Evidence row 60853

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-data-tools.revmesh2074.workers.dev/ai/model/gpt-oss-20b"
    ]
  ],
  "name": "GPT-OSS 20B chat API",
  "owner_address": "0x2074c40346ae2a90e0e4a391bcee6f16bf5277f5",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "82wfSCZhCmZA7zwqqt6Q3FG8nqYBwUvbThP6M97fa9Q6",
        "scheme": "exact"
      }
    ],
    "description": "GPT-OSS 20B chat API. Chat with OpenAI's open-weight gpt-oss-20b reasoning model (Apache 2.0) through one paid HTTP call: send a prompt and an optional system prompt, get the answer, up to 1,024 output tokens. Also reachable as model \"gpt-oss-20b\" on the OpenAI-compatible /v1/chat/completions. No account or provider key. Use when an agent wants this model by name.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "prompt": "Explain x402 in one sentence."
            },
            "type": "http"
          },
          "output": {
            "example": {
              "model": "@cf/openai/gpt-oss-20b",
              "response": "x402 lets software pay for an HTTP request with a stablecoin by answering a 402 Payment Required challenge."
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "maxTokens": {
                      "description": "Maximum output tokens, 1-1024 (default 400)",
                      "examples": [
                        200
                      ],
                      "type": "integer"
                    },
                    "prompt": {
                      "description": "User prompt, up to 8,000 characters",
                      "examples": [
                        "Explain x402 in one sentence."
                      ],
                      "type": "string"
                    },
                    "system": {
                      "description": "Optional system prompt, up to 2,000 characters",
                      "examples": [
                        "You are a concise assistant."
                      ],
                      "type": "string"
                    },
                    "temperature": {
                      "description": "0-1.5 (default 0.6)",
                      "examples": [
                        0.6
                      ],
                      "type": "number"
                    }
                  },
                  "required": [
                    "prompt"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "model": {
                      "type": "string"
                    },
                    "response": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_09e30bdm"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792567527/bazaar-icons/a67d2da18841a325.png",
    "lastUpdated": "2026-10-25T20:45:32.753Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T20:45:31.891Z"
    },
    "resource": "https://agent-data-tools.revmesh2074.workers.dev/ai/model/gpt-oss-20b",
    "serviceName": "GPT-OSS 20B chat API",
    "tags": [
      "gpt-oss",
      "openai",
      "llm",
      "chat-completions",
      "ai"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "GPT-OSS 20B chat API. Chat with OpenAI's open-weight gpt-oss-20b reasoning model (Apache 2.0) through one paid HTTP call: send a prompt and an optional system prompt, get the answer, up to 1,024 output tokens. Also reachable as model \"gpt-oss-20b\" on the OpenAI-compatible /v1/chat/completions. No account or provider key. Use when an agent wants this model by name."
}

What the leaf hashes

{"body":"d97579648648880c845c36e30616d9b10294da5771ca32531d8e655e674fd1ca","id":60853,"kind":"listing","method":"baseline/1","observed_us":1793025449413845,"prev":null,"subject":"x402_bazaar:https://agent-data-tools.revmesh2074.workers.dev/ai/model/gpt-oss-20b","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. 0xa74ef2d4397837d392d0e8cacb38884018f52faabbca6baba4c5971d2f2bfb85
2. 0x1675ac09ab8d0e9249782bf0b5f5534fd1ef659aac3271d26772fbb9ea72b28f
3. 0xe85ac43548da5e183a2e39aceacc30a5326dde512cd24cc354a497c633f0556e
4. 0x3dde4e5665735546578df1edf50a10c6f38df15d919ac49d4eb8a4c3dd25688d
5. 0x4c07deaa7bda948f8b1ec796e270e3130b221399c82e1ac72110d3d00af7d422
6. 0xfb73c750c5b637889b4a4e10e2ac5dffb31a3ff50bb95b96cc1e0761927659cc
7. 0x4368682ec7bbaa11cfb235f7429ca486982ec48c4209f54e8c7598cad5aa7c34
8. 0x6cb7ceb6a95200a4b87266e92db738037921d8ac3c18f4dd0fb0aa58a2bfa091
9. 0x8a42d9ca233eeab189f3f26e997112580bb65b31f6fb467e8ac2dfd68ea759fb
10. 0xc6522fc337627b139352697525c95afa35480881a993f2a3b3ab321aa6e7ac50
11. 0xfd7db9a5ff472cfefafacbeb7f7f7dc6fc7e28e7e0d99e3b79d231f0d5f46aee
12. 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae