Evidence row 3705

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

Kind: listing
About: source_record agentic_market:signalsfeed-com
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 26afde8398b8524b5ab24746fc0ccd4be947ea7be48239d8ab08b7889c5a4204
Leaf: 0x60802112554e1ba377dd14b442620991770d74afae4d0c18630d3f5cee874563

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://signalsfeed.com/api/v1/ai"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/commodities"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/feed"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/macro"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/policy"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/semiconductor"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/sentiment"
    ],
    [
      "x402",
      "https://signalsfeed.com/api/v1/trading"
    ]
  ],
  "name": "signalsfeed.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "signalsfeed.com",
    "endpoints": [
      {
        "description": "AI signals API for agents. Covers model releases, AI labs, robotics, benchmark updates, GPU supply, and compute capacity. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/ai"
      },
      {
        "description": "Commodity market signals API for agents. Covers oil, gold, natural gas, energy-market moves, and geopolitical supply shocks. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/commodities"
      },
      {
        "description": "Real-time signals feed for AI agents. Covers economic indicators, central bank policy, commodities, equities, AI, semiconductors, and geopolitical risk. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "10",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/feed"
      },
      {
        "description": "Macroeconomic indicators API for AI agents. Covers GDP, CPI, inflation, unemployment, interest rates, treasury yields, central bank policy, commodities, and geopolitical risk. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/macro"
      },
      {
        "description": "Central bank policy API for agents. Covers Federal Reserve and ECB policy, interest rates, treasury yields, and fiscal policy shifts. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/policy"
      },
      {
        "description": "Semiconductor intelligence API for agents. Covers fab capacity, foundries, GPU shipments, advanced packaging, export controls, chip manufacturing, and supply-chain disruptions. Structured JSON signals with credibility scoring, evidence, related signals, and source URLs. Pay-per-request via x402 on Base Mainnet; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/semiconductor"
      },
      {
        "description": "Financial news sentiment API for AI agents. Covers market mood, bullish or bearish tone, risk-on or risk-off shifts, and policy-driven sentiment changes. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/sentiment"
      },
      {
        "description": "Trading signals API for AI agents. Covers macro-driven market timing, commodity catalysts, rate-sensitive moves, and equities context. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://signalsfeed.com/api/v1/trading"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "signalsfeed-com",
    "integrationType": "",
    "isNew": false,
    "name": "signalsfeed.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "signalsfeed.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"26afde8398b8524b5ab24746fc0ccd4be947ea7be48239d8ab08b7889c5a4204","id":3705,"kind":"listing","method":"baseline/1","observed_us":1793025275435709,"prev":null,"subject":"agentic_market:signalsfeed-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).

0x60804cdade36ea45cc783989092ed08435546e82cbbc68b371d9b038092d8065
0x3a9331121fb15bc685eb3b927079aa16553e0a2e57ee355f15dfa43ba08480e9
0x631f9d2b81df0a026ddad1de56bb0df3790343ce22e656aa965427d6d8286a3e
0x3d4238f474a9e0cdea1088737514294a966a453dd3fd1bf01d879fe7531285ac
0x11d0f35dc2d512793f2ad64b6beca4d4c9127a94c6e1fc86dc082f5be7c0b43e
0x70a39cb1d87c6c2ae99f730fb0d648b36938d1ef77c21fa8a7cffd29a57226ce
0x70076396426150209cc294dcf4d28b0b5c0086e25126d9dc72eada097588e3ea
0x953842eef3fbab1f7078845f0890074a207660de4bbf63423c582786aaa60787
0xa27b47db4426e5dcf08c8bc517b21f092d888f8ac2da502f25f164c3319e72f3
0xbc2e807bf00b2ed1c806b85b0cbba8abd3b9788e0e8000d164ef64dfc99a3dcb
0xa50fca837a4f035829bddff38d023aff0ec4482f9bb5df60ea5b321b01e3e922
0xf4e3bedc99674db9d8ab4bc7655992ec76f822b327e6c89599b0baa3756fbd19
0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

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

How to check it · This row as JSON