Evidence row 120980

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://scout.hugen.tokyo/scout/scholar"
    ]
  ],
  "name": "scout.hugen.tokyo/scout/scholar",
  "owner_address": "0x29322ea7ecb34aa6164cb2ddeb9ce650902e4f60",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
        "scheme": "exact"
      }
    ],
    "description": "Search Semantic Scholar — 200M+ academic papers with citation graph. AI agent API for literature review and research intelligence. Accepts USDC payments on Base and Solana",
    "extensions": {
      "bazaar": {
        "category": "search",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "large language models"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "multi-source",
          "x402",
          "structured-json"
        ]
      }
    },
    "lastUpdated": "2026-10-10T06:01:31.008Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-10T06:01:30.264Z"
    },
    "resource": "https://scout.hugen.tokyo/scout/scholar",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search Semantic Scholar — 200M+ academic papers with citation graph. AI agent API for literature review and research intelligence. Accepts USDC payments on Base and Solana"
}

What the leaf hashes

{"body":"6e60724df374b00b1e06721817e5ba2bb422c55c848404be707f3349f04a4020","id":120980,"kind":"listing","method":"baseline/1","observed_us":1793025619078868,"prev":null,"subject":"x402_bazaar:https://scout.hugen.tokyo/scout/scholar","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. 0xfbe951f654986952c7dd9a1eacd3c925da1bf0ad57f039ffadee7b057a5a7a4a
2. 0x9cf418897a00926c88b205bfdbde29c7f8d0a1185138c20823ab119825288238
3. 0xc890f57d650e68eee2eaadb72c50f536d72c8c87eeeae1078c652fd5c7f56d2c
4. 0x5d0701c300c7e8f047c75e8c7f5226e952acf588079b8f7a0c2a71dafe41a0c8
5. 0xcdff6e26290ed609cfc43cf0e0d964a261a83c32eb487e13419652b96f2a82b0
6. 0x97d88da9195f7eabf554fd77dc087c86345f80b6b86b46e1110c9bac89c8e69d
7. 0x51fcb3c96803b080660529141dad664264e846627791d43441b211b614a88138
8. 0x7d4ebb4fcc2d34d2e0a58fb96afb60f6397ae2ebc6fb57e26e5742421d4ee2e7
9. 0xa0f80f243f8b4719fc8bc7f60682dc3e72a50ebb41702b45f94d65e9d76b96c3
10. 0x0d9c6b15190d9e13a7cb74876b1fd47b5bba1e548abecd756ff8fd16658a6713
11. 0x51bc8fcd224b36d2c60fa49f46f383ee8328191b9e73209ce8018f2612c3d42f
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae