Evidence row 2048

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://deadchannel.vercel.app/probe"
    ]
  ],
  "name": "deadchannel.vercel.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "deadchannel.vercel.app",
    "endpoints": [
      {
        "description": "Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a testnet address dressed as mainnet, or a listing whose price no longer matches its challenge. Returns a verdict — live, degraded, trap, testnet or dead — a 0-100 risk score, and the specific findings behind both, so an agent can decline a bad endpoint instead of learning about it by losing the money. Costs less than the smallest payment it protects.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://api.example.com/paid-endpoint",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "deadchannel",
        "tags": [
          "preflight",
          "payment-guard",
          "x402",
          "risk",
          "agent-safety"
        ],
        "url": "https://deadchannel.vercel.app/probe"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "deadchannel-vercel-app",
    "integrationType": "",
    "isNew": false,
    "name": "deadchannel.vercel.app",
    "networks": [
      "Base",
      "algorand:wghe2pwdvd7s12bl5faop20egyesn73ktic1qzkkit8=",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.005",
      "currency": "USDC",
      "maxAmount": "0.005",
      "minAmount": "0.005"
    },
    "provider": "deadchannel.vercel.app",
    "providerUrl": "",
    "serviceName": "deadchannel",
    "tags": [
      "preflight",
      "payment-guard",
      "x402",
      "risk",
      "agent-safety"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"f1bc87dfd1637586d476d5030e6d265e6f3e635dcb733d8163d1a9b9fb3a6166","id":2048,"kind":"listing","method":"baseline/1","observed_us":1793025260325066,"prev":null,"subject":"agentic_market:deadchannel-vercel-app","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. 0x6f7236f456d2eb5266a863942dd9d47d635bec25e1eecd50e1fae2636b6bd63b
2. 0xf65bea0b5b14b246385dd289c2c3533d5d45f41e746311cca4fcd4e49b523726
3. 0x8f99ee97fabe08ac125e26b5396ff4b51a36a866f0edac054b40f430fb0a9b1c
4. 0x36b9516e79906185e717af695507b73aab1e3e760e8767d5b0cb25c9190e1a67
5. 0x8e97d5d34b3e7a2eb2bcbf47544f61fa9067b52c7024dd40af53c5401406be1b
6. 0x2dd8396483319983780acaa7e5b7b9b2f69a211bc221f451492e4a969650749f
7. 0x5a81962f7da58939b27ef7b6f302b25cdb86b571cb2fb3961bec61ca91f08916
8. 0x898b2bda0c77a97c56d5b8dccca35214ad89109959711c38631342bbe67bbb55
9. 0x6f360684aab96ebd487927175b005ec638a71050419c1602b9978b876b5c1866
10. 0x21697b5033eab051196ecfd0591995e96b02c13cc0342e056b639cda759e3630
11. 0xcea975b85294606fde77157e415805eb2b2339729d4782f73ff75ac4682fef10
12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae