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Evidence row 2202019

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://css-design-calc.x402tookit.com/css-specificity
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
781b40659a5f6c698c6f849d308a9efb7df4898259141909c62a0cecd3ff2356
Leaf
0xb6e4b93d1f7a3cd8a73d602eea4fddbe0d467fa035fdf42607cb5542787e2bdd

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://css-design-calc.x402tookit.com/css-specificity"
    ]
  ],
  "name": "CSS Design Calc",
  "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": "CSS selector specificity (ids, classes, types) per Selectors Level 4, including :is(), :not(), :where() and :has(); compare two.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "compareTo": ".link.active",
              "selector": "#main nav a.active:not(.disabled)"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:32:43.396Z",
              "comparison": {
                "detail": "The first selector is more specific.",
                "first": "1,2,2",
                "second": "0,2,0",
                "winner": "first"
              },
              "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.",
              "highest": "1,2,2",
              "highestSelector": "#main nav a.active:not(.disabled)",
              "notChecked": [
                "inline styles (1,0,0,0 above any selector), !important, cascade layers (@layer), scope and origin, which all outrank specificity",
                "source order (the later rule wins on a tie)",
                "…3 more"
              ],
              "reasons": [
                "Compare left to right: any id beats any number of classes; any class beats any number of types."
              ],
              "selectors": [
                {
                  "a": 1,
                  "b": 2,
                  "c": 2,
                  "classCount": 2,
                  "idCount": 1,
                  "selector": "#main nav a.active:not(.disabled)",
                  "specificity": "1,2,2",
                  "typeCount": 2
                }
              ],
              "source": "CSS Selectors Level 4 section 17 (specificity) rules, computed locally",
              "summary": "Specificity 1,2,2 (ids, classes/attributes/pseudo-classes, types/pseudo-elements). Versus 0,2,0: first wins.",
              "valid": true,
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "compareTo": {
                      "description": "A second selector; says which wins in the cascade (same origin, no !important)",
                      "type": "string"
                    },
                    "selector": {
                      "description": "A selector or comma separated list, e.g. nav ul > li.active a:hover",
                      "type": "string"
                    }
                  },
                  "required": [
                    "selector"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "comparison": {
                      "properties": {
                        "detail": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "first": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "second": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "winner": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "highest": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "highestSelector": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "selectors": {
                      "items": {
                        "properties": {
                          "a": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "b": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "c": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "classCount": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "idCount": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "selector": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "specificity": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "typeCount": {
                            "type": [
                              "null",
                              "number"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "valid": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:46:39.379Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:46:39.095Z"
    },
    "resource": "https://css-design-calc.x402tookit.com/css-specificity",
    "serviceName": "CSS Design Calc",
    "tags": [
      "css",
      "specificity",
      "selectors",
      "debugging"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "CSS selector specificity (ids, classes, types) per Selectors Level 4, including :is(), :not(), :where() and :has(); compare two."
}

What the leaf hashes

{"body":"781b40659a5f6c698c6f849d308a9efb7df4898259141909c62a0cecd3ff2356","id":2202019,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811374177,"prev":null,"subject":"x402_bazaar:https://css-design-calc.x402tookit.com/css-specificity","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xb6e4c898f29a32509e38df419f10a4fee584f855f2df95235e4842f8424fe377
  2. 0x4a8a9aed78e7e3bdaad9c4a0dd0f84b7f8b8a6b7dc82562bd8820d5b7b08d7b6
  3. 0x67677156d7f61637f4f44ff9765749d9eccf77a70886369280999bc961bfe369
  4. 0x0b5f953268b75ecd6d6a04692ba619993dcb7adb07a3fe72c3443b6897fbe726
  5. 0xf0efac125252db2a1af49c5ec34463a9777e63b62d3a96b0fb6678f6e6180321
  6. 0x6f21a3d00880400d6dc2bac55ebed468d92562a02abea0f4ccce0ed7a62efedc
  7. 0x70c71e6ec53e81f6e20e8c1247978375540ec90b8dfc372f8d53014dd299d819
  8. 0xed6a2463514cb39bf2725bb2f02ed3a7700140c79f9735b7d0057c3768daeed6
  9. 0x75df693af41ba1351bca8aa60151ff44598833a699a6ee119aa5d47b986de45b
  10. 0xc9c8f640713eae41e8f93d0df0f8d780c508a161d00d08d1bebbf047704f6e07
  11. 0xb90715a9e02eae65281cf69fec6269cca4f892eb446184da6ee783020656c01f
  12. 0x1e746a5fe19cb9ec0a19b0ddff5c240ad1117a5db0999c1e01fe8f1235d88e30
  13. 0x030e61e00342e920981555e2e665fa5ec4a741b10a078f282daa829896c87583
  14. 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
  15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
  16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON