Evidence row 1810156

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent.halowerk.com/v1/server-time"
    ]
  ],
  "name": "agent.halowerk.com/v1/server-time",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Returns the AX42 system clock as ISO UTC and Unix seconds/milliseconds. A clock observation, not a trusted timestamp authority or latency guarantee.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {},
                  "required": [],
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T14:29:35.868Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T14:29:35.676Z"
    },
    "resource": "https://agent.halowerk.com/v1/server-time",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns the AX42 system clock as ISO UTC and Unix seconds/milliseconds. A clock observation, not a trusted timestamp authority or latency guarantee."
}

What the leaf hashes

{"body":"fe517263735666121164936ac301e0f1515fb284c935b06719ecc24f8a77a3f9","id":1810156,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560285482294,"prev":null,"subject":"x402_bazaar:https://agent.halowerk.com/v1/server-time","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x866712448ada8b03f62899cec1337bd20b2dea8d2f30813d27986e01c7dc3643
2. 0x4263084e655a771245c6c46058dfca64ff9f54ac0484bac57b017fa5fe0d0568
3. 0x76b77cb45cf842d116cbf9d3337671a158b6f39b2e508084ee88e6c5b2f7dfd2
4. 0x987ec262bee0405f95f5432945719520938c24d8b96d78769caf66bf4cd48204
5. 0x916e5fb8ed39af9efdb0f611147172ffe3fb05fda2e838efea89daa3a6bdac25
6. 0x1cb8f0c0283e0534eba7a072dffd9c7880063730b605e862dc5b7d1bce75647d
7. 0xb90c2d0f4aec27784053b3e6f31fa8deae9242baeb8219709f6c13d3cfbb5832
8. 0xdc6a7e47d3aaa6e653f4519dc1374f7d7fc731536a9b21e9dca744cf8da54f61
9. 0xe8e524fdbc82fddbac03b9a3a2f38c3962c5be34660d5e10c7d009067e36d32d
10. 0x514896f1d3c5cfa26ff09edd4ec920dd01255346d0ddd70b01a02bdbb02cb92b
11. 0x3c14145c3894906e29e4eda7f9a76ba0b93a992ec6b20ba7ee2bdf2b67913a30
12. 0x66bc00f0a69d348ec6c3a03e69e80113b1cb2fa1bbb15da1262f59e0be2e416f
13. 0x23a4dc987ee7dc4c8a8ce447e3eb85e80166e6855921cf4fe20a6b0da70c4d2a
14. 0x12d005bd5bab52a5295a7639e02ffa6fa98b5e18753f0f4638b668903af24ab7
15. 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90