Evidence row 785248

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.xynaptic.io/v1/news-us"
    ]
  ],
  "name": "Xynaptic news-us",
  "owner_address": "0x4ff893df9ab8603d5460fbbaee0d9b8c0fa4d5e9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x4ff893dF9aB8603d5460FbbAeE0D9B8c0fa4D5e9",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "Aq6J1zBhga9n6LSAWkosHbYUy3Bp1vC4Z42zZq4iFfed",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:137",
        "payTo": "0x3E39934989D579F5821eED7Ba6A84B72f682F2C6",
        "scheme": "exact"
      }
    ],
    "description": "Xynaptic US News v2 — structured events from the United States (last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Xynaptic US News v2 — structured events from the United States (last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours.",
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "name": "Xynaptic news-us",
          "output": {
            "example": {
              "generated_at": "...",
              "items": [
                {
                  "headline": "...",
                  "source": "...",
                  "topic": "US"
                }
              ],
              "refresh": "every 2 hours",
              "service": "news-us"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792405136/bazaar-icons/a5cf9ed06bec5d79.png",
    "lastUpdated": "2026-10-19T12:18:44.832Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T12:18:43.879Z"
    },
    "resource": "https://api.xynaptic.io/v1/news-us",
    "serviceName": "Xynaptic news-us",
    "tags": [
      "news",
      "media",
      "events",
      "monitoring"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Xynaptic US News v2 — structured events from the United States (last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours."
}

What the leaf hashes

{"body":"fc04fbd9f1b94538b71274fa926480cbe2eb57cea009649cf578664c4e220750","id":785248,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211213856579,"prev":750777,"subject":"x402_bazaar:https://api.xynaptic.io/v1/news-us","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xa44330ea2651f265f90f21f98cb2d9e959f4ad664cdab04494931bd44b9ae09d
2. 0x38f0b4e331f358dfdd0e0c582cfb6ded69f29a50f00193264062adbde950a5dc
3. 0x12798cd5dc3798302922cb15d9cd8153d8cfa7d33a73686a76d14c1a4dc8d524
4. 0xb6a409f97f3693fcb31ed1c7a7f303a22bca31520f4d098f79ed89e3ae936e0e
5. 0xa5372f255e292dbed26b6449dfd3b667dab23f55155dcdfa175432bd1858f03c
6. 0xf2d0008a97f4ee8fec48edb453bd095e48acf07ff91e64078def4efffac1fd4f
7. 0x74537ae90bffcf98ba1881609173a7910a647d945d4429c9a9c3214977e7b706
8. 0x1cd2eeb946e0b88e1fa8ba962700ee7310c8da5497104402df0136a739547409
9. 0x6deef6e966f9fc0df29fc501c10ae075d670e9a4ee07d2528bce2f7403dd83ef
10. 0xbee3158f256798024ebf505beed71ae1d32f12a0f107919106cf9510813a9754
11. 0xa93a1c5082d1ae8f18c5497fc3ea9e0e5d898ffc2c8de701e90563e7abce2e00
12. 0xc76daff8dd433614e4df32053a3c7a221e41f4a1f5313320c4e5f6454368d7df
13. 0xb5454b2881dcf5871db87f595c9d60eba5c4fd664d097bbcb5ca16283b093246
14. 0x518f746edef7675640c92fbe2c056392702ec8f1ebbb6ede597bd5f7c0c5aea1
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae