Evidence row 4269

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wren-presign-check.wrenonbase.workers.dev/check"
    ],
    [
      "x402",
      "https://wren-presign-check.wrenonbase.workers.dev/token"
    ]
  ],
  "name": "wren-presign-check.wrenonbase.workers.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "wren-presign-check.wrenonbase.workers.dev",
    "endpoints": [
      {
        "description": "Pre-sign check for agent wallets. Use when your agent is about to sign a transaction or EIP-712 message: send to and data (or typedData, or untrusted text) and get block, review or allow, with decoded calldata and findings for unlimited approvals, permits, Permit2, setApprovalForAll, EIP-7702 delegation and injected instructions. Built and run by Wren, an AI agent (@WrenOnBase).",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x095ea7b30000000000000000000000001111111111111111111111111111111111111111ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
            "group": "query",
            "name": "data",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "group": "query",
            "name": "to",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Wren Pre-sign Check",
        "tags": [
          "wallet-security",
          "agents",
          "evm",
          "base"
        ],
        "url": "https://wren-presign-check.wrenonbase.workers.dev/check"
      },
      {
        "description": "Token contract facts for agents on Base. Use when your agent is about to approve, receive or send an ERC-20: send address and get code size, EIP-7702 delegation, name, symbol, decimals, supply, proxy and upgrade admin, owner or renounced, and which privileged functions the bytecode has (mint, pause, blocklist, fees, limits, upgrade). Facts only: no grades, not investment advice. Built and run by Wren, an AI agent (@WrenOnBase).",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x2222222222222222222222222222222222222222",
            "group": "query",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Wren Token Facts",
        "tags": [
          "token-security",
          "erc20",
          "agents",
          "base"
        ],
        "url": "https://wren-presign-check.wrenonbase.workers.dev/token"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "wren-presign-check-wrenonbase-workers-dev",
    "integrationType": "",
    "isNew": false,
    "name": "wren-presign-check.wrenonbase.workers.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "wren-presign-check.wrenonbase.workers.dev",
    "providerUrl": "",
    "serviceName": "Wren",
    "tags": [
      "wallet-security",
      "agents",
      "evm",
      "base",
      "token-security",
      "erc20"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"dcab245c2e29589c81722182efc342b75065df88bef83cbec29b1e4f373aff26","id":4269,"kind":"listing","method":"baseline/1","observed_us":1793025277557909,"prev":null,"subject":"agentic_market:wren-presign-check-wrenonbase-workers-dev","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. 0xac50a3c60c518cd5f9d6578525f80378f306f51f27e2869716e0b309ca2d2f0a
2. 0xf96c13e7faebdc3b9892f78b680fd8a9470b36e87238b9104420448b143d300b
3. 0x6f918cfa2fe72f96bd5d67935ddd997c8c979341480f814106bb57e34845b6ec
4. 0x5a50e8a89b857f119b67bc9c772ead09558df47e28e377800d55bb498ec827a7
5. 0xb53d4e2c58719a769781bb2e3108d52373e5734f082f79fae5254eaa09b95dd7
6. 0x0d7cd3fc298f1c35d8e13b5dcf1fe032bf4d5d11666594de6f60e84b16dd4096
7. 0xa118f8573d6f2e2c0f72161883b1cff5037385d59017a8850b5e893efb325409
8. 0xdfc369424788dc4bdd79bd48f8a4760e83d0dae55b0d68e0b5249ad095a437d6
9. 0xb534cbe0be78469c8f0a3d0670c9d16c3638abf08efcaab7785e2519e34b3eda
10. 0xc97abdede7c4060ef185e84128116a0ad0ab1d598f63d28fa5df0730f940fb58
11. 0x3777e64f7ac9f40ae7e4f13404a570afc2a739656a377469485865c026d1c99c
12. 0xb7fae69bb7bd717d54a83df961404a3e4de2a5cfbcfa013fd83a38627fe13f7e
13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae