Evidence row 69351

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.thetruthpal.com/v1/verify"
    ]
  ],
  "name": "TruthPal",
  "owner_address": "0xc33d5a8f0372b806167cd4a52fffb230d52fdcf0",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc33D5a8f0372B806167Cd4A52fffb230d52FDcf0",
        "scheme": "exact"
      }
    ],
    "description": "Check whether a supplied public source supports or contradicts a factual claim. Validate citations in AI-generated answers against the supplied URL. TruthPal returns source-grounded evidence and a supported, contradicted, or uncertain verdict; when the source is insufficient, the result is uncertain. It assesses only the supplied source and does not independently corroborate the claim.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "claim": "The Moon formed several billion years ago",
              "source_url": "https://science.nasa.gov/moon/facts/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "confidence": 0.94,
              "contradicting_evidence": [],
              "evidence": [
                "The source states that the Moon formed about 4.5 billion years ago."
              ],
              "reasoning": "The source directly supports the claim that the Moon formed several billion years ago.",
              "source_freshness": "current",
              "supporting_evidence": [
                "The source states that the Moon formed about 4.5 billion years ago."
              ],
              "verdict": "supported"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "claim": {
                      "description": "The factual claim to evaluate. Leading and trailing whitespace is trimmed before validation.",
                      "maxLength": 2000,
                      "minLength": 5,
                      "type": "string"
                    },
                    "source_url": {
                      "description": "The credential-free public HTTP or HTTPS source containing the evidence to evaluate.",
                      "format": "uri",
                      "maxLength": 2048,
                      "pattern": "^[Hh][Tt][Tt][Pp][Ss]?://",
                      "type": "string"
                    }
                  },
                  "required": [
                    "claim",
                    "source_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": {
                    "confidence": {
                      "maximum": 1,
                      "minimum": 0,
                      "type": "number"
                    },
                    "contradicting_evidence": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "evidence": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "reasoning": {
                      "type": "string"
                    },
                    "source_freshness": {
                      "enum": [
                        "current",
                        "dated",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "supporting_evidence": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "verdict": {
                      "enum": [
                        "supported",
                        "contradicted",
                        "uncertain"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "verdict",
                    "confidence",
                    "evidence",
                    "supporting_evidence",
                    "contradicting_evidence",
                    "reasoning",
                    "source_freshness"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T23:03:59.667Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-23T23:03:59.289Z"
    },
    "resource": "https://api.thetruthpal.com/v1/verify",
    "serviceName": "TruthPal",
    "tags": [
      "Source verification",
      "Citation checking",
      "Evidence verification",
      "Fact checking",
      "Claim verification"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check whether a supplied public source supports or contradicts a factual claim. Validate citations in AI-generated answers against the supplied URL. TruthPal returns source-grounded evidence and a supported, contradicted, or uncertain verdict; when the source is insufficient, the result is uncertain. It assesses only the supplied source and does not independently corroborate the claim."
}

What the leaf hashes

{"body":"cfc53cc858f79552eba0e166782ba425688da244acb8fe1a0974c7644ea27194","id":69351,"kind":"listing","method":"baseline/1","observed_us":1793025478004056,"prev":null,"subject":"x402_bazaar:https://api.thetruthpal.com/v1/verify","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x6d9650396b0053c2f847233b051616df4875f3136927c7670259e57ee7d65c7b
2. 0xed532d003ac57713a44c7c23adf2e80afc8916387f1030a2d3635f495ccee1c6
3. 0x3e5d038fc11cafad78fd212ce0faba6f362b4e0063d2c63acec923c0f92e2ada
4. 0x9a0b1eb93d1a1a7519921adc85d0a2e3f64ab8454420ff2f22cd0563a7821cac
5. 0x634394f72e5c47276acaa804625e6ad10d6eb4cbdfd8f062a984d8d689870800
6. 0x62908bf1fb863938c4bfd17c9f6dd4bd208e584f5dbd8e52b7eaa25be468587c
7. 0xc452373d5a8c78cd258d1eb00f64f6bf031db11f4cdee68c73f84d5ccb6da47c
8. 0x3814b89bae187190e3aa41ff413def11c856f4d5be88b2183bc78ef2d85ebcc3
9. 0x187cd02fc25d83259144a0d1b67cedaf83d9da8a9bc14e7630ca58c5be1f6be9
10. 0xd436881f2f0c7eba4a0a8b847ff798d53394f793d9cffd7bdf04f6a3d5c2f8be
11. 0x82b0a13483194285c0c386d5ad47eb953493b28955a9a8e58da3a2e6e220ed30
12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae