Evidence row 547837

Observed 27 Oct 2026, 20:33 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://aizamon.com/x402/v1/supply
Recorded: 27 Oct 2026, 20:33 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 46cf0be84d9540cd3a43a92a758d11eb4962ba3c20c396f59b515b8b5dee73b4
Leaf: 0x4952ec077006001c2fe5dd5cc65e69f308165a7ed8c9abdc0b9c46704cee8ddb

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aizamon.com/x402/v1/supply"
    ]
  ],
  "name": "ERC-20 total supply",
  "owner_address": "0xb88544cf8e9e97eeb2f313e0d3528fc1e50c2887",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "amountUsdc": 0.003,
          "assetTransferMethod": "eip3009",
          "intentId": "f04c47ee-6d7a-4097-917b-8fd9fcba638d",
          "name": "USD Coin",
          "resourceUrl": "https://aizamon.com/x402/v1/supply",
          "sku": "SKU_AG_SUPPLY_01",
          "version": "2"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xB88544cF8E9E97EEb2F313e0D3528FC1e50C2887",
        "scheme": "exact"
      }
    ],
    "description": "Get the totalSupply of one Base ERC-20, with raw units, decimals, and the decimal amount. Omit ?token= for USDC. $0.003 USDC. Included in the hour pass. Includes a signed Base fact you can check with the published receipt key. Includes a signed Ed25519 receipt you can check with the published key.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "protocol": "x402",
              "result": {
                "fact": {
                  "algorithm": "ed25519",
                  "format": "aizamon-chain-fact-v1",
                  "payload": {
                    "blockNumber": "12345678",
                    "chain": "base",
                    "chainId": 8453,
                    "method": "supply"
                  },
                  "publicKeyUrl": "https://aizamon.com/.well-known/receipt-oracle.json",
                  "signature": "ed25519-signature"
                },
                "supply": {
                  "amount": "1000",
                  "chain": "base",
                  "ok": true,
                  "symbol": "USDC"
                }
              },
              "sku": "SKU_AG_SUPPLY_01"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "token": {
                      "description": "ERC-20 contract. Omit for Base USDC.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ok": {
                      "type": "boolean"
                    },
                    "protocol": {
                      "type": "string"
                    },
                    "result": {
                      "type": "object"
                    },
                    "sku": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T13:41:07.627Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T13:41:07.402Z"
    },
    "resource": "https://aizamon.com/x402/v1/supply",
    "serviceName": "ERC-20 total supply",
    "tags": [
      "token supply",
      "total supply",
      "base",
      "x402",
      "supply"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Get the totalSupply of one Base ERC-20, with raw units, decimals, and the decimal amount. Omit ?token= for USDC. $0.003 USDC. Included in the hour pass. Includes a signed Base fact you can check with the published receipt key. Includes a signed Ed25519 receipt you can check with the published key."
}

What the leaf hashes

{"body":"46cf0be84d9540cd3a43a92a758d11eb4962ba3c20c396f59b515b8b5dee73b4","id":547837,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133216124057,"prev":null,"subject":"x402_bazaar:https://aizamon.com/x402/v1/supply","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

0x495216a6d5802f30f03cd96edfdb50b19992211b3a093ec954e7ef75b1ede4c8
0x71ef0a3b5028337f501ccb8959204309cef78ce2c657b1c4d57521aa4a8ee537
0x4577d9e697388b7c13263dabdfddcc646550dac52451731a9aaab0b542526fe8
0x22804289322a5188d77de8976b7078da564adbe948c16ff2a829120c8ad437a4
0x1636a1018504ce33df0b9da6d66c39e0fa1fd238014d973c78a4d17827c88cec
0xe3a555eca08f482993a26db42e48e9fc3e879bce88651e665163f41a5e64cd38
0xc9701768d60293f524dcdef2aa1dafb1b0662531d1f3da2b04250372f8cbbd60
0x6ef806c7126cde74739fb58cace4922b677448f57ebd633d2fb0780ee8d71c1e
0xc35903fbd81144ca0e95f31bfd45af448a14a9f676edcf4efc228b2f08c35b72
0xa1f401b0c1aa499980430f67810c758c114bb9ec037661630bfa5ea89a4ed860
0xf38b609ad597fce93b27c195650b896689a01ed74ab6b03ca25db0fce3815293
0xa6ea35fd4950cdcd8e7e5b8dcbb37883deca6fa621672fcdbde7ee38017f71bb
0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root: 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained: 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published: On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON