Evidence row 74523

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://eltociear-tokenguard.hf.space/polymarket
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 3ef7af8eaf46b519c4b31074371ebc3b22d102c25e7b8f6c3d41b76bac2e173c
Leaf: 0x508463ac493386627a560dd3b497ec02a10d9ff16c6a60617020491e3a5ad764

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://eltociear-tokenguard.hf.space/polymarket"
    ]
  ],
  "name": "tokenguard",
  "owner_address": "0x5bcda55247b238a573a968b234f788a2d35664dd",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bCDA55247B238a573A968B234F788a2D35664Dd",
        "scheme": "exact"
      }
    ],
    "description": "Active prediction markets from Polymarket CLOB. Returns YES probabilities, volume, end dates. Filter by market_id or category.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "category": "crypto",
              "limit": 10
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "category": "all",
              "count": 3,
              "markets": [
                {
                  "category": "Crypto",
                  "question": "Will Bitcoin exceed $100k by end of 2026?",
                  "volume_usd": "1234567",
                  "yes_probability": 0.72
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "category": {
                      "description": "Category filter e.g. 'crypto','politics','sports' (optional)",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Max markets 1-50 (default 10)",
                      "type": "integer"
                    },
                    "market_id": {
                      "description": "Specific condition_id to fetch (optional)",
                      "type": "string"
                    }
                  },
                  "required": []
                },
                "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "catalogue": {
        "discovery": "https://eltociear-tokenguard.hf.space/.well-known/x402",
        "note": "Same x402 rail (USDC on Base), same payTo wallet, no account or API key. GET the discovery URL for the full route list and prices.",
        "related": [
          {
            "covers": "pre-interaction EVM contract and token risk check",
            "discovery": "https://eltociear-contract-guard.hf.space/.well-known/x402",
            "service": "contract-guard"
          },
          {
            "covers": "web data (read/crawl/search), MCP and agent-skill security scanning, developer supply chain",
            "discovery": "https://eltociear-skill-audit.hf.space/.well-known/x402",
            "service": "skill-audit"
          }
        ],
        "resources": "https://eltociear-tokenguard.hf.space/x402-resources"
      }
    },
    "lastUpdated": "2026-10-08T06:14:41.494Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:14:41.405Z"
    },
    "resource": "https://eltociear-tokenguard.hf.space/polymarket",
    "serviceName": "tokenguard",
    "tags": [
      "crypto",
      "defi",
      "market-data",
      "on-chain",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Active prediction markets from Polymarket CLOB. Returns YES probabilities, volume, end dates. Filter by market_id or category."
}

What the leaf hashes

{"body":"3ef7af8eaf46b519c4b31074371ebc3b22d102c25e7b8f6c3d41b76bac2e173c","id":74523,"kind":"listing","method":"baseline/1","observed_us":1793025489184037,"prev":null,"subject":"x402_bazaar:https://eltociear-tokenguard.hf.space/polymarket","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON