addrbookFor publishers
← The evidence ledger

Evidence row 2251480

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://detect.halowerk.com/u/css-declared-absolute-fixed-containing-block-ancestry
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2ce1d8d658c77a61080b8aa7a67703860c4c6bc04937ab26b2066da93c393135
Leaf
0xb9160ee6c5b8e6d9165ac85d0ce550bc76aca9f941c76389d34c950189794d1c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://detect.halowerk.com/u/css-declared-absolute-fixed-containing-block-ancestry"
    ]
  ],
  "name": "detect.halowerk.com/u/css-declared-absolute-fixed-containing-block-ancestry",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Before moving absolute or fixed descendants between generated layout containers, determine which source-declared ancestor actually establishes their original containing block. Distinguish the two ancestor searches, transparent contents nodes, root filter exception, position-only barriers and transform/filter/containment/hint barriers. Produce aggregate ancestry facts, never claimed coordinates, rendered pixels or browser behavior.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billable": true,
              "findings": [
                {
                  "confidence": 100,
                  "evidence": [],
                  "limits": [
                    "Complete original raw HTML model only; no rendering, execution, interaction, submission, authentication or unmeasured external resource is asserted.",
                    "Only numeric and boolean aggregates are returned; source text, names, URLs, header values, contact data and identifiers remain private."
                  ],
                  "module": "css-declared-absolute-fixed-containing-block-ancestry",
                  "state": "not_observed",
                  "value": {
                    "absolute_queries_bound_to_ancestor": 0,
                    "absolute_queries_using_initial_containing_block": 0,
                    "boxless_or_suppressed_source_queries": 0,
                    "contents_ancestor_boxes_skipped": 0,
                    "document_root_filter_noncreators_passed": 0,
                    "documents": 1,
                    "fixed_queries_bound_to_ancestor": 0,
                    "fixed_queries_using_continuous_layout_viewport": 0,
                    "positioned_ancestors_skipped_for_fixed_queries": 0,
                    "queries_bound_beyond_direct_parent": 0,
                    "queries_bound_to_direct_parent": 0,
                    "queries_bound_to_document_root": 0,
                    "selected_ancestor_has_containment_trigger": 0,
                    "selected_ancestor_has_filter_trigger": 0,
                    "selected_ancestor_has_perspective_trigger": 0,
                    "selected_ancestor_has_position_trigger": 0,
                    "selected_ancestor_has_preserve3d_trigger": 0,
                    "selected_ancestor_has_transform_trigger": 0,
                    "selected_ancestor_has_will_change_trigger": 0,
                    "source_absolute_queries": 0,
                    "source_fixed_queries": 0,
                    "source_program_binding_not_geometry_or_rendering": true,
                    "sum_selected_ancestor_dom_distance": 0
                  },
                  "warnings": []
                }
              ],
              "known_count": 1,
              "scope": {
                "at": "2026-10-29T08:36:50.067Z",
                "contact_values_returned": false,
                "pages": 1,
                "rendered": false,
                "requests": 6
              },
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "url": {
                      "format": "uri",
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "billable": {
                      "const": true
                    },
                    "findings": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "confidence": {
                            "maximum": 100,
                            "minimum": 0,
                            "type": "integer"
                          },
                          "evidence": {
                            "type": "array"
                          },
                          "limits": {
                            "type": "array"
                          },
                          "module": {
                            "const": "css-declared-absolute-fixed-containing-block-ancestry"
                          },
                          "state": {
                            "enum": [
                              "observed",
                              "not_observed",
                              "unknown"
                            ]
                          },
                          "value": {
                            "additionalProperties": {
                              "oneOf": [
                                {
                                  "type": "integer"
                                },
                                {
                                  "type": "boolean"
                                }
                              ]
                            },
                            "type": [
                              "object",
                              "null"
                            ]
                          },
                          "warnings": {
                            "type": "array"
                          }
                        },
                        "required": [
                          "module",
                          "value",
                          "state",
                          "confidence",
                          "evidence",
                          "warnings",
                          "limits"
                        ],
                        "type": "object"
                      },
                      "maxItems": 1,
                      "minItems": 1,
                      "type": "array"
                    },
                    "known_count": {
                      "const": 1
                    },
                    "scope": {
                      "type": "object"
                    },
                    "warnings": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "findings",
                    "known_count",
                    "billable",
                    "warnings",
                    "scope"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T15:59:41.832Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T15:59:41.647Z"
    },
    "resource": "https://detect.halowerk.com/u/css-declared-absolute-fixed-containing-block-ancestry",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Before moving absolute or fixed descendants between generated layout containers, determine which source-declared ancestor actually establishes their original containing block. Distinguish the two ancestor searches, transparent contents nodes, root filter exception, position-only barriers and transform/filter/containment/hint barriers. Produce aggregate ancestry facts, never claimed coordinates, rendered pixels or browser behavior."
}

What the leaf hashes

{"body":"2ce1d8d658c77a61080b8aa7a67703860c4c6bc04937ab26b2066da93c393135","id":2251480,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647817794566,"prev":null,"subject":"x402_bazaar:https://detect.halowerk.com/u/css-declared-absolute-fixed-containing-block-ancestry","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. 0xb9164afdcc310e077006e2f5d930bcdd9203bfb56de61cd01755962063ab6e0e
  2. 0x91d8c1159419ff29ef66427f3266475c0b5dec216f002b8d1492c0fc50d361af
  3. 0x82062e3fdc6d6517a7a078605628bfeb665f370b74879589bffecb0f8d11bbac
  4. 0x12c4c8847aff3cf093c305adf81e267d48beb510506bdfb28e0af9375274b280
  5. 0x09ac831716f8986b0ab3f3883cc2b6984647905bb7b00f1a577394cd7e2ed111
  6. 0xe544904b4ddf27e9915fa39015fdd7ea51ac8f91ebf540de82056b7cd8a7f566
  7. 0x1b6eb5c5186e380051665eceb6d8518c2430fafb57779f803ffbe8ffbb36fae9
  8. 0x3679925f4d8be1924ecc84d305c8658c7b34f5016d487111fbd04f6d8a325056
  9. 0x36f5cb8ca0c5110d7e6613fce0c2bcdeae75371bf5b4e7c7d6f4163287f5091c
  10. 0x3d89728bcfc6f58d2bc824480402ea2b85f7c3551a11ec2eef63a1a1fb2ac94f
  11. 0xa0dac4420294ca178381670ade9e2e4b44665ab089f2300923a88401edae2378
  12. 0x963d651d919bdd696be66242b0ee6514bbe3c46940834688ade9fad9027b0b2b
  13. 0x080572f8942a728701d6e4c74c76b04c122aa149d1dbdef56feb8ce007a745b1
  14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
  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