Evidence row 2201918

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://exoplanets-nasa.x402tookit.com/earth-comparison"
    ]
  ],
  "name": "NASA Exoplanets",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Planet size, mass, density, gravity and escape speed as ratios to Earth, with insolation if luminosity and orbit are given.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "massEarth": 0.692,
              "radiusEarth": 0.92
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T08:48:41.459Z",
              "degraded": false,
              "density": 0.8887,
              "densityGcc": 4.9,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "escapeVelocityKmS": 9.701,
              "escapeVelocityRatio": 0.8673,
              "formulas": "density = 5.514 M / R^3 g/cc; gravity = M / R^2 (Earth = 1); escape speed = 11.186 sqrt(M / R) km/s",
              "mass": 0.692,
              "notChecked": [
                "habitability: matching Earth's size or flux does not make a planet habitable",
                "composition: density hints at rock versus gas but does not identify it",
                "…1 more"
              ],
              "radius": 0.92,
              "radiusEarth": 0.92,
              "reasons": [
                "Ratios come from the radius and mass you supplied.",
                "Radius is within the range where planets are usually rocky (about 1.6 Earth radii or less)."
              ],
              "sizeClass": "Earth-size",
              "source": "computed locally",
              "summary": "Compared with Earth: radius 0.92x Earth (Earth-size); mass 0.692x; gravity 0.8176x; density 4.9 g/cc (Earth 5.514); escape speed 9.701 km/s.",
              "surfaceGravity": 0.8176,
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "luminositySolar": {
                      "description": "Star luminosity in solar units (with orbitAu)",
                      "type": "number"
                    },
                    "massEarth": {
                      "description": "Planet mass in Earth masses, 0.001 to 20000",
                      "type": "number"
                    },
                    "orbitAu": {
                      "description": "Semi-major axis in AU (with luminositySolar)",
                      "type": "number"
                    },
                    "radiusEarth": {
                      "description": "Planet radius in Earth radii, 0.05 to 30",
                      "type": "number"
                    }
                  },
                  "required": [
                    "radiusEarth"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "density": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "densityGcc": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "escapeVelocityKmS": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "escapeVelocityRatio": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "formulas": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "mass": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "radius": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "radiusEarth": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "sizeClass": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "surfaceGravity": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:53:03.898Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:53:03.61Z"
    },
    "resource": "https://exoplanets-nasa.x402tookit.com/earth-comparison",
    "serviceName": "NASA Exoplanets",
    "tags": [
      "exoplanet",
      "earth",
      "comparison",
      "planet",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Planet size, mass, density, gravity and escape speed as ratios to Earth, with insolation if luminosity and orbit are given."
}

What the leaf hashes

{"body":"122279de9ba91774df5e3f0992e1b98212223e9eb910aed57eb7f69cc14be9d4","id":2201918,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810195323,"prev":null,"subject":"x402_bazaar:https://exoplanets-nasa.x402tookit.com/earth-comparison","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3c8f7bb8f3a72840bd0f46acd18047e7439f7a28590bf23c886a0900065aa24d
2. 0x3e96cf0b89a0d7b75242bc1d5d74c90b72940e95ec90d61a3ac7dce2e8f790a5
3. 0x15d489e2f32759964933bc7849db3dbed82721deb7967d0234a467a446a9750f
4. 0x05912526020ed2ac0c1fd4764c9674a7c4e46003145ac1c71720440e447d0489
5. 0x1bdb7c781483847255bf87f6df4dbab075998a24c44eaf04ee926d394994bd99
6. 0x5a8aa0fa9f6b573bdaa7f342ac4a22c903134d0e95901d017f8cbdb296828825
7. 0xfca6adc15408995569f83598d83ccdca3a79fc405656cb2ec327c015e534adf2
8. 0x41faf413efcea5d1c49ae0a8f575a6ecd53e243ff307df2d745db73f6f24e926
9. 0x08a88737b816664aef235c31817dde8188e2804149a5e06ecbb96c3aaaa06dc7
10. 0x4fc1fae4140c19cfaec54fbd600a9585a48800444170471c0a727ee24a157221
11. 0x28b681f66b8813ea88f84e682682d3e566e64f215d6dcc5b3b36b78a97050a02
12. 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af