Evidence row 525295

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://srv1553682.hstgr.cloud/fng/api/fear-greed"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/nlp/api/sentiment"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/nlp/api/summarize"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/fear-greed"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/injection-scan"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/integration-pack"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/macro-econ"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/market-brief"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/summarization"
    ],
    [
      "x402",
      "https://srv1553682.hstgr.cloud/route/verified-equivalent-quote"
    ]
  ],
  "name": "srv1553682.hstgr.cloud",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "srv1553682.hstgr.cloud",
    "endpoints": [
      {
        "description": "Crypto Fear & Greed index: current value and classification plus 7-day history. Always-on, self-healing, verified onchain settlement. Source: Alternative.me.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.00161",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "7",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/fng/api/fear-greed"
      },
      {
        "description": "Sentiment scoring for caller-provided text: positive/neutral/negative with confidence. Batch up to 16 texts per call. Model: twitter-roberta-base-sentiment. Always-on, verified onchain settlement.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "agents paying agents is going to compound",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.0035",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/nlp/api/sentiment"
      },
      {
        "description": "Abstractive summarization of caller-provided text (up to ~4k chars). Model: distilbart-cnn. Always-on, verified onchain settlement.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Long article text to be summarized...",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.0035",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/nlp/api/summarize"
      },
      {
        "description": "Crypto Fear & Greed index (current + 7-day history) via the verified-quality meta-router: in-house first, outcome-logged, never charged on failure.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.00161",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/fear-greed"
      },
      {
        "description": "POST {target} (listing URL, domain, or payTo) -> a factual prompt-injection SIGNAL report over x402 listing DESCRIPTION metadata (the text agents ingest): the exact matched spans + context, from a nightly full-catalog scan or a live scan for unknown URLs. Reports signals, not a malicious/clean verdict; absence of signals is not a safety guarantee. Never charged on failure.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/api/endpoint",
            "group": "body",
            "name": "target",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/injection-scan"
      },
      {
        "description": "POST {url} of any x402 listing -> its machine-readable I/O schema (from the advertised bazaar extension or our paid-response archive), input/output examples, price, and probe-measured delivery grade. Saves a coding agent a risky test purchase against an endpoint that may not deliver. Never charged on failure.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/api/endpoint",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/integration-pack"
      },
      {
        "description": "US macro indicators (CPI, core CPI, unemployment, Fed funds, GDP, 10y/2y yields, M2) with latest value + YoY + recent history, via FRED. ?series=cpi. Public-domain data, 6h cache. Never charged on failure.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "cpi",
            "group": "query",
            "name": "series",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.0035",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/macro-econ"
      },
      {
        "description": "Composite crypto market brief: Fear & Greed (now vs week ago), BTC/ETH spot, perp funding rates, plus an AI-written narrative — one call instead of four. Always-on, verified onchain settlement, never charged on failure.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.007",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/market-brief"
      },
      {
        "description": "Abstractive summarization (~4k chars) via the verified-quality meta-router: in-house model first, outcome-logged, never charged on failure.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "long text...",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.0024",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/summarization"
      },
      {
        "description": "Bazaar procurement: POST {url} or {query} for a capability -> the equivalence cluster of functionally-identical x402 listings with paid-probe DELIVERY grades (not just reachability), the cheapest verified-delivering substitute, price spread, and per-call savings. Built on a nightly full-catalog classifier + paid-probe archive. Never charged on failure.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "fear and greed index",
            "group": "body",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://srv1553682.hstgr.cloud/route/verified-equivalent-quote"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "srv1553682-hstgr-cloud",
    "integrationType": "",
    "isNew": false,
    "name": "srv1553682.hstgr.cloud",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.007812",
      "currency": "USDC",
      "maxAmount": "0.03",
      "minAmount": "0.00161"
    },
    "provider": "srv1553682.hstgr.cloud",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"6e401c86454ec5d0a44392a54119e87c23ab0cfdd4fcb0681dd4f735734f9079","id":525295,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793124755151034,"prev":451355,"subject":"agentic_market:srv1553682-hstgr-cloud","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x020c5226fb5f161c5fe86cb3d16b3c6ff46ca0f2fb414cc6b5ee5c49dc70e884
2. 0x40534bee02fcade67529b0c96d9e267295700c7b8cba680f043c60f1001a29a6
3. 0x3f709be23204cf4ec361542ac1157aeecaa9dbe91c8d3c1289bf0d2a5740c2fc
4. 0xdf573c5dba860374acdaaa808e7b01e6022b183c9bbe1815c2b99baff2ed45b8
5. 0xdf3732581175d70f7fcb70b75c35390b668de56d05acce114f3a646b69140020
6. 0xf55af5d2d2003a56d36ffd635b2b581c0b1544f81aba033748c1fd09a3fecff8
7. 0xc11757577e3a3c3b71c1cd6e5e7e3b38bf80270b46bd312f6b96e73f0a53ef25
8. 0x9ec8648cdb0aecaddb2b1971fc7313e145bbffedf06a0ac50060ca67fd2be646
9. 0xbb29eaf5560041d473ae06716b03fa001f649cf2fc1beab5658a773c0949f23a
10. 0x88da08caae617294558df3d1e6db49762eb8b020a78e23eb786fe51cbd14c976
11. 0xca110c77af452531cd72d9dfe28e4dd3c3e60be71c9e7ac05ad2b782f9713bde
12. 0x05916cc6b98491a0d541e4ecca3d0132fa255184243406b5a8a52bb1b6b63bd0
13. 0x5b34b9f89512a83faa4bfecec322037670cc1af58e6e94a86fe88934434d7ddf
14. 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4