Evidence row 18767

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentsvc.io/api/v1/proxy/citation-check"
    ]
  ],
  "name": "Citation and Retraction Check",
  "owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      }
    ],
    "description": "Verify references before you publish or rely on them: up to 10 citations per call, as reference strings in any style, DOIs, or {title, authors, year, doi}. For each: status verified, mismatch (the work exists but authors, year or DOI are wrong, e.g. a real DOI that points to a different paper), uncertain or not_found (likely invented), the matched record with authors, year, venue, DOI and open-access link, the corrected issues, an APA-formatted reference, and a retraction flag with the notice…",
    "extensions": {
      "bazaar": {
        "category": "text",
        "info": {
          "input": {
            "body": {
              "citations": [
                "Kahneman D, Tversky A. Prospect theory: An analysis of decision under risk. Econometrica 1979.",
                "Wakefield AJ et al. Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in children. Lancet 1998.",
                "doi:10.9999/fake.2020.12345"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {},
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "authors": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "citations": {
                      "anyOf": [
                        {
                          "items": {
                            "anyOf": [
                              {
                                "maxLength": 1000,
                                "type": "string"
                              },
                              {
                                "properties": {
                                  "authors": {
                                    "items": {
                                      "type": "string"
                                    },
                                    "type": "array"
                                  },
                                  "doi": {
                                    "type": "string"
                                  },
                                  "title": {
                                    "type": "string"
                                  },
                                  "venue": {
                                    "type": "string"
                                  },
                                  "year": {
                                    "type": "integer"
                                  }
                                },
                                "type": "object"
                              }
                            ]
                          },
                          "maxItems": 10,
                          "minItems": 1,
                          "type": "array"
                        },
                        {
                          "maxLength": 10000,
                          "type": "string"
                        }
                      ],
                      "description": "1 to 10 references: strings, or {title, authors, year, doi}; or one string with one reference per line"
                    },
                    "doi": {
                      "description": "Single DOI (alternative to citations)",
                      "type": "string"
                    },
                    "title": {
                      "description": "Single title (alternative to citations), optionally with authors and year",
                      "type": "string"
                    },
                    "year": {
                      "type": "integer"
                    }
                  },
                  "required": []
                },
                "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"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "properties": {
                        "checked_at": {
                          "type": "string"
                        },
                        "citations": {
                          "type": "array"
                        },
                        "sources": {
                          "type": "string"
                        },
                        "summary": {
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "success": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "success",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "citation-verification",
          "hallucination-check",
          "retraction-check",
          "reference-check",
          "doi-lookup",
          "citation-check",
          "reference-verification",
          "doi",
          "research"
        ]
      },
      "builder-code": {
        "info": {
          "a": "bc_q6wi3opd"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
    "lastUpdated": "2026-10-26T04:09:26.442Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T04:09:26.244Z"
    },
    "resource": "https://agentsvc.io/api/v1/proxy/citation-check",
    "serviceName": "Citation and Retraction Check",
    "tags": [
      "citation-verification",
      "hallucination-check",
      "retraction-check",
      "reference-check",
      "doi-lookup"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verify references before you publish or rely on them: up to 10 citations per call, as reference strings in any style, DOIs, or {title, authors, year, doi}. For each: status verified, mismatch (the work exists but authors, year or DOI are wrong, e.g. a real DOI that points to a different paper), uncertain or not_found (likely invented), the matched record with authors, year, venue, DOI and open-access link, the corrected issues, an APA-formatted reference, and a retraction flag with the notice…"
}

What the leaf hashes

{"body":"7223ad6d69fee9b0f9059865e687f16afc80deda6ef803372227b9c33a4dc157","id":18767,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025330604676,"prev":null,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/citation-check","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. 0x2cdb5e36f9ad4c05d9e1b8f582a45c52264ab38d8304fa0d1df48bae74107a9e
2. 0xeb7f7ee777e09579d050157dab1cef32a00dc003f7cd445d4f2333e0fc7669f3
3. 0x98d0e79907ef0f76d49b93efbdbbe8b79322746efb991ab049812cdd150d209e
4. 0x917e2a7826d4ea3f55c7d1a65078679735f5a0a3c30667ed8fef7a2995410aa7
5. 0x01057843e3ec24f04cecf2e51022a59d25debd255bb63df14459cf957030252f
6. 0x7cdfae8d97978c6ff612e02315a82e4778caebd1af90ed00a6fa568a01a757c4
7. 0xb271e0ef8e85d8b895a449bc8e7164d323535824f58b319f8c75ba9c15dd1f41
8. 0x1b4598c5c02152e85cfd036173bf79b8ec0a69535b29d3c507de7d2b94154bb7
9. 0x39cf12493c25bd9e76484bc5beae16c8e1ce53107efd9ba3a98a8a4e59d2d502
10. 0x92ae512ac303ebf33e234dd8900de38bc100cacd7e3e6d4585dab96308c421ca
11. 0x9f7d3cc11f13fc54c5221c4babc2273f69d77c4b805c79df41df74cfb0975d6c
12. 0xf89d9951e0a8e08b9cf11177a1f4e0fd86d9facc5dfecaabbfe564675ebefef7
13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae