array"
                    },
                    "is_free": {
                      "description": "True when this is free",
                      "type": "boolean"
                    },
                    "metacritic": {
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "name": {
                      "description": "Name",
                      "type": "string"
                    },
                    "platforms": {
                      "description": "Platforms",
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "price": {
                      "description": "Price",
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "publishers": {
                      "type": "array"
                    },
                    "recommendations": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "release_date": {
                      "description": "Release date",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "short_description": {
                      "description": "Short description",
                      "type": "string"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": "string"
                    },
                    "store_url": {
                      "description": "Store URL",
                      "type": "string"
                    },
                    "type": {
                      "description": "Type or kind",
                      "type": "string"
                    },
                    "website": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "appid",
                    "name"
                  ],
                  "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": "2026-10-17T07:10:41.254Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-17T07:10:40.949Z"
    },
    "resource": "https://saylorinnovations.com/api/games/steam/:appid",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "steam game price",
      "steam concurrent players",
      "steam appid lookup",
      "game metacritic score",
      "steam store api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Steam game details by app id - current price and discount, live concurrent player count, Metacritic score, genres, developer, release date and platforms"
}

What the leaf hashes

{"body":"58de339ade6ffd6bd90e25442d7c28055dc1f8a91bf70e1ac4e6d2edf095c13b","id":119943,"kind":"listing","method":"baseline/1","observed_us":1793025616976111,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/games/steam/:appid","subject_kind":"source_record"}

Proof

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

  1. 0xec2057e625a1cdd04babdf9dcf38982481c8c80eb3e2fa2027b5dfbbb2c8d515
  2. 0x93d573276599ced38c4a066e64d95d8db8521e0cec1accf3161575f1ae794adf
  3. 0x359784fa2f9d91b8b0ba98f9824d7e479aab3946eddd41e05e81a63f308dd3ae
  4. 0x0c97853d0cbc772998bb38956f46d933ac75b4f8f44d0f678f66914ee7624943
  5. 0x4dbdc8eaa1392a39541234417bf1da78c67704f65aa0c2c1b8b415154ba24d54
  6. 0x7b028721ac42bc24dd4f416a4661268e659ebc9872e33f51f0ad139943bbd17a
  7. 0x29e3b547f9ed8b815fb6a53a9afab2a776ec420e9dc7ba9bd8f5d0e38150d071
  8. 0x56e97eed2ac006fdb81569d3ef93cede631c9e8e75542c648147f25cc10d9afe
  9. 0x4464dd2061ec013e7d53cd23da45888e7a5a0035928643b6d04cb9f53ece872a
  10. 0x0e6847189b6b941d0233f67c69f0c32e1b6794611c654d5a10f2587ccfc1b873
  11. 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
  12. 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
  13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
  14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON