Evidence row 121567

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://space.halowerk.com/v1/satellite-pass"
    ]
  ],
  "name": "space.halowerk.com/v1/satellite-pass",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Propagates a circular two-body orbit from altitude, inclination, RAAN, and initial orbital phase; rotates Earth at a fixed sidereal rate; and samples ground-station elevation. It ignores eccentricity, perturbations, epoch-dependent Greenwich angle, refraction, ellipsoid shape, terrain, and antenna masks, so it is a planning estimate rather than operational ephemeris.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "altitude_km": 550,
              "duration_seconds": 43200,
              "ground_latitude_deg": 52.52,
              "ground_longitude_deg": 13.405,
              "inclination_deg": 53,
              "initial_phase_deg": 210,
              "minimum_elevation_deg": 10,
              "raan_deg": 15,
              "step_seconds": 30
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "altitude_km": {
                      "description": "Circular altitude above a spherical Earth.",
                      "maximum": 100000,
                      "minimum": 100,
                      "type": "number"
                    },
                    "duration_seconds": {
                      "maximum": 172800,
                      "minimum": 10,
                      "type": "integer"
                    },
                    "ground_latitude_deg": {
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "ground_longitude_deg": {
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    },
                    "inclination_deg": {
                      "maximum": 180,
                      "minimum": 0,
                      "type": "number"
                    },
                    "initial_phase_deg": {
                      "description": "Argument of latitude at t=0.",
                      "maximum": 360,
                      "minimum": -360,
                      "type": "number"
                    },
                    "minimum_elevation_deg": {
                      "maximum": 90,
                      "minimum": -5,
                      "type": "number"
                    },
                    "raan_deg": {
                      "description": "Right ascension of ascending node relative to Greenwich at t=0.",
                      "maximum": 360,
                      "minimum": -360,
                      "type": "number"
                    },
                    "step_seconds": {
                      "maximum": 3600,
                      "minimum": 10,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "altitude_km",
                    "inclination_deg",
                    "raan_deg",
                    "initial_phase_deg",
                    "ground_latitude_deg",
                    "ground_longitude_deg",
                    "duration_seconds",
                    "step_seconds",
                    "minimum_elevation_deg"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:34.416Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T06:13:34.182Z"
    },
    "resource": "https://space.halowerk.com/v1/satellite-pass",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Propagates a circular two-body orbit from altitude, inclination, RAAN, and initial orbital phase; rotates Earth at a fixed sidereal rate; and samples ground-station elevation. It ignores eccentricity, perturbations, epoch-dependent Greenwich angle, refraction, ellipsoid shape, terrain, and antenna masks, so it is a planning estimate rather than operational ephemeris."
}

What the leaf hashes

{"body":"ffd9f970417afe084a5013fc59b0a428095586bb91e95376151de0f59e669675","id":121567,"kind":"listing","method":"baseline/1","observed_us":1793025620080001,"prev":null,"subject":"x402_bazaar:https://space.halowerk.com/v1/satellite-pass","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. 0xff2db497b87ed1b1a0b6454fde87937c9a8e46740e89c3a78d01454f44b21a00
2. 0x2c746c4c681483742acad3df72cd549aec8aa82e7a7908b3c52929d45e1056c0
3. 0x95c230c0e3299dee9d2793a431fd0bb8d609a4b969ac5d0f823701054186e0d6
4. 0x39750bca0c41491b2836eaf041a83f6fbdfd35086ccb29a9cfcec11b4755e809
5. 0x4f1cfbe848168c8ad8c025499e85e3297cb014e8b3c5541b6a81fe54321833b8
6. 0x98b41f8fbdb044f29a3e83996a5ea2b60ff5bbd1fb7a77175cc2c17f9ae3eefc
7. 0x523c5aaf261c1204a203e8c2144172c77d7d63dc0bba9bf91e4262027afe7b6a
8. 0x5aabf3ce9106e0b9528ea34d76d3ca3c9007cd933e882c7f5501adde0bcb50b5
9. 0xfc83ee4738c633e4c5c1f727c601153a2afb21d524ceb83f6e84b881a41b3d93
10. 0x301cb2348a778b944d1bff0de6fa4d710487d6a5b6fb61608bd9e3d5df1f098a
11. 0xf0e3125fdb80cc0fbd2c1ed68c94834a74c7a387a89a1ab6de49183f24f78649
12. 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
13. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae