Evidence row 297239

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://desk.grokaiapps.com/v1/jobs/brief"
    ],
    [
      "x402",
      "https://desk.grokaiapps.com/v1/jobs/json-shape"
    ],
    [
      "x402",
      "https://desk.grokaiapps.com/v1/jobs/page-extract"
    ],
    [
      "x402",
      "https://desk.grokaiapps.com/v1/jobs/url-probe"
    ],
    [
      "x402",
      "https://desk.grokaiapps.com/v1/jobs/watch-once"
    ]
  ],
  "name": "desk.grokaiapps.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "eip155:84532"
    ],
    "category": "",
    "description": "",
    "domain": "desk.grokaiapps.com",
    "endpoints": [
      {
        "description": "Call when you need a researched written brief on a topic (not instant). Delivered within 24h, usually same day: ~500 words default (max_words 50-1500), at least 3 cited public source links. Returns job id + dueBy now; poll GET /v1/jobs/:id (free) for result {title, summary, body_markdown, sources, word_count}. Public web sources only.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 400,
            "group": "body",
            "name": "max_words",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "x402 discovery for agents",
            "group": "body",
            "name": "topic",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.25",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "AUTOGROK Desk",
        "tags": [
          "brief",
          "research",
          "writing",
          "search",
          "data"
        ],
        "url": "https://desk.grokaiapps.com/v1/jobs/brief"
      },
      {
        "description": "Call when you have messy text (JSON blob or key:value lines) and need a heuristic object shaped by schema_hint — no LLM. Cap 50k chars. Use to normalize tool dumps before structured follow-up. Not for NLP understanding or free-form writing.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "name, age",
            "group": "body",
            "name": "schema_hint",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "name: Ada\nage: 36",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.15",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "AUTOGROK Desk",
        "tags": [
          "json-shape",
          "parse",
          "normalize",
          "search",
          "data"
        ],
        "url": "https://desk.grokaiapps.com/v1/jobs/json-shape"
      },
      {
        "description": "Call when an agent needs readable main content from a public web page as markdown plus title/description. Use for summarization, RAG ingest, or quoting without a browser. Fetches once; blocks private/SSRF targets. Not for authenticated, paywalled, or non-HTML resources.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "AUTOGROK Desk",
        "tags": [
          "page-extract",
          "markdown",
          "scraping",
          "search",
          "data"
        ],
        "url": "https://desk.grokaiapps.com/v1/jobs/page-extract"
      },
      {
        "description": "Call when you need a cheap reachability/health check before a heavier fetch. Probes a public http(s) URL (HEAD, GET fallback): status, final URL, content-type, timing. No full body download (GET peeks ≤8KB). SSRF-safe public hosts only. Not for authenticated or private network URLs.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "HEAD",
            "group": "body",
            "name": "method",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "AUTOGROK Desk",
        "tags": [
          "url-probe",
          "http",
          "healthcheck",
          "search",
          "data"
        ],
        "url": "https://desk.grokaiapps.com/v1/jobs/url-probe"
      },
      {
        "description": "Call for a one-shot change detector: fetch a public URL, hash normalized main text (sha256), optionally compare to previous_hash. Returns hash, changed true/false/null, word_count. Use for cheap page-watch loops; not a persistent webhook subscription.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
            "group": "body",
            "name": "previous_hash",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "AUTOGROK Desk",
        "tags": [
          "watch-once",
          "change-detect",
          "hash",
          "search",
          "data"
        ],
        "url": "https://desk.grokaiapps.com/v1/jobs/watch-once"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "desk-grokaiapps-com",
    "integrationType": "",
    "isNew": false,
    "name": "desk.grokaiapps.com",
    "networks": [
      "Base",
      "eip155:84532"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.116",
      "currency": "USDC",
      "maxAmount": "0.25",
      "minAmount": "0.03"
    },
    "provider": "desk.grokaiapps.com",
    "providerUrl": "",
    "serviceName": "AUTOGROK Desk",
    "tags": [
      "brief",
      "research",
      "writing",
      "search",
      "data",
      "json-shape",
      "parse",
      "normalize",
      "page-extract",
      "markdown",
      "scraping",
      "url-probe",
      "http",
      "healthcheck",
      "watch-once",
      "change-detect",
      "hash"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"468e166a55ff49e41d72f9fcee88a782e8ac2c135fb0e03ffb9c471d272e28ac","id":297239,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793052175118616,"prev":272019,"subject":"agentic_market:desk-grokaiapps-com","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. 0x5a174483f2ccf6e3c50a5fd7adc8c189e31c4409cf95b6f1a0f451a6567acf9f
2. 0x74f445f1b524a2d4369549d318e0e6030ee646dd18a479f146c435058be57a7e
3. 0x406e605146ba96c5d526c30089f104fe1052a4023136edd5f0d01cf175fb9332
4. 0x9e0ff3883d9d5cabb615a759d83ed4d0542090e45d5630c71f6daee2fc6238fc
5. 0x874293ff8dcec38eacb0c323df7601012914bc56f0f2cde2f74401aed38d20cf
6. 0xef48d3a5a72b457d70c4d7d32a43d0d1b7438501c1c761e36dbd67b0502c08a2
7. 0x1d2e3fe0dfa08c39150d02aeaa08b992ffb69a88aea45d4742b608b25c275ee8
8. 0x29f759809591bd141f876d77bf71870a68c90a81347410c44543207a79f466f4
9. 0x98761b2ae9eaacd29c6112596ed0e091dee040865db85ef3897d85a7fe6a3fb7
10. 0xf1eeb4a8c5c16de179c12264e7953f094a84068b4ebc7f1cae7834073c43b439
11. 0x3ada80dcde3daf850269166ea2ab667084c23fe8ab3b3994664b930470ebdef7
12. 0xf522fa92d4115c2b18b96aa43119f8df9b4e96c92f5d6449d0fe96dcd4bf324c
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae