Evidence row 1792085

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pay.brianbooms.com/api/v1/data/iss-now"
    ]
  ],
  "name": "Steward",
  "owner_address": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "11970",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "11970",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "11970",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs the ISS's position right now — latitude, longitude, altitude, and velocity propagated locally from public CelesTrak TLEs (SGP4), not a stale cached fix. Derived positions only; raw TLEs are never served. Optional format=geojson returns a GeoJSON Feature. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited.",
    "extensions": {
      "bazaar": {
        "discoverable": true,
        "iconUrl": "https://brianbooms.com/favicon.ico",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "Optional: geojson for a GeoJSON Feature; omit for plain JSON. Example: geojson"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "altitude_km": 419.82,
              "data_source": "CelesTrak public TLEs, propagated locally (SGP4); derived positions only, raw TLEs never served",
              "latitude_deg": 30.5123,
              "longitude_deg": -97.7431,
              "product": "ISS position (now)",
              "velocity_kms": 7.66
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "format": {
              "description": "Optional: geojson for a GeoJSON Feature; omit for plain JSON. Example: geojson",
              "type": "string"
            }
          },
          "type": "object"
        },
        "serviceName": "Steward",
        "tags": [
          "iss",
          "space",
          "steward",
          "x402",
          "data-api"
        ]
      }
    },
    "lastUpdated": "2026-11-01T15:59:31.359Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T15:59:30.539Z"
    },
    "resource": "https://pay.brianbooms.com/api/v1/data/iss-now",
    "serviceName": "Steward",
    "tags": [
      "iss",
      "space",
      "steward",
      "x402",
      "data-api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs the ISS's position right now — latitude, longitude, altitude, and velocity propagated locally from public CelesTrak TLEs (SGP4), not a stale cached fix. Derived positions only; raw TLEs are never served. Optional format=geojson returns a GeoJSON Feature. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited."
}

What the leaf hashes

{"body":"e2a54a81d26b26e1d2f4d0d2e9ad37ce1a1bdc1ce7042a2e6fb88cd16c96bd3b","id":1792085,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560007631399,"prev":null,"subject":"x402_bazaar:https://pay.brianbooms.com/api/v1/data/iss-now","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xe8f21edc7b5dd9ad2433753f7ff2f14b0e630e5c86d3feba365b22349e7d6875
2. 0x589bf52e5e1338f0a2af095c095a8993f315aad61d5451da3ca7fb0e48d9f492
3. 0xe0b86d458915f974d209d6a58f21da1c68686124fd68e467d5760e3834bafaf1
4. 0x1432296e919ef26c818302135473f21dde5122b310b39af526bd2546ad480266
5. 0x435900f123432b779181d07edb952daf17113cef37d4f3d3e4ae4223fc4ee325
6. 0x053f891b74b7ad9fb2bc971621ab03e94ebcedf6637dee2f7f7470b7781674ea
7. 0x819f1b1419419aa04092bfc40d73857a72e3e62a83b2c45601a1b445c742bb4f
8. 0xf3c42617e53b69e0191851a3a879e4b697134da0d71414220919a72b839674d3
9. 0x2e76b355d5d144030cda704984cdca684d3f1d33bade5d45b2c2a148377e052f
10. 0x8df611d79472678f47671b7042f08a3ca496e0b82f5854d99edf08e03bcaee1c
11. 0xe9c0fc3b1e69b315645a6a7fbc869d897ccb29b49ef9a95b1eef8fc24c17a450
12. 0xa1b3635993cbefb58f74c74567d4bf8407e2138aa7bd738bcbfea2169ff3e13b
13. 0x0634a45000fa6f73103fbba8bbeae4bebdb256b75effa591aeb1cdeebe8a0e87
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90