Evidence row 120573

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/runtimes/latest"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:runtimes-latest",
          "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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:datadesk:runtimes-latest",
          "reference": "BA1sQjz1uEpUTvAFYq1NXxqvsJompxHsjk8oVxLWsJhv",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpydW50aW1lcy1sYXRlc3QiLCJyZWZlcmVuY2UiOiJCQTFzUWp6MXVFcFVUdkFGWXExTlh4cXZzSm9tcHhIc2prOG9WeExXc0podiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzIwMTEyNTUyfQ.qrF9EhVCGUzjcXgBsGEU75iiMCfVAFkpiO-f426jBOY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Latest runtime versions - current stable and LTS release of Node.js, Python, Go, Java, Ruby, PHP, .NET, Rust and databases with supported cycles",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "names": "node,python,go"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 3,
              "runtimes": [
                {
                  "cycle_eol": "2029-04-30",
                  "latest_cycle": "26",
                  "latest_lts_cycle": "24",
                  "latest_lts_version": "24.21.0",
                  "latest_release_date": "2026-10-08",
                  "latest_version": "26.11.1",
                  "product": "nodejs",
                  "runtime": "node",
                  "supported_cycles": [
                    "26",
                    "24",
                    "22"
                  ]
                },
                {
                  "cycle_eol": "2031-10-31",
                  "latest_cycle": "3.15",
                  "latest_lts_cycle": null,
                  "latest_lts_version": null,
                  "latest_release_date": "2026-10-09",
                  "latest_version": "3.15.0",
                  "product": "python",
                  "runtime": "python",
                  "supported_cycles": [
                    "3.15",
                    "3.14",
                    "3.13",
                    "3.12",
                    "3.11"
                  ]
                },
                {
                  "cycle_eol": null,
                  "latest_cycle": "1.27",
                  "latest_lts_cycle": null,
                  "latest_lts_version": null,
                  "latest_release_date": "2026-10-08",
                  "latest_version": "1.27.2",
                  "product": "go",
                  "runtime": "go",
                  "supported_cycles": [
                    "1.27",
                    "1.26"
                  ]
                }
              ],
              "source": "endoflife.date"
            },
            "type": "json"
          }
        },
        "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"
                },
                "queryParams": {
                  "properties": {
                    "names": {
                      "description": "optional comma list: node, python, go, java, ruby, php, dotnet, rust, kotlin, deno, bun, postgresql, mysql, redis, mongodb",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "count": {
                      "description": "Number of items returned",
                      "type": "number"
                    },
                    "runtimes": {
                      "items": {
                        "properties": {
                          "cycle_eol": {
                            "description": "Cycle eol"
                          },
                          "latest_cycle": {
                            "description": "Latest cycle"
                          },
                          "latest_lts_cycle": {
                            "description": "Latest lts cycle"
                          },
                          "latest_lts_version": {
                            "description": "Latest lts version",
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "latest_release_date": {
                            "description": "Latest release date"
                          },
                          "latest_version": {
                            "description": "Latest version",
                            "type": "string"
                          },
                          "product": {
                            "description": "Product name"
                          },
                          "runtime": {
                            "type": "string"
                          },
                          "supported_cycles": {
                            "description": "Supported cycles",
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "runtimes"
                  ],
                  "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": "2026-10-18T10:39:52.593Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-18T10:39:52.369Z"
    },
    "resource": "https://saylorinnovations.com/api/runtimes/latest",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "latest version",
      "node python go",
      "lts",
      "runtime versions",
      "release"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest runtime versions - current stable and LTS release of Node.js, Python, Go, Java, Ruby, PHP, .NET, Rust and databases with supported cycles"
}

What the leaf hashes

{"body":"391e68697fe3d3361998b124134033fa6ecbf6e3a4e10fa332e338cd55d7101f","id":120573,"kind":"listing","method":"baseline/1","observed_us":1793025618252836,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/runtimes/latest","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. 0xcb00d570ae2ca8726988de6072eaa2c0871d40f774cd0cd16131541846cf1367
2. 0x0a9a431801c09d2723769d03622bc7479fd53e35bbc8ae04eb664bf3001e0e35
3. 0x604ae7e9cf8ea792508da8e63cba1694cee326c00f83f3cf416ef2c99736669e
4. 0x67cb465bf66434cfd2750c8ca04336e0503f1cbf7bbca1305f86beffdce98918
5. 0xe0fdf1ab3455499c07c78881cc5cfd0e4db4e52a882e7ef9154d7ff3017f3dad
6. 0xb1da98d8a4e455db6591719bca741b46614140ba0843d010e5266d249bfced38
7. 0xf764cfb0fe3893160e38114baa165db89cbaef5a79c55129c41ab1b01fddb978
8. 0xb6bace605fd360da2c6c73e5667ed2942f4d76802a25f3b3c9e09090cdf8bed2
9. 0x00fbcc59345b153dcb2b8f8346c33167365a33678310565bab22cd4cf59deac1
10. 0x9789df0b68a0c56f96db447ac03549df4b97c545b493a676ef441af41eab593b
11. 0xd854065b5246baf332a9ace158b6f99219183612c97d95e881ab7a7e7fb3bd6b
12. 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae