Evidence row 125776

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.apidirect.io/v1/news/articles"
    ]
  ],
  "name": "API Direct",
  "owner_address": "0x5d07cc2a0fb4eb123a525ca0b51cf6fb485014fc",
  "raw": {
    "accepts": [
      {
        "amount": "9000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 900,
        "network": "eip155:8453",
        "payTo": "0x5d07Cc2a0FB4Eb123A525CA0b51cf6fB485014fc",
        "scheme": "exact"
      },
      {
        "amount": "9000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x64cC42B1cE598e3aBcfBB64Df4688521DDBf1f0A",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 900,
        "network": "eip155:8453",
        "payTo": "0x5d07Cc2a0FB4Eb123A525CA0b51cf6fB485014fc",
        "scheme": "upto"
      }
    ],
    "description": "Search for news articles from worldwide sources by keyword.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "us",
              "language": "en",
              "limit": 10,
              "query": "artificial intelligence",
              "time_published": "1d"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "country": {
                      "default": "us",
                      "description": "2-letter ISO 3166-1 alpha-2 country code (e.g., us, gb, de, jp). Must be exactly 2 letters.",
                      "maxLength": 2,
                      "minLength": 2,
                      "type": "string"
                    },
                    "language": {
                      "default": "en",
                      "description": "2-letter ISO 639-1 language code (e.g., en, es, fr, de, ja). Must be exactly 2 letters.",
                      "maxLength": 2,
                      "minLength": 2,
                      "type": "string"
                    },
                    "limit": {
                      "default": 10,
                      "description": "Maximum number of results to return (1-100). Fewer may come back; the response count field reports how many articles were returned.",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "query": {
                      "description": "Search query (max 500 characters, cannot be blank)",
                      "maxLength": 500,
                      "type": "string"
                    },
                    "source": {
                      "description": "Filter by news source domain (e.g., bbc.com, reuters.com, cnn.com)",
                      "type": "string"
                    },
                    "time_published": {
                      "default": "anytime",
                      "description": "Filter by publication time: anytime, 1h, 1d, 7d, or 1y",
                      "enum": [
                        "anytime",
                        "1h",
                        "1d",
                        "7d",
                        "1y"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {
        "info": {
          "description": "The facilitator accepts EIP-2612 gasless Permit to Permit2 canonical contract.",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "amount": {
              "description": "The amount to approve (uint256).",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "asset": {
              "description": "The address of the ERC-20 token contract.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "deadline": {
              "description": "The timestamp at which the signature expires.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "from": {
              "description": "The address of the sender.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "nonce": {
              "description": "The current EIP-2612 nonce of the sender.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "signature": {
              "description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "description": "The address of the spender (Canonical Permit2).",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "version": {
              "description": "Schema version identifier.",
              "pattern": "^[0-9]+(\\.[0-9]+)*$",
              "type": "string"
            }
          },
          "required": [
            "from",
            "asset",
            "spender",
            "amount",
            "nonce",
            "deadline",
            "signature",
            "version"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792917947/bazaar-icons/9c187cd7bdaa9439.png",
    "lastUpdated": "2026-10-25T12:21:24.739Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T12:21:24.618Z"
    },
    "resource": "https://x402.apidirect.io/v1/news/articles",
    "serviceName": "API Direct",
    "tags": [
      "News"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search for news articles from worldwide sources by keyword."
}

What the leaf hashes

{"body":"ed74d910b079fe4b72a363969079b0943d320790be2e3b715cb59153bc2ddaa6","id":125776,"kind":"listing","method":"baseline/1","observed_us":1793025626700376,"prev":null,"subject":"x402_bazaar:https://x402.apidirect.io/v1/news/articles","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. 0x7418072cc79747ba5ce603708ac8d54b9851f6292aa6914cfbef301fc9fd4c63
2. 0xeb4a9842caf08b0e70448e52c3c728b82df4be70635a5331ea6044ec5d678a55
3. 0x250777835054d0b29fcf037cee4389ff2619ca0ed9964009c8eaab04bb161b29
4. 0x63f70aca43cb570597421cf40202cf982c6026789beaad9bbee0d972cbc48ca2
5. 0x929d3d275012e31a0f9f98743bd27df3828780e02e40ef290c6f3aba4cb9aa07
6. 0x19d011c4fb93e54865723dcae7f2b596cc67562ef6666b95881cec1a809062dd
7. 0xe3792670120d0575ee33bc38369fbe9dea0adea76079820fa3736fd4a8530d07
8. 0x68ee69a09183eaaef73a98a2ae30724a36c3223f83451d8086369e8483bcdeb0
9. 0x5e4bebbaa53792392b5802563be0d83eabf1737db429041ee64a520576a37254
10. 0xe7a9c6724a437c9a1fa4cdc48c7f0de9a8d253a4be67ec315658101040ef40d6
11. 0x9adfaac1e332051e6999b9b702c6d539c2d639f94fd57735f2ddd441a4b5230c
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae