Evidence row 750459

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.xynaptic.io/v1/news-russia"
    ]
  ],
  "name": "Xynaptic news-russia",
  "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 Russia News v2 — structured events (politics, economy, Ukraine war, last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Xynaptic Russia News v2 — structured events (politics, economy, Ukraine war, 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-russia",
          "output": {
            "example": {
              "generated_at": "...",
              "items": [
                {
                  "headline": "...",
                  "source": "...",
                  "topic": "Russia"
                }
              ],
              "refresh": "every 2 hours",
              "service": "news-russia"
            },
            "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": "2026-10-20T17:27:10.811Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-20T17:27:09.408Z"
    },
    "resource": "https://api.xynaptic.io/v1/news-russia",
    "serviceName": "Xynaptic news-russia",
    "tags": [
      "news",
      "media",
      "events",
      "monitoring"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Xynaptic Russia News v2 — structured events (politics, economy, Ukraine war, last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours."
}

What the leaf hashes

{"body":"40d6e69ceb36578990f75d037d20040c6efe3cd74d87256a7862408e54a3ca56","id":750459,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178680710858,"prev":70762,"subject":"x402_bazaar:https://api.xynaptic.io/v1/news-russia","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. 0x892a119fbd62b5a30b95620c8357d011bdeb3b2a92843c1a5fad21d30b6daac4
2. 0xa2f464cae95ca55c57a35c62771e309edfade43fe0cc439fb4a3227dcaaad81b
3. 0x626b94cb8886942a5f3c09de1aa68d6d345c2d9d9a056aa17d1c5ec9e9dcd14b
4. 0x4176bc1ad9b0e71da3d047c358a23fca5acc73def6bcc74d6163c43d5f3e8fda
5. 0xb9ad496afcae47c2de71840818e302c74d3d1537e079006f95c7d536d667fca5
6. 0x2e09c78757b2450c383c5768a9791894955ae93b1b47f2c853abf42032176aa8
7. 0x66b630133c2665ea3e035380f6caf620988bd2db4d489011333f23d4ffcc4b67
8. 0xfdd217f189f69cb9f507ad6426fbcc07a51a04cde754e032b09a6428e439865d
9. 0xdd0491308508adb30929816eb4ebd8f0d85e1e604734fb1ecf7f89feaee96029
10. 0xaa34ae9142b313b2965b000f17356b8a64a92cdc0b3294e7d57d179711c97cda
11. 0xe857fd3fd38e61e33f26da058ec049b406b1041756dfa3de8d8709036ff89f8b
12. 0x1810cd44ebfe5f26ef4925cdfbe26287c4f9dbf1cd3343ea6968181a15656337
13. 0x73b20f1c980fc42d6a2767acddce2cb41764e0b54fa3342f0dc75bd609f6023e
14. 0x115e196b75a0422533397227b51b9c807591ec2574919c03800bb0d253f110e8
15. 0xe2f9c120d14f36fdddf9b4e605c5d0b8a13b835e2380472255dc22e14b93e84e
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae