Evidence row 4016

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tradeapex.ai/x402/expand"
    ],
    [
      "x402",
      "https://tradeapex.ai/x402/related"
    ]
  ],
  "name": "tradeapex.ai",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "tradeapex.ai",
    "endpoints": [
      {
        "description": "What should your agent read next? Send text from your corpus; get the concepts most strongly linked to it that it does not yet cover, each with the linking terms and measured link strength. Text is not stored. Text with fewer than 3 known terms is not charged.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 10,
            "group": "body",
            "name": "k",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Central banks raise interest rates to fight inflation, which strengthens the currency and slows lending.",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "TradeAPEX corpus expansion",
        "tags": [
          "corpus-building",
          "rag",
          "knowledge-graph",
          "query-expansion",
          "research-agents"
        ],
        "url": "https://tradeapex.ai/x402/expand"
      },
      {
        "description": "Related concepts for a word or short phrase, from a self-derived semantic model (no transformer). Measured class-separation AUC 0.846. Unknown words are not charged.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 8,
            "group": "query",
            "name": "k",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "inflation",
            "group": "query",
            "name": "term",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "TradeAPEX related concepts",
        "tags": [
          "semantics",
          "nlp",
          "related-words",
          "query-expansion"
        ],
        "url": "https://tradeapex.ai/x402/related"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "tradeapex-ai",
    "integrationType": "",
    "isNew": false,
    "name": "tradeapex.ai",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.02",
      "currency": "USDC",
      "maxAmount": "0.02",
      "minAmount": "0.02"
    },
    "provider": "tradeapex.ai",
    "providerUrl": "",
    "serviceName": "TradeAPEX",
    "tags": [
      "corpus-building",
      "rag",
      "knowledge-graph",
      "query-expansion",
      "research-agents",
      "semantics",
      "nlp",
      "related-words"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"5c7501095d7910541857ab2d5e81fc6c9bcb174fcf18bd8985ae6c27a7c65064","id":4016,"kind":"listing","method":"baseline/1","observed_us":1793025276634478,"prev":null,"subject":"agentic_market:tradeapex-ai","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. 0x8db153023b3b62c7b7c798acc4b2d0f03f9c8443a081cbe4587d5729e24c816d
2. 0x2a84b081ab527e8e49081299ec81cd92990554e4dd6c59a23bce872c1d401631
3. 0x2b52e9820fed546542a67eebbb2962716ca8e3a0e1120a4b1793dc1983373b9e
4. 0xf87011130f43e386cf2088bc6df6b9bab5a737e8330dcdccbf257f169b189fb6
5. 0x1462e7cf8e9163eb93fe3779c539b34fa88a57ef7e121c62b24f28ee608088ec
6. 0xee093af75af540d8e0a99167e671971fb56a153d5d71feeac77b098d1ed1d1c9
7. 0xd0583c7b63aa02231d5892041e5218c9b0b18bd7db67468132e5c9c652edf7b8
8. 0xc8951ede3062cb9bed81f823bd70513cea3375b99c9c9b535b2097bada783f18
9. 0x5595ffc5c162852ce5d24c973a09e72b35818657f045c0887f03920ca679fd49
10. 0x57adb884aa6187c9e7f153cc992251efcdbefadc60f2e9d6a2c0a9c60d412203
11. 0x6880847de0a4b4b8c14408244df84ff11ac20d4049a575846d0700a7a91132ca
12. 0x59a4efa65a01e4e2abdb3b8b7bb673db6d1c72e0f9d52dd2f94777b14a5b061c
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae