Evidence row 72576

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://compute-api-production-245d.up.railway.app/chain-status"
    ]
  ],
  "name": "compute-api-production-245d.up.railway.app/chain-status",
  "owner_address": "0xb5093b19a6cf2e5135b212074521d1734adad959",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb5093b19A6cf2e5135B212074521d1734ADad959",
        "scheme": "exact"
      }
    ],
    "description": "Check if Base chain is healthy. Returns latest block number",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "base",
              "healthy": true,
              "latest_block": 12345
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-25T15:23:21.498Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T15:23:21.301Z"
    },
    "resource": "https://compute-api-production-245d.up.railway.app/chain-status",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check if Base chain is healthy. Returns latest block number"
}

What the leaf hashes

{"body":"11d54c4fb396077b2c3bbfbfdecaa8067cd5dfcf114999ecba7c511d7f80df31","id":72576,"kind":"listing","method":"baseline/1","observed_us":1793025486239253,"prev":null,"subject":"x402_bazaar:https://compute-api-production-245d.up.railway.app/chain-status","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. 0xde9730e879c8b842418876396211a191f23da6f350b863d98dab3e3db16b692d
2. 0x0700e61e45243577bcf31d69bb71d5192b3d12891b73f81bf87504c2ce982607
3. 0xe54648902acb78a7ac11a1ac081a04fa41f7928112e975eca7ede7f4cb7a0f10
4. 0xfa74fdeef054e742e9a96ca0c0b61bfdece90f8d7123b69d6085036d044da563
5. 0xb18d2f8f5f6f0aa90562d85bbe7706a35ece8ed72ac64edca5d00724297b188d
6. 0x06489dfa3d4ed834037d9d56c4b1119ad768aaae8ca76d70a1d759393a1a3c87
7. 0x3d33bfb9854f71565f9fe21b526cbdc4614dd428fba289825587f558bdeb17ee
8. 0x757e526adc0b308308ab9fde72bab69aa5b55b11fdc3e464468fba2b00dc679e
9. 0x2bc41f13504c19317647962a7052e2c4cd117e054f8200d40e2cb10c7dcdd838
10. 0x2d9d6462afc5b1463c70c3ad7bab0bbd60dd232ca8386916ee54414b71a3db6e
11. 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
12. 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae