Evidence row 120981

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://scout.hugen.tokyo/scout/stackoverflow"
    ]
  ],
  "name": "scout.hugen.tokyo/scout/stackoverflow",
  "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 Stack Overflow for developer Q&A, solutions, and best practices. AI agent API for technical knowledge retrieval. Accepts USDC payments on Base and Solana",
    "extensions": {
      "bazaar": {
        "category": "search",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "async await"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "multi-source",
          "x402",
          "structured-json"
        ]
      }
    },
    "lastUpdated": "2026-10-21T03:14:35.065Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-21T03:14:34.307Z"
    },
    "resource": "https://scout.hugen.tokyo/scout/stackoverflow",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search Stack Overflow for developer Q&A, solutions, and best practices. AI agent API for technical knowledge retrieval. Accepts USDC payments on Base and Solana"
}

What the leaf hashes

{"body":"5a88b7569d235fb24658929a0f1f2b882ef2fbeb284cebe06b0e2d5789391648","id":120981,"kind":"listing","method":"baseline/1","observed_us":1793025619079734,"prev":null,"subject":"x402_bazaar:https://scout.hugen.tokyo/scout/stackoverflow","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. 0xdbc0845c96b9b44e1bee797ee4ff509bb92b10d848ddbfd7f43de97b853907a9
2. 0x7a0c12338941fb903efc0df9e01acaf1ecfb847acc1b5d1b0fd9880f750fb279
3. 0x63166ec81d884ea36def423fdef0860d63470bacdd0ac661d40bed71ec090ee9
4. 0xd89df8829f67101f6bce0aa32dfa3858a2cff375c1095ba69764f0c493eae592
5. 0x6db98d20aeaf422da9e87e23e174ae0ccec550b64e1ca0aac38982adae4f8299
6. 0x8091827433213ca4181029014b7e739b0d69558940550bbd146cbebd47723cb3
7. 0x9bac0dc60d185c9ef12566e3537f13587ac32109ef0fd0bf20dbe1d03df3ed63
8. 0x7f67d871f4faabc572974d62de8fe517b212a45dd7d17b1269edebebec4ca90e
9. 0xb12bf79b1127ae95b792528a83a4feec56a64daf72dfb69f7beeb7a0a4b7f092
10. 0xafea070fa3cd55d0c50ec39d914de8a0022e87d64becb9dc6998df49697576c3
11. 0x7ec512db50ffb560b82f17e53667bcea802a69de4d98e67a44363985fac7f4da
12. 0x4b7a7525bd11eaa3154ce1b1171d1b54b83370163f39203e230c520e42560c4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae