Evidence row 1508008

Observed 31 Oct 2026, 18:51 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/portfolio
Recorded: 31 Oct 2026, 18:51 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 85fd01426e52d6e6f32c662cfcdb509471c1f1802441b82968442769fa3aa5ee
Leaf: 0x2085cb2a414089995d67090dff72e2476a73bfc751af82044e03a19f05a2b8bf

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/portfolio"
    ]
  ],
  "name": "x402 Agent Hub",
  "owner_address": "0x1721e9841257a34dbdba407d4dba3a727a02d072",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1721E9841257A34DbDBA407D4DBA3a727a02d072",
        "scheme": "exact"
      }
    ],
    "description": "One call returns an address's native coin, USDC and USDT balances on Base, Ethereum, Arbitrum, Optimism, Polygon, BSC and Avalanche (or a 'chains' subset), plus a total stablecoin USD figure, instead of 21 separate reads. Chains whose RPC fails are listed in chainsFailed. You only pay for successful reads: invalid input, not-found and upstream errors cancel settlement.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x1721E9841257A34DbDBA407D4DBA3a727a02d072",
              "chains": "base,ethereum,arbitrum"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x1721E9841257A34DbDBA407D4DBA3a727a02d072",
              "balances": [
                {
                  "chain": "base",
                  "chainId": 8453,
                  "native": {
                    "decimals": 18,
                    "formatted": "0.00125",
                    "raw": "1250000000000000",
                    "symbol": "ETH"
                  },
                  "stablecoins": [
                    {
                      "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                      "decimals": 6,
                      "formatted": "12.5",
                      "raw": "12500000",
                      "symbol": "USDC"
                    }
                  ]
                }
              ],
              "chainsFailed": [],
              "chainsQueried": [
                "base",
                "ethereum",
                "arbitrum"
              ],
              "totals": {
                "stablecoinUsd": 12.5
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "0x-prefixed wallet or contract address.",
                      "type": "string"
                    },
                    "chains": {
                      "description": "Optional comma-separated subset, e.g. base,arbitrum. Defaults to all 7 chains.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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": "2026-10-31T09:06:40.586Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T09:06:40.491Z"
    },
    "resource": "https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/portfolio",
    "serviceName": "x402 Agent Hub",
    "tags": [
      "onchain",
      "portfolio",
      "multichain",
      "usdc",
      "stablecoin"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One call returns an address's native coin, USDC and USDT balances on Base, Ethereum, Arbitrum, Optimism, Polygon, BSC and Avalanche (or a 'chains' subset), plus a total stablecoin USD figure, instead of 21 separate reads. Chains whose RPC fails are listed in chainsFailed. You only pay for successful reads: invalid input, not-found and upstream errors cancel settlement."
}

What the leaf hashes

{"body":"85fd01426e52d6e6f32c662cfcdb509471c1f1802441b82968442769fa3aa5ee","id":1508008,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472706486008,"prev":null,"subject":"x402_bazaar:https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/portfolio","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).
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Day root: 0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
Chained: 0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
Published: On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0

How to check it · This row as JSON