Evidence row 2251584

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://detect.halowerk.com/v1/css/css-math-dimensional-algebra"
    ]
  ],
  "name": "detect.halowerk.com/v1/css/css-math-dimensional-algebra",
  "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": "An agent that transfers closed declared CSS math needs additive type compatibility and product or quotient dimensional cancellation checked before it uses those expressions.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billable": true,
              "findings": [
                {
                  "confidence": 85,
                  "evidence": [
                    {
                      "page_indices": [],
                      "page_url": null,
                      "pattern": "css-math-dimensional-algebra_scoped_evidence",
                      "type": "raw_html"
                    }
                  ],
                  "id": "css-math-dimensional-algebra",
                  "limits": [
                    "Complete original RAM HTML only; no new fetch, browser execution, cascade, computed layout, interaction, visibility or rendering is asserted.",
                    "Outputs contain counts and booleans only; all text, values, identifiers, contact data and resource URLs remain private.",
                    "Closed calc/min/max/clamp syntax is checked by unit-dimension exponent algebra. Equal dimensions add; multiplication adds exponents, division subtracts them; only scalar or single unit-power-one root types are representable. Algebraic zero cancellation does not repair adding incompatible dimensions.",
                    "This is expression typing only, including math text in custom properties, not property-value validity, numerical evaluation, cascade or computed values. Percentage-context dependence, var/env/attr, unsupported functions/units, stylesheet nesting and unresolved token streams remain unknown. Complete local HTML with no math declaration can establish absence."
                  ],
                  "module": "css-math-dimensional-algebra",
                  "module_cpu_ms": 0,
                  "state": "observed",
                  "value": {
                    "closed_representable_typed_expressions": 0,
                    "declared_outer_math_expressions": 1,
                    "dimensioned_root_expressions": 0,
                    "dimensionless_root_expressions": 0,
                    "expressions_with_dimensional_cancellation": 0,
                    "incompatible_additive_or_grammar_expressions": 1,
                    "non_representable_root_dimension_expressions": 0
                  },
                  "warnings": []
                }
              ],
              "known_count": 1,
              "scope": {
                "at": "2026-10-14T00:00:00.000Z",
                "contact_values_returned": false,
                "pages": 1,
                "rendered": false,
                "requests": 0
              },
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "market": {
                      "enum": [
                        "DACH",
                        "US"
                      ],
                      "type": "string"
                    },
                    "trade": {
                      "enum": [
                        "shk"
                      ],
                      "type": "string"
                    },
                    "url": {
                      "description": "Homepage origin only, with root path and no query or fragment.",
                      "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T15:55:44.969Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T15:55:44.767Z"
    },
    "resource": "https://detect.halowerk.com/v1/css/css-math-dimensional-algebra",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "An agent that transfers closed declared CSS math needs additive type compatibility and product or quotient dimensional cancellation checked before it uses those expressions."
}

What the leaf hashes

{"body":"5955904e11a83d2c5b794759002caab245b3d1cba22c76cbd05c408a0e9b67d2","id":2251584,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647818873809,"prev":null,"subject":"x402_bazaar:https://detect.halowerk.com/v1/css/css-math-dimensional-algebra","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. 0x784522626a23c6cd91e9d8dae2033b9e9b4aceedaa51b1a9edc2f78c0d5a454f
2. 0xf55d08e0487db910cbea5d3539591cf958c437f14632fe44095ed37cdef60185
3. 0x9f9183a4ca70628e94a51dab57d2b4b16585bd995cfd5c1744281b5c2a843c99
4. 0xde185850ee4729e4276019234d9497b82304759e8f014f1352a7d20c5cfe82ff
5. 0x363cd9081c04ae727af598cea65324519daaabddde5b201394a5ad6d1d619874
6. 0x4ee79b5f10a928688600a35d40abfff0086400c79724b81764399d752ef93174
7. 0x2a5ec554e936d115da1dc89a6c29be44a540f8d2a5f9a108bd7a9a3eab1abd6b
8. 0xb3411f8c00c487c48dedfaea3b95f6bd380b544c406f0d4b3501ccb2f02777de
9. 0x71ca0ce0bad3aef8bd1a85209f0fb9c4324384e5fa981092d24448cf3e74b84c
10. 0x8072f539a870444fd59176b61be07bc2a8972aa27dc0ab165527f02c6f0523e0
11. 0x2f7145aa4c4586f7e87ee7c69e62058d78804cbf6443b01273b4f902d3df5138
12. 0x6a5525c1d945ed75b00811393657c28cf06b7a9f2c841743bc74d1568a7e6799
13. 0x6b3fe16d0ef17e7fec65e784ea66cb7142a8765f3978756ef310ba9d8f928afc
14. 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af