Evidence row 2201359

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://space-objects.x402tookit.com/impact-scales"
    ]
  ],
  "name": "Space Objects",
  "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": "Torino scale levels explained, or the Palermo scale value from impact probability, energy in megatons and years until impact.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "energyMt": 1400,
              "probability": 0.0005,
              "yearsUntil": 160
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T08:41:44.382Z",
              "backgroundProbability": 0.0146,
              "backgroundRatePerYear": 0.00009125,
              "band": "Merits careful monitoring",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "energyMegatons": 1400,
              "notChecked": [
                "the real Torino rating of any object (see /impact-risk-object for JPL's value; Torino also needs the collision energy and time chart, which this does not decide)",
                "orbit uncertainty",
                "…1 more"
              ],
              "palermoScale": -1.465,
              "probability": 0.0005,
              "ratioToBackground": 0.0342,
              "reasons": [
                "Palermo scale = log10( p / (fB * T) ) with fB = 0.03 * E^-0.8 per year (E in megatons) as the background impact rate (Chesley et al. 2002).",
                "Below -2: no likely consequences; -2 to 0: merits careful monitoring; above 0: merits concern."
              ],
              "source": "computed locally",
              "summary": "Impact probability 0.0005, 1400 Mt, in 160 years gives Palermo -1.47: merits careful monitoring. The background chance of an equal or larger impact in that time is 0.0146.",
              "verdict": "PALERMO_MINUS_2_TO_0",
              "yearsUntil": 160
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "energyMt": {
                      "description": "Impact energy in megatons TNT, 0.001 to 1e8 (Palermo mode)",
                      "type": "number"
                    },
                    "probability": {
                      "description": "Impact probability, above 0 up to 1 (Palermo mode)",
                      "type": "number"
                    },
                    "torino": {
                      "description": "Torino level 0 to 10 to explain (omit to list all)",
                      "type": "integer"
                    },
                    "yearsUntil": {
                      "description": "Years until the possible impact, 0.01 to 1000 (Palermo mode)",
                      "type": "number"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "backgroundProbability": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "backgroundRatePerYear": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "band": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "energyMegatons": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "palermoScale": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "probability": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "ratioToBackground": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "yearsUntil": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:04:58.141Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:04:57.995Z"
    },
    "resource": "https://space-objects.x402tookit.com/impact-scales",
    "serviceName": "Space Objects",
    "tags": [
      "asteroid",
      "impact",
      "torino",
      "palermo",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Torino scale levels explained, or the Palermo scale value from impact probability, energy in megatons and years until impact."
}

What the leaf hashes

{"body":"aba9a2d79bbc639d13ac1b8330fd9488a6d4147f988ff2e3609cecb60b0beebb","id":2201359,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804643465,"prev":null,"subject":"x402_bazaar:https://space-objects.x402tookit.com/impact-scales","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. 0xaacefa60f6de1ef4f762c94f11b80456ae1052f0854bb2b36a62c2b8dff90d79
2. 0xd241ffb3659c594a07cd2504c7e3e9bcb0b6be750046caf39686728a9350f6ab
3. 0xfc22d9613b511a8eeb79a15e2223552674033ff059d49fa3f8c7b0f025d2b6da
4. 0x3462b8a439f458d4ca9044320023215a213331f80156b4f3422a2c66c200768f
5. 0xd3a40308fe4d59e10b17332fe15ff95bc994b60a448940267fdaf4fdf7ade6dd
6. 0xa1b7ae26863de6728a9d7cd3f4e82c30091a9feae2751675a9827e670d045084
7. 0x1edbe4145a59c32184dcdce32bbf52417652a06fad4e81bc10708fe0e7636b96
8. 0x5621de784a76d5e59966440f2680cf3c2c40df5721fea0799269cbebb97ef2f5
9. 0xf93cb517dccb1319b74efa3abed778e36ea86927db20c5094d201af64b253ca0
10. 0xcb5b0c1b6e1167f8907ca4c687a763318be95a85fb219baa0f044b74705c0fa3
11. 0xe63ee161a6381a689376228cfa3659fd752ef85106858bd5f978bcd0c49a24aa
12. 0xecb2b1beabd76534757e66312399858ccb35ae71884df60c160786e26591e83b
13. 0x0a8f32fa56d4ddb69ff176883beda0b0217f66ec9bd09c11cec95d7ba5f6c70a
14. 0x27deeb1ef1692b4773e73c16b6d8d0cdf4251fe2660821e5336f57539770fd2f
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af