Evidence row 120975

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://scout.hugen.tokyo/scout/npm"
    ]
  ],
  "name": "scout.hugen.tokyo/scout/npm",
  "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 npm package registry — find JavaScript and TypeScript libraries, frameworks, and developer tools. AI agent API for dependency research. Accepts USDC payments on Base and Solana",
    "extensions": {
      "bazaar": {
        "category": "search",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "mcp server"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "multi-source",
          "x402",
          "structured-json"
        ]
      }
    },
    "lastUpdated": "2026-10-08T06:27:04.238Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:27:03.938Z"
    },
    "resource": "https://scout.hugen.tokyo/scout/npm",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search npm package registry — find JavaScript and TypeScript libraries, frameworks, and developer tools. AI agent API for dependency research. Accepts USDC payments on Base and Solana"
}

What the leaf hashes

{"body":"8c1c0a44dc1a22de2c44c6b656db5d810504f4671f3ef8fedbac2a9efd7bc3aa","id":120975,"kind":"listing","method":"baseline/1","observed_us":1793025619074729,"prev":null,"subject":"x402_bazaar:https://scout.hugen.tokyo/scout/npm","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. 0x67f1f8781734070f3167cef828188161fa302e4d3611adf74be4bda18e8a6202
2. 0xf5648f8dc444fed053b3795889d86dee3ad5d29590c2241ac468c4a1fd7b0ac3
3. 0x669c9d000ab10312fdc30d94c749952fdde5b7e213495e7a02c0ee08f8d32fa1
4. 0x2f585407b6a420c11f8d5527731f97ba59fcdad85715ea394a917ead59c4c8e2
5. 0x2d06de008424e1e6c143783794e972fd4a70cc2c5b32bd294661aa1827f84f38
6. 0x0a2c1d1476cc2e398d613e5b30b132f6f81a9ae6271a59bbcb665e08b615c8a1
7. 0x14b3d3c2d5b0810f1b778b465807364541dbe40bed0fb8ee093224b29bad6450
8. 0x941f810a93787b7ce4c4baae1ab782ef87214def01d27354b112f4967bb97e92
9. 0x13288c9f27a5bd23388a0ba6abf632e55acfde3a5ac34f9fa55b4fe5acfadbcb
10. 0x5dcc212c9908f2e34dd2b4875dc4504249562165079f2f9e4c59886cedb5b544
11. 0x077c74551bfc77d0c61421c3d34c02b1086f7d8fae7a09ac5ef6d43246c34a52
12. 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae