Evidence row 1645

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

Kind: listing
About: source_record agentic_market:avt-x402-ttsempelis-workers-dev
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: e86b21d686919df2079b1cfe9fe986cfef9303a422f4737aac0a2f37181ad503
Leaf: 0xb7c2ea77caf86ba31f6bb4a1dfc9c66b586bc33597d84ff75257cb3ba751546e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://avt-x402.ttsempelis.workers.dev/fx"
    ],
    [
      "x402",
      "https://avt-x402.ttsempelis.workers.dev/integration/device"
    ],
    [
      "x402",
      "https://avt-x402.ttsempelis.workers.dev/validate/phone"
    ]
  ],
  "name": "avt-x402.ttsempelis.workers.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "avt-x402.ttsempelis.workers.dev",
    "endpoints": [
      {
        "description": "Daily EUR foreign-exchange reference rates (source: European Central Bank). Returns the latest ECB reference rate for any supported currency vs EUR, plus cross-rate conversion between two non-EUR currencies.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USD,GBP",
            "group": "query",
            "name": "symbols",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://avt-x402.ttsempelis.workers.dev/fx"
      },
      {
        "description": "AV/IT device integration facts for AI agents writing drivers and integrations: control protocol family, transport, TCP/UDP port, connection notes and field-tested gotchas for professional audio-video, lighting, shading and network devices (Crestron, Samsung, Shure, Somfy, Huawei, MikroTik and more). Curated first-hand by working systems integrators.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "samsung",
            "group": "query",
            "name": "make",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "commercial-display-mdc",
            "group": "query",
            "name": "model",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://avt-x402.ttsempelis.workers.dev/integration/device"
      },
      {
        "description": "International phone number validation and normalization (libphonenumber): validity, country, E.164, national/international formats and line type.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "+30 210 123 4567",
            "group": "query",
            "name": "number",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://avt-x402.ttsempelis.workers.dev/validate/phone"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "avt-x402-ttsempelis-workers-dev",
    "integrationType": "",
    "isNew": false,
    "name": "avt-x402.ttsempelis.workers.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.014",
      "currency": "USDC",
      "maxAmount": "0.03",
      "minAmount": "0.002"
    },
    "provider": "avt-x402.ttsempelis.workers.dev",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"e86b21d686919df2079b1cfe9fe986cfef9303a422f4737aac0a2f37181ad503","id":1645,"kind":"listing","method":"baseline/1","observed_us":1793025254501885,"prev":null,"subject":"agentic_market:avt-x402-ttsempelis-workers-dev","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON