Evidence row 123893

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://visual.hugen.tokyo/visual/screenshot"
    ]
  ],
  "name": "visual.hugen.tokyo/visual/screenshot",
  "owner_address": "0x29322ea7ecb34aa6164cb2ddeb9ce650902e4f60",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
        "scheme": "exact"
      }
    ],
    "description": "Screenshot any public URL — returns base64 JPEG/PNG with metadata (page title, file size, render time). Full-page scroll capture, CSS selector targeting, device emulation (iPhone 15 Pro, Pixel 7, iPad Pro 12.9), dark mode, ad/cookie banner auto-removal. No browser infrastructure needed, no server costs. Pay per capture. Accepts USDC payments on Base and Solana",
    "extensions": {
      "bazaar": {
        "category": "visual-capture",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "jpeg",
              "height": "720",
              "url": "https://github.com/coinbase/x402",
              "width": "1280"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "file_size_bytes": 48320,
              "format": "jpeg",
              "page_title": "GitHub - coinbase/x402: An open protocol for internet-native payments",
              "render_time_ms": 1847,
              "url": "https://github.com/coinbase/x402",
              "viewport": {
                "height": 720,
                "width": 1280
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "screenshot",
          "pdf",
          "rendering"
        ]
      }
    },
    "lastUpdated": "2026-10-24T18:23:17.872Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T18:23:16.935Z"
    },
    "resource": "https://visual.hugen.tokyo/visual/screenshot",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Screenshot any public URL — returns base64 JPEG/PNG with metadata (page title, file size, render time). Full-page scroll capture, CSS selector targeting, device emulation (iPhone 15 Pro, Pixel 7, iPad Pro 12.9), dark mode, ad/cookie banner auto-removal. No browser infrastructure needed, no server costs. Pay per capture. Accepts USDC payments on Base and Solana"
}

What the leaf hashes

{"body":"fb462a99968a83440f4b99022c90acdd6ea9cd1caadcfb179b164277c317096a","id":123893,"kind":"listing","method":"baseline/1","observed_us":1793025623834526,"prev":null,"subject":"x402_bazaar:https://visual.hugen.tokyo/visual/screenshot","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).

1. 0xc7a2fea3a0d60c2b43d0852d7e85c834a3704e6a9c8122cbc6f2b5830ebc4fb0
2. 0x754b64b20a8e0cb2be4dc5f54bdbdeb342d14d4192c443c7e5670160223eb521
3. 0x7e61dfcd0db13ca7a0832f57e4cff5ace25d5f9b1ae1b28d29955db0b6fc3535
4. 0x7b030f5d6cfc79fa0ab0e0c536a3c7bce185ccb285541fa7bd1dce2591596f9d
5. 0x1d137456b8abbc7985ed042b78686dfbfa159fbc49a36c5e302c73e5bb0c1e60
6. 0x34476f8555073cb7ed7412b20da55d3235a713cd158fa48f977fd155512998d7
7. 0x8190b6f0f1cafaa38d3ee78509a95d4a0dd22d2d274869c2bae4edcf6220eac1
8. 0x71633873063df4ab97712fc653455e51dc09df548afadf8691c46834fe73efa3
9. 0x77ff5999d5601de25f7a34932b393492d649124ea998f8ca705f2f42283ee609
10. 0xc6ae85d609e7d5890f74a3f5d3b2ebae263f9ec4025f03a326b914e508ffffd3
11. 0xed975d3cf9a825217ed3ef7c3e4522f054cfe35b47c462678d64461a93581906
12. 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae