Evidence row 547875

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://weather.hugen.tokyo/weather/current"
    ],
    [
      "x402",
      "https://weather.hugen.tokyo/weather/forecast"
    ]
  ],
  "name": "weather.hugen.tokyo",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "weather.hugen.tokyo",
    "endpoints": [
      {
        "description": "Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one call. Global coverage updated every 15 minutes. No API keys, no geocoding setup, no rate limits. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Tokyo",
            "group": "query",
            "name": "city",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "35",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://weather.hugen.tokyo/weather/current"
      },
      {
        "description": "Daily weather forecast (1-7 days) by city name — max/min temperature, precipitation amount and probability, peak wind speed per day. Automatic geocoding from city name to coordinates. Structured JSON ready for immediate use in agent workflows. No API keys, no coordinate lookups, no setup needed. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Tokyo",
            "group": "query",
            "name": "city",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "3",
            "group": "query",
            "name": "days",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://weather.hugen.tokyo/weather/forecast"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "weather-hugen-tokyo",
    "integrationType": "",
    "isNew": false,
    "name": "weather.hugen.tokyo",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "weather.hugen.tokyo",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"645d6a8b0044358149401ed0036418c2e5555b3be65ea4ba78a444eb2d2d816f","id":547875,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793133242780818,"prev":4198,"subject":"agentic_market:weather-hugen-tokyo","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. 0x3f3fa217dad6895ad10c619dc824395373c14ddd1ea3361799c8e9032f5456e3
2. 0xe9bfacb1cc6978073d51d33af70148adede2bebe977bb6e5776f4da215f0e359
3. 0xfdac9b630539e7380612059cdf4c393a5f472970859f1f6a375048474ce39dca
4. 0xbc403992679ccd79cb25beebe3581b3ddc6f38f28037203f919dd18fa5e819ee
5. 0x07c4e9753565477a25fbda27d47beef3e488370060ab719221989ff3da6b02e2
6. 0xc0d34cde79584b8c1656a15577b4755d4a9ddd6164965f59e1f2dcc7d1ee2d88
7. 0x921ecd2c5b62af4f73b51387042bf84a89ce72f644a90ba296bd6e861b6cd909
8. 0xe353892be711c468b23c2c6c331894879a2e79ea6512d77c13d26390afc039dd
9. 0x921a0d38529802753005f362a1f4afb38bd134d9884b36bac86f8e9c2530edbf
10. 0x1510a3d49a847fef922679f504526018ac8a904fce66b39c1b511c4aa79edee2
11. 0x6e6c3f9e8905b53bea3a56703a85b838b295ee8873c8ac6067caa68293188db7
12. 0x139a61fc1533aad2dd83b82b2ec2330ee3422710b28d63ce7ff509ed7d7bc93e
13. 0xe097a5c0640b3c074fef1c9f5fe91898965687ad755f1c27c31462a60e313f0a
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4