Evidence row 18269

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://health-api.tail11a58f.ts.net/chaos"
    ]
  ],
  "name": "x402-testbed",
  "owner_address": "0xb92a731c08bf78f5ec87e8b48c74abf685e84029",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb92A731C08bF78f5EC87E8b48C74aBf685e84029",
        "scheme": "exact"
      }
    ],
    "description": "x402 Testbed: GET variant of POST /chaos for probes. Query param: failRate (0-1). Settles payment, then fails with that probability — proves client retry/idempotency.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "failRate": 0.5
            },
            "type": "http"
          },
          "output": {
            "example": {
              "failRate": 0,
              "roll": 0.919,
              "survived": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "failRate": {
                      "description": "Probability (0-1) of injected failure",
                      "type": "number"
                    }
                  },
                  "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": "2026-10-26T06:48:02.902Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T06:48:01.896Z"
    },
    "resource": "https://health-api.tail11a58f.ts.net/chaos",
    "serviceName": "x402-testbed",
    "tags": [
      "x402",
      "testbed",
      "chaos",
      "idempotency"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402 Testbed: GET variant of POST /chaos for probes. Query param: failRate (0-1). Settles payment, then fails with that probability — proves client retry/idempotency."
}

What the leaf hashes

{"body":"052edc6d0f6de050df5ca6a1994f667cfb87cb25c5bbd2292bc04e6040a7e301","id":18269,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025328796733,"prev":null,"subject":"x402_bazaar:https://health-api.tail11a58f.ts.net/chaos","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. 0x96956a6e4f15d2539d2e3efe2d411aa905973f2de796ef252d9ac19d92c95546
2. 0x6f86bceab58100f8dcfc257b0ff96cac45fa1aac9166e5791cf12194cd77fedf
3. 0x12ee681759e002497512c37fc04f2fe7809389bd1cca16a81d415b822b616888
4. 0x28a4ff2dae713a4487b1b62f4bc38af952efc30f3f7695e1311105d138dd93a2
5. 0x2af79d05dbc4a3eac99d7890521f6abd54a2c2ffd790c389941f0cd6210e00a5
6. 0x67bc2036b4e280dc450238f9c6aed8b90aa80cda21ae89e853c662470fd910b3
7. 0x815bf641a21b18a3d6e86640c294cd336cd7a77fd57d2ef9641949a299c0540f
8. 0x1acce44d70729ea55e5b034e6488383cd9afcbd19a1cc44b9077603942a2c5e4
9. 0xf5a8596e0b06bf0d281f6f14eeb529fb7f54a41889b91d6af6b6c872b900323a
10. 0x967f49fc57d75b1bcc96107679bd305f464f936f0049de5f6f3a15dabb50eb78
11. 0xc280b3b9968aa6c4c1d58f1d93bf282873099bba7b119c4ce413c82e165f3330
12. 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae