Evidence row 2202143

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://calendar-systems.x402tookit.com/moon-calendar"
    ]
  ],
  "name": "Calendar Systems",
  "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": "All new moons, first quarters, full moons and last quarters in a month (UTC) with times and a blue-moon flag.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "month": "2026-05"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T08:54:34.158Z",
              "blueMoon": true,
              "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.",
              "events": [
                {
                  "phase": "Full Moon",
                  "utc": "2026-05-01T17:23Z"
                },
                {
                  "phase": "Last Quarter",
                  "utc": "2026-05-09T21:10Z"
                }
              ],
              "fullMoonCount": 2,
              "fullMoons": [
                "2026-05-01T17:23Z",
                "2026-05-31T08:45Z"
              ],
              "month": "2026-05",
              "newMoonCount": 1,
              "newMoons": [
                "2026-05-16T20:01Z"
              ],
              "notChecked": [
                "local time zone: times are UTC, so the local date of a phase can differ by a day",
                "eclipses, perigee and apogee (supermoons)",
                "…1 more"
              ],
              "reasons": [
                "Principal phases per Meeus; times rounded to the minute, UTC.",
                "A calendar-month blue moon is the second full moon in one month (a month with two new moons is sometimes called a black moon)."
              ],
              "source": "Meeus, Astronomical Algorithms ch. 49 (principal phases), Espenak/Meeus Delta T; computed locally",
              "summary": "2026-05 has 2 full moons and 1 new moon (UTC): the second full moon, 2026-05-31T08:45Z, is a calendar-month blue moon.",
              "verdict": "BLUE_MOON_MONTH"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "month": {
                      "description": "YYYY-MM, 1900 to 2100",
                      "type": "string"
                    }
                  },
                  "required": [
                    "month"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "blueMoon": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "events": {
                      "items": {
                        "properties": {
                          "phase": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "utc": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "fullMoonCount": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "fullMoons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "month": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "newMoonCount": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "newMoons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:40:30.108Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:40:29.928Z"
    },
    "resource": "https://calendar-systems.x402tookit.com/moon-calendar",
    "serviceName": "Calendar Systems",
    "tags": [
      "moon-phase",
      "full-moon",
      "astronomy",
      "calendar"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "All new moons, first quarters, full moons and last quarters in a month (UTC) with times and a blue-moon flag."
}

What the leaf hashes

{"body":"acfa234f907dd9063e6808183363c0c8ccdb2cd7e44d6c1e181221ecc8c5d8aa","id":2202143,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813480791,"prev":null,"subject":"x402_bazaar:https://calendar-systems.x402tookit.com/moon-calendar","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. 0x659af5c90bd0c75643a7065e2375b2b3db72c2f94f257a579c954f6f635d2051
2. 0x93fe5fd7ec703ff2be0ef6ecb2a656b621d4310739d079d0963ef3839be4d82b
3. 0x8d0978b41e49286378e69af236ed5cce34ad39c714968edc54837676e030f424
4. 0xa0097b73c626dc6e218d3e476eb0ce022048f725500b047a7ccb91f5081c11ef
5. 0x4dc326e3d9717a7a3678d47bff0ac12dca495ebb5ae29c16cfc1acfe4a135935
6. 0x38d39b5eb580a5ffd1a814e53ee0aa1aa1b4f5032db4b6cc8082ff88b4a8c102
7. 0x8bfeddc0ddd2fddc6e3649f6c0dc1a396fa91ca1b03b1ab76a3b1dee787eb337
8. 0x4d22664945a7f8c1e48e5082272e5e8097c10cde6cf869407d378e90a658ad93
9. 0x6a273e0b875e1c39910e704c655c9007183fdcbf9347a5e7674a556ec382d741
10. 0x4636e28141d2fbd4ac281db86823f4e7cac2911e61cc736f534b671d5b01c785
11. 0x537130f563bf92654495b68976e1bf73af9e040b9cd4cf776e0b0c014f484d70
12. 0xc896eaae3056ce1ba9baca9b17e29ba832a897624bdd998bac108458e38c2648
13. 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af