Evidence row 3886

Observed 26 Oct 2026, 14:34 UTC, by baseline/1.

Kind: listing
About: source_record agentic_market:stockbloc-ai-studio
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: c9a20147a0e9691994c34a9c3fbebb17fa1f2944ccc4e0969ebdc96b3a6d2f5e
Leaf: 0x2b558c01ead01d2985ccfd06ca5768543cfad9ac29cc15cebec48db91c7add02

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stockbloc.ai.studio/api/data/market"
    ],
    [
      "x402",
      "https://stockbloc.ai.studio/api/v1/data/sec"
    ],
    [
      "x402",
      "https://stockbloc.ai.studio/api/v1/sec/job"
    ]
  ],
  "name": "stockbloc.ai.studio",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "stockbloc.ai.studio",
    "endpoints": [
      {
        "description": "Current stock price, 24h change and volume for a ticker (US, Hong Kong, India). Unknown tickers return a free 404. $0.01.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "AAPL",
            "group": "query",
            "name": "ticker",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "7",
          "l30DaysUniquePayers": "7"
        },
        "serviceName": "Stock Bloc",
        "tags": [
          "stocks",
          "sec",
          "13f",
          "quant",
          "forecasting"
        ],
        "url": "https://stockbloc.ai.studio/api/data/market"
      },
      {
        "description": "Institutional 13F whale filings, hedge fund shifts, and audited EDGAR risk intelligence.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Stock Bloc",
        "tags": [
          "stocks",
          "sec",
          "13f",
          "quant",
          "forecasting"
        ],
        "url": "https://stockbloc.ai.studio/api/v1/data/sec"
      },
      {
        "description": "What changed in a company's latest 10-K or 10-Q risk factors vs the prior filing: added, removed and changed items with quotes, key XBRL financial changes, and a riskDelta summary. Use mode=diff. compact=true returns a smaller payload. Saves reading two full risk sections (often 60k+ characters each). $0.25. Free sample: https://stockbloc.ai.studio/api/v1/sec/job/sample",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "10-K",
            "group": "body",
            "name": "filingType",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "diff",
            "group": "body",
            "name": "mode",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "AAPL",
            "group": "body",
            "name": "ticker",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.25",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Stock Bloc",
        "tags": [
          "stocks",
          "sec",
          "13f",
          "quant",
          "forecasting"
        ],
        "url": "https://stockbloc.ai.studio/api/v1/sec/job"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "stockbloc-ai-studio",
    "integrationType": "",
    "isNew": false,
    "name": "stockbloc.ai.studio",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.12",
      "currency": "USDC",
      "maxAmount": "0.25",
      "minAmount": "0.01"
    },
    "provider": "stockbloc.ai.studio",
    "providerUrl": "",
    "serviceName": "Stock Bloc",
    "tags": [
      "stocks",
      "sec",
      "13f",
      "quant",
      "forecasting"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"c9a20147a0e9691994c34a9c3fbebb17fa1f2944ccc4e0969ebdc96b3a6d2f5e","id":3886,"kind":"listing","method":"baseline/1","observed_us":1793025276357166,"prev":null,"subject":"agentic_market:stockbloc-ai-studio","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).

0x2b5590f74308fb34a5855ca666324d10a8e78e957564a5bfe89f0bec8d422d6a
0x09ee7dc326c96d3c14bb33f6f173e392824d5c11401fd0ab3abbbcc6fac4f2a8
0x8a3de30cdc3865430fbd636b8e7a3b51c71a59adb3c814a3ce70a2ff8c7c984c
0xff67ae71034129e4b37016df29ae93ca5ce604c8f03682114cc8ac24b9899d28
0x31ea09ed9a72651e2e053a9658c64791b1b0dd081ac77cc5bc19292a1b9ed1c9
0x7727f55dfc93a03a0609ef8d84f0d24aa9a2d6c729326f23af256546cebe25d6
0xffd850c50159ab8730e101d51db45907e11ebc69103befc34d2b451b7b93b161
0xacec7c535bc59f15bd08e1a78a51bc899776aefb8ab95c6307547b50e10c2466
0xf39a9d1a20c443ec85e4c92007dcbfa1e0ec69cd730017ccdadac95f3c0f417d
0x755e8bb86bef8a205359ea18e6bb499124975e318b315b74b91ac3dddeb77d5e
0xde76827525517f5c8aef4ffd7831eab09ee63757dcc2282bc64307fd6ee67ad1
0xe8bf822fd6c66b233e3e13e08596e8fb41c1ed9b85be0e4d50cfc9b740c0e206
0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON