Evidence row 64335

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aialign.halowerk.com/v1/hallucination-rate"
    ]
  ],
  "name": "aialign.halowerk.com/v1/hallucination-rate",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Tokenizes each claim and its supplied evidence, removes a small declared English stop-word list, and reports the fraction of unique claim tokens present in evidence. Coverage below a supplied threshold is flagged. This is lexical grounding screening only: overlap does not prove truth, low overlap does not prove hallucination, and the service does not retrieve or validate evidence.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "claims": [
                {
                  "claim_id": "claim-1",
                  "claim_text": "The turbine generated 42 megawatt hours in August.",
                  "evidence_texts": [
                    "The August meter record reports turbine output of 42 megawatt hours."
                  ]
                },
                {
                  "claim_id": "claim-2",
                  "claim_text": "The turbine had zero maintenance downtime.",
                  "evidence_texts": [
                    "The August meter record reports turbine output of 42 megawatt hours."
                  ]
                }
              ],
              "minimum_coverage_fraction": 0.6
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "claims": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "claim_id": {
                            "maxLength": 128,
                            "minLength": 1,
                            "type": "string"
                          },
                          "claim_text": {
                            "maxLength": 20000,
                            "minLength": 1,
                            "type": "string"
                          },
                          "evidence_texts": {
                            "items": {
                              "maxLength": 50000,
                              "minLength": 1,
                              "type": "string"
                            },
                            "maxItems": 100,
                            "minItems": 1,
                            "type": "array"
                          }
                        },
                        "required": [
                          "claim_id",
                          "claim_text",
                          "evidence_texts"
                        ],
                        "type": "object"
                      },
                      "maxItems": 5000,
                      "minItems": 1,
                      "type": "array"
                    },
                    "minimum_coverage_fraction": {
                      "maximum": 1,
                      "minimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "claims",
                    "minimum_coverage_fraction"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:33.143Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:13:32.727Z"
    },
    "resource": "https://aialign.halowerk.com/v1/hallucination-rate",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Tokenizes each claim and its supplied evidence, removes a small declared English stop-word list, and reports the fraction of unique claim tokens present in evidence. Coverage below a supplied threshold is flagged. This is lexical grounding screening only: overlap does not prove truth, low overlap does not prove hallucination, and the service does not retrieve or validate evidence."
}

What the leaf hashes

{"body":"9557d5e5ff3701c0b8ab5789cfa4ebb79bb9b88ee657e5a7e3da80b2f13c349c","id":64335,"kind":"listing","method":"baseline/1","observed_us":1793025456482996,"prev":null,"subject":"x402_bazaar:https://aialign.halowerk.com/v1/hallucination-rate","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. 0xf852abbcad4dceade01818fc65a86f5b276dc03c67a4f58eae0844759ff66485
2. 0x0c2263af1baf2b480c2495c7a4f2a11393a8d128dce16f9d864d25f46ecc7d76
3. 0xc50e87e0c59340fb3f6140f17c423510104bde834247ad90d64617a220b5b081
4. 0x743d982183e95f8b4f30531452cc5a5ccfed3c2634e124f09abd1346eea10131
5. 0x9df0b0fa11fe0cafc6f8ab77bd7231b16b530f5e8b1562192bca5c575cedea62
6. 0x7e18035ab09884b9e7c07ad3dabcae1cc626f4887e829d1d7dc43ba6b67b0698
7. 0x16095a10915e2832010eec0684255c5bc54d30f3fc2e02b3d0a2466a586c8495
8. 0x4d4931bf7c4e1af4fc887d2beb2661564bd063e4b5c2cca85b41a721cc6e1775
9. 0x87a81a686d43cfabc03a9020ff0bb4bd6b8378c6aa3b015f8c7c116eaca932f7
10. 0x0eea714eaa5097f3236c62c5eab0dbd64a4b080a83c9a924990a89ae274e7c4e
11. 0x0836eb686ada9beddba0f76357ec59493359d2a7c51aa5c4a31d3cfe9873ea74
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae