Evidence row 59757

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kair-os.trade/x402-recommend/recommend"
    ]
  ],
  "name": "kair-os.trade/x402-recommend/recommend",
  "owner_address": "0x2a40c1e882e511e363fb5eda842ac4cb50cdca2f",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2A40C1E882e511e363Fb5EdA842Ac4Cb50cDcA2F",
        "scheme": "exact"
      }
    ],
    "description": "Find up to five exploratory Base USDC x402 services for a task and budget, using a refreshed partial Coinbase/PayAI catalogue, Jev advertised relevance and freshly observed matching 402 prices. Returning non-robot payer counts and service fulfillment remain unknown; these suggestions do not establish a best service.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "besoin": "Check whether a Base token can be bought and sold, with effective transfer taxes.",
              "budget_usdc": "0.02"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "rankBasis": "advertised_relevance_and_observed_price",
              "recommendations": [
                {
                  "method": "POST",
                  "methodEvidence": "bazaar_challenge",
                  "nonRobotPayers": null,
                  "price_usdc": "0.02",
                  "probeMethod": "POST",
                  "returningPayers": null,
                  "url": "https://kair-os.trade/token-verdict/verdict",
                  "usageQualityVerified": false
                }
              ],
              "status": "ok",
              "usageQualityVerified": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "besoin": {
                      "maxLength": 1200,
                      "minLength": 1,
                      "type": "string"
                    },
                    "budget_usdc": {
                      "anyOf": [
                        {
                          "pattern": "^(0|[1-9][0-9]{0,17})(\\.[0-9]{1,6})?$",
                          "type": "string"
                        },
                        {
                          "minimum": 0,
                          "type": "number"
                        }
                      ],
                      "description": "Maximum price per suggested service, in USDC; at most six decimal places."
                    }
                  },
                  "required": [
                    "besoin",
                    "budget_usdc"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T06:06:05.358Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T06:06:04.955Z"
    },
    "resource": "https://kair-os.trade/x402-recommend/recommend",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find up to five exploratory Base USDC x402 services for a task and budget, using a refreshed partial Coinbase/PayAI catalogue, Jev advertised relevance and freshly observed matching 402 prices. Returning non-robot payer counts and service fulfillment remain unknown; these suggestions do not establish a best service."
}

What the leaf hashes

{"body":"3ddc0cb6d8e29b681e16cd785924c7fe97fdddc1c22146c9aebd5846fa2d8c34","id":59757,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025447262580,"prev":null,"subject":"x402_bazaar:https://kair-os.trade/x402-recommend/recommend","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. 0xa9b1c4fdbb47c60af829a6bda400c3580cfb4be2474a2c84022372c5c322f18e
2. 0xd83030add06b62461d97bf7cdb2617b99016053eb101bdadd0b3b40d08f478d5
3. 0xb67f03b7942676b4528faf69241238a26cbd0f8a7f4d8e7fdfd100e08c1e4dd4
4. 0x1fea7e110520c9f75c4067c18c324ea1ef4cbbbca3f1822bd2c829ba2dbd898c
5. 0x25aa681f345504ba16bad160f0a96758d214d49af5c0107cd08b3d08a25b82bb
6. 0x19a3ccb2c1f351716eb9cfad628a6c569040dbada6614a72e17af8057c3a46d4
7. 0x064e209e1d3bd88d55631aa97876f5964b00e894ded95b5323331bf49612d94d
8. 0x7054d1ffa122ac459f8bc66487db0c0f7eeebdfd9e85170e98f846c88d774c50
9. 0x82d9ae554aa7cec8f51a37c603e34e767e325b0595e6cdd1f431b89b2f287159
10. 0xdafe89e6fd113360e44ef4b5cf78f02090d7d8c58f90801b9c55d378ade0c6ae
11. 0x55ba80743bf45624f0b04651dfd0a37e2a85f91f45e334ff14efbb74a49dd361
12. 0x09a19b8d31a6e948e5051cb72b98b1d2b2bfe053f62d6d24d61c22b3ed1c3f24
13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae