Evidence row 70262

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402agentic.ai/spend-guard"
    ]
  ],
  "name": "api.x402agentic.ai/spend-guard",
  "owner_address": "0xc23c4afa42cbabbc03d04bc87ecb769fc82f1f43",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc23C4aFA42cbaBbc03D04Bc87ecB769Fc82F1f43",
        "scheme": "exact"
      }
    ],
    "description": "Per-agent budget enforcement — track an agent's cumulative spend against a cap and block overspend. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "agentId": "agent-123",
              "amountUsd": 0.25,
              "budgetUsd": 10
            },
            "type": "http"
          },
          "output": {
            "example": {
              "agentId": "agent-123",
              "allowed": true,
              "amountUsd": 0.25,
              "budgetUsd": 10,
              "recorded": true,
              "remainingUsd": 9.75,
              "spentUsd": 0.25,
              "verdict": "allow"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "agentId": {
                      "description": "Stable identifier for the spending agent",
                      "type": "string"
                    },
                    "amountUsd": {
                      "description": "Amount about to be spent (USD)",
                      "type": "number"
                    },
                    "budgetUsd": {
                      "description": "Optional: set/raise this agent's budget (USD)",
                      "type": "number"
                    }
                  },
                  "required": [
                    "agentId"
                  ],
                  "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": "2026-10-22T21:40:23.801Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-22T21:40:23.212Z"
    },
    "resource": "https://api.x402agentic.ai/spend-guard",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Per-agent budget enforcement — track an agent's cumulative spend against a cap and block overspend. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC."
}

What the leaf hashes

{"body":"0941055dc61e34fd330b9d9225d6362ae5bfa8c9dd41aad86a05ca063ca2d135","id":70262,"kind":"listing","method":"baseline/1","observed_us":1793025480097192,"prev":null,"subject":"x402_bazaar:https://api.x402agentic.ai/spend-guard","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. 0x98d25ffe817b70e015c6e98b81624f4f782047eb7300c722e5fb23dd230849b9
2. 0xfdac12dd4f082bd80b7f0a0c99eb893ab123e7a79c66251927e8486e1e321b64
3. 0x400ff5aae449bca416e134831386c1345910375f94bdb950da2a5705b09f8ac3
4. 0xe9de8cb87e333a8dd4a28465b68f48c408a4ea3b7f480851d390e6d8d18d0a3d
5. 0x74f8db6d0699206b1168c6fd24946ca187281872c8811c64abbc916da19afae4
6. 0x6ee2c960740528fefb624e2d84dd834cbf7015296a920b7ea9ea49195e0c2b8d
7. 0xcc3137df302498e8600ac13e21c52a1ba517c05abe230ec962587513e7f8eba8
8. 0xa68df34b1f6ee294ebcf8d2ceab1b6b0ae0ce16ef180ab22a0354d40e8542951
9. 0x5ebed75ca678129fe62392901b6d67c57f4dace48f5a0ab017ff64af5a40a159
10. 0x2b4f513a842f0518600372c41655e79b425e107967347efd041a1f46774282f2
11. 0xd3f19437d703373e99e0bf69c4ca06561426260f599f7d259e3257085a387573
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae