Evidence row 2202003

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://data-calc.x402tookit.com/sla-downtime"
    ]
  ],
  "name": "Systems Capacity Calculators",
  "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": "SLA availability (99.9 percent, three nines) to allowed downtime per day, month and year; series and parallel composition.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "availability": 99.9
            },
            "type": "http"
          },
          "output": {
            "example": {
              "allowedDowntime": [
                {
                  "downtime": "1 min 26.4 s",
                  "downtimeSeconds": 86.39999999999048,
                  "period": "per day"
                },
                {
                  "downtime": "10 min 4.8 s",
                  "downtimeSeconds": 604.7999999999333,
                  "period": "per week"
                }
              ],
              "asOf": "2026-10-11T20:19:40.493Z",
              "availabilityPercent": 99.9,
              "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.",
              "nines": 3,
              "notChecked": [
                "how your provider measures availability (the monitored window, partial outages, excluded maintenance and the credits the SLA actually pays)",
                "failure correlation: replicas in one data center share power, network and software bugs, so the parallel figure is an upper bound",
                "…1 more"
              ],
              "reasons": [
                "Downtime = (1 - availability) x period; the year is 365 days and the month 30 days.",
                "Series (all must work): multiply availabilities, so the chain is weaker than its weakest link. Parallel (any one suffices): multiply unavailabilities.",
                "…1 more"
              ],
              "source": "computed locally",
              "summary": "99.9% (3 nines) allows 8 h 45 min 36 s per 365-day year, 43 min 12 s per 30-day month, 1 min 26.4 s per day.",
              "verdict": "STANDARD_SLA"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "availability": {
                      "description": "Availability in percent, 0 to 99.99999999 (99.9 = three nines)",
                      "type": "number"
                    },
                    "replicas": {
                      "description": "Identical independent replicas of this component, any one of which suffices (parallel), 1 to 20",
                      "type": "integer"
                    },
                    "seriesWith": {
                      "description": "Other availabilities (percent, comma separated) of components that must ALL work, in series with this one",
                      "type": "string"
                    }
                  },
                  "required": [
                    "availability"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "allowedDowntime": {
                      "items": {
                        "properties": {
                          "downtime": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "downtimeSeconds": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "period": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "availabilityPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "nines": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "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": "2026-11-01T22:47:22.815Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:47:22.56Z"
    },
    "resource": "https://data-calc.x402tookit.com/sla-downtime",
    "serviceName": "Systems Capacity Calculators",
    "tags": [
      "sla",
      "uptime",
      "availability",
      "nines"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "SLA availability (99.9 percent, three nines) to allowed downtime per day, month and year; series and parallel composition."
}

What the leaf hashes

{"body":"f8f2197d396c4f22cc7ed6eba21d2f739870be3694bdae98bf9c08cb69ab9f97","id":2202003,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811305381,"prev":null,"subject":"x402_bazaar:https://data-calc.x402tookit.com/sla-downtime","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. 0xbe94377923560768186eaf4abc62c2733efa2521f0ad571b8d414a094de6d80b
2. 0x0b3642ed67e214c4836984ace690ec6a7d57fefd01f98ef5b322a600cd3eb325
3. 0xd9788b06bf60e8c52eb48b17bc8cbe88ae54d037bcc2be0e4186b3895b7e6e62
4. 0x6a8fcd22e45d81ccc66d6d90297c9f1012b4852a2422b1b3f8b23f8261465aea
5. 0x38f757ba6f291337120275a03bcc83d87b5917ed0d8791437a69bac94d335a18
6. 0x3edb950bfe58be20a40458b41f786726ab13ca5a0da11f2ed9c8502ece8047f7
7. 0x4b787218fc8a0f3a098cd9895d6bd234110d95a40dfbdc1f5756758a0b91fe43
8. 0xb33d5dd8c7ab12115e168fd36c6414d04e401dad52a7b6daac6d41a10aa1d015
9. 0xda80a88d858331f005dd793a6ee9749f44bfddb1de2344c4ac84cc0d7018838a
10. 0xe60462669207e5aa2c8961e220e39200c16c8562aea3a6acac78cd33e810c1db
11. 0xbd38f0f1074e16b95ac4d2d8f01ff08665bdc071f6bbb275a99308f4d7289841
12. 0x7ab1afbc5dff2f15cd9d70287be5427947cfc03841ccd326471dc4eef08bb4c6
13. 0x047210a388d428d19c536816e7de36503493563ebf77985dcdc7335f49f50a17
14. 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af