Evidence row 2631367

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.supremeai.ca/v1/health-check"
    ]
  ],
  "name": "supremeai",
  "owner_address": "0xb65c6f9187195f4f9215b285d67d798b0162ca31",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb65c6F9187195f4f9215b285d67D798b0162cA31",
        "scheme": "exact"
      }
    ],
    "description": "Probe a public HTTP(S) URL and report availability: up/down, HTTP status, and latency in ms. Use it to check whether another paid API or x402 service is alive before spending money calling it. Public internet targets only.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "latency_ms": 42,
              "status": 200,
              "up": true,
              "url": "https://example.com"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "url": {
                      "description": "absolute http(s) URL",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "error": {
                      "type": "string"
                    },
                    "latency_ms": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "status": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "up": {
                      "type": "boolean"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T01:19:18.16Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-30T01:19:17.917Z"
    },
    "resource": "https://agents.supremeai.ca/v1/health-check",
    "serviceName": "supremeai",
    "tags": [
      "monitoring",
      "uptime",
      "agent-ops",
      "health"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Probe a public HTTP(S) URL and report availability: up/down, HTTP status, and latency in ms. Use it to check whether another paid API or x402 service is alive before spending money calling it. Public internet targets only."
}

What the leaf hashes

{"body":"3f174b5c95e8b1898dd86fc525b099ceab7fbf90de7c516ddba580c03e8e29ff","id":2631367,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734343956627,"prev":1262221,"subject":"x402_bazaar:https://agents.supremeai.ca/v1/health-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x077cec50f1a78e02d88ba1f59b5b52fa91426dfe4cb9e1c2119655a3b7398473
2. 0x8985168131098f0df741d25a259b3e7a5b8a62d39e9242a1b08170201f47acfb
3. 0x8cddc130dca1c98085aeb39a9d4813edb62da82e4815805f23f9fe43e56d99b1
4. 0x6345fb6c398819efbc49fa1a28585d87b03628cb882cd32cde50f2985ff9e03c
5. 0x589ffde8d0a9a97d4feb97403150f621f068889be54dcf4c36f37082e176bf4c
6. 0x46f846a9d81d9abc1ec89db4fd008666d542ad53b19347a9274371c2b54b2303
7. 0x8ea870e4aeea7709ea7cfba9ffa21ff6d155ebf752a967345c5085fab79fd0df
8. 0x646cccfcfe62d68d3f79529ede0635274ac56151bffd284add479b24c1300f38
9. 0xcf0bf0b0cfe59b4b5abd7fbf427feb68ae49f151d3afb8bb7d1f3d0febc93b0d
10. 0x741020a3f425af807542c06a6ce75c1c2d2210b8558f490c67e8946b8ef60e4a
11. 0xa005443ddad7064f9f6b30b4de84dad237a6d82172e611bb9c3f13129cb8b32a
12. 0xaca26b4858c092fa669d65992083ad40aad05d636d4c6901ba18a08d12754f74
13. 0x394e8598ae2af6d79de9c7634464932da90d62d762702fa202424a45582a05df
14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7