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Evidence row 77392

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://market.561.group/v1/astronomy/positions/:date
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f9631fc072aceee12b71db50e5fa19a8efb6401dad915bd0c7dbda0814dbb9ef
Leaf
0xcf890ff130d8c2ff4f3bedf68243b150967fba48d8d388788305dd21f6eff385

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.561.group/v1/astronomy/positions/:date"
    ]
  ],
  "name": "561-group-astronomy-positions",
  "owner_address": "0x32886f6f361c1d570255c2762967a2e41d0e9b1a",
  "raw": {
    "accepts": [
      {
        "amount": "40000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a",
        "scheme": "exact"
      }
    ],
    "description": "Apparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "date": "2026-07-21T00:00:00Z"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "accuracy": {
                "method": "independently audited against astronomy-engine (VSOP87/ELP)",
                "validRange": "1800-2050"
              },
              "bodies": {
                "sun": {
                  "latitude": 0,
                  "longitude": 118.3151,
                  "speed": 0.95465
                }
              },
              "frame": "geocentric ecliptic-of-date, tropical, apparent",
              "lunarPhase": {
                "elongation": 92.4413,
                "illuminatedFraction": 0.566,
                "trend": "waxing"
              },
              "provenance": {
                "algorithm": "meeus-truncated-series + jpl-approximate-elements (zero-dependency)"
              },
              "tier": "astronomy-positions",
              "time": "2026-07-21T00:00:00.000Z"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/astronomy/positions/:date",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "date": {
                      "description": "Exact ISO-8601 UTC date or instant, e.g. 2026-07-21T00:00:00Z.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "date"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "accuracy": {
                      "type": "object"
                    },
                    "bodies": {
                      "type": "object"
                    },
                    "frame": {
                      "type": "string"
                    },
                    "lunarPhase": {
                      "type": "object"
                    },
                    "provenance": {
                      "type": "object"
                    },
                    "tier": {
                      "const": "astronomy-positions"
                    },
                    "time": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "tier",
                    "time",
                    "frame",
                    "bodies",
                    "lunarPhase",
                    "provenance",
                    "accuracy"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "sign-in-with-x": {
        "info": {
          "domain": "market.561.group",
          "expirationTime": "2026-10-24T15:03:24.654Z",
          "issuedAt": "2026-10-24T14:58:24.654Z",
          "nonce": "12bb262a348a60247b7c06ab93c7a0aa",
          "resources": [
            "https://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z"
          ],
          "statement": "Sign in to use what this wallet has been granted at market.561.group.",
          "uri": "https://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "address": {
              "type": "string"
            },
            "chainId": {
              "type": "string"
            },
            "domain": {
              "type": "string"
            },
            "expirationTime": {
              "type": "string"
            },
            "issuedAt": {
              "type": "string"
            },
            "nonce": {
              "type": "string"
            },
            "notBefore": {
              "type": "string"
            },
            "requestId": {
              "type": "string"
            },
            "signature": {
              "type": "string"
            },
            "statement": {
              "type": "string"
            },
            "type": {
              "type": "string"
            },
            "uri": {
              "type": "string"
            },
            "version": {
              "type": "string"
            }
          },
          "required": [
            "domain",
            "address",
            "uri",
            "version",
            "chainId",
            "type",
            "nonce",
            "issuedAt",
            "signature"
          ],
          "type": "object"
        },
        "supportedChains": [
          {
            "chainId": "eip155:8453",
            "type": "eip191"
          }
        ]
      }
    },
    "lastUpdated": "2026-10-24T14:58:24.884Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T14:58:23.435Z"
    },
    "resource": "https://market.561.group/v1/astronomy/positions/:date",
    "serviceName": "561-group-astronomy-positions",
    "tags": [
      "ephemeris",
      "positional-astronomy",
      "planetary-positions"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Apparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds."
}

What the leaf hashes

{"body":"f9631fc072aceee12b71db50e5fa19a8efb6401dad915bd0c7dbda0814dbb9ef","id":77392,"kind":"listing","method":"baseline/1","observed_us":1793025493910251,"prev":null,"subject":"x402_bazaar:https://market.561.group/v1/astronomy/positions/:date","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. 0xcf895c2f037731219bf053b954ecae5274171c663ac0c98bf3f481101c162f0c
  2. 0x8937d60a3a3aecdcf95471556a50edf91f5ea43d0adba7cce995d10255418821
  3. 0x0b5497300768b61e4426f2af732004044639a28cb91d322433a2296001d4fee1
  4. 0x66f852ed1e240beb0798f56af4aadc2064b8996d8dc517051bd21b0c383974a5
  5. 0x4d0227ae6b9ef7780b333b11886b86331b792bd157159b8303ffec24e929ee94
  6. 0x4b629e9402f98f3ed885b5ddddcd72c864fc651dd61c0894b450b8f3be72c4a7
  7. 0xcc895031804af223dccab4625beb3f6849358e0a7fb999b864a45c64e191ef5c
  8. 0x7e80aabfe9c26c7d5799149ac6cfa603622956c18a020fe8e1cbb3d6148c7849
  9. 0x957b2335d6cf9f2c9c7638555fafce20f612e0e8922531265bb53af9057054c0
  10. 0xe80cf76bacef3df61a800537d5481bfa232c64dfad273eae27f78fe186ee2452
  11. 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
  12. 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
  13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
  14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
  15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON