Evidence row 121223

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://shop.netlobo.com/quick-brief"
    ]
  ],
  "name": "Plainsight",
  "owner_address": "0x932f750f468988822a0c8490e1bda503bc7613ac",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x932f750F468988822a0c8490e1Bda503Bc7613aC",
        "scheme": "exact"
      }
    ],
    "description": "Quick brief: a short 2-3 sentence research answer on any topic — the cheap first call of the full research brief.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "topic": "cost of a Base mainnet USDC transfer"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "brief": "…2-3 sentences: the number, why it matters, what it means…",
              "sources": [
                {
                  "title": "…web source title…",
                  "url": "https://…"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "topic": {
                      "description": "subject of the quick (2-3 sentence) brief",
                      "maxLength": 200,
                      "type": "string"
                    }
                  },
                  "required": [
                    "topic"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-07T04:52:29.177Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-07T04:52:27.985Z"
    },
    "resource": "https://shop.netlobo.com/quick-brief",
    "serviceName": "Plainsight",
    "tags": [
      "research",
      "brief",
      "quick"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Quick brief: a short 2-3 sentence research answer on any topic — the cheap first call of the full research brief."
}

What the leaf hashes

{"body":"96ca504b055d1bc1140f55fc9448248f29705858114fb60d60c98ddd118db197","id":121223,"kind":"listing","method":"baseline/1","observed_us":1793025619639107,"prev":null,"subject":"x402_bazaar:https://shop.netlobo.com/quick-brief","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. 0xf09ffb44813dc9789e0ae6663d3b588aa474cd73021ddc11d672fcf4023b40bb
2. 0x0c3d090c587807a6e3a2a8213f071d6902d7ecfe927d995ca589a0d67cf5698c
3. 0xeea00e87ba8ca47fdda200997e4536b92fc9b5868eb3ce7aff1ae5cae254186a
4. 0xe5fcc183cefa949abb2c5e8dc13076aba2246557f258ac2bdc65fcfa222cb727
5. 0xc7d571240e0a158764791b473d89ecf01e7c39a95a7a8b3aa45556cd109647c8
6. 0x713a3d3be581d9d0ad3f0986c9bc35194d7de79d3225b8c040193ccba462200b
7. 0xfa8a00686f38a67568e82195ca9d070fff0ea16ec12e01db33c65eb20bf1216e
8. 0x50aabac9fbc29e6c6575ac0ae3fa4b5f56a71097b6418251196d042f19734945
9. 0xc6bacaeb5d284aac69e213ab009de999334537e277df11bd72d1cc3bd6a34e0c
10. 0x389d97fa6eba88bb8e335e895af9e7f0303b1e8f95715aa7815d36f1ba2bfcf5
11. 0x514d76e971925e71327eba8800da6dbdf3c60a7c174890b0694dc64fd775ac72
12. 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae