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Evidence row 547730

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://ask.singitai.app/v1/chat/gpt-5.6-terra
Recorded
Previous row
#526607
Body SHA-256
b6cebadcf109432247c1dcc84b2fee8aaeb64b3148a77d786578ccc620fd3f44
Leaf
0x116e4f7d735f9398493873de1f51eb5fe873f9a887bf55929535caa805be7e44

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ask.singitai.app/v1/chat/gpt-5.6-terra"
    ]
  ],
  "name": "SingIt GPT-5.6 Terra Chat",
  "owner_address": "0xc23d1dc0f5fce1abffb051e06cb93f0329968b4e",
  "raw": {
    "accepts": [
      {
        "amount": "1500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "billing": {
            "markupBps": 3000,
            "maxChargeAtomic": "1500",
            "mode": "actual_usage",
            "settlementFeeAtomic": "1000",
            "version": 1
          },
          "facilitatorAddress": "0x42dd53906B49c202E8E934b059dc019E04634b00",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e",
        "scheme": "upto"
      },
      {
        "amount": "2385",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "billing": {
            "markupBps": 3000,
            "maxChargeAtomic": "2385",
            "mode": "actual_usage",
            "settlementFeeAtomic": "2000",
            "version": 1
          },
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "paymentFlow": "escrow",
          "receiverAuthorizer": "9dpHxn3XFZMZv59vE5MKxhfwGUCCgkcCUzYZLpdEm7ox",
          "tokenProgram": "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
          "withdrawDelay": 300
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu",
        "scheme": "upto"
      },
      {
        "amount": "1500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "billing": {
            "markupBps": 3000,
            "maxChargeAtomic": "1500",
            "mode": "exact_ceiling",
            "settlementFeeAtomic": "1000",
            "version": 1
          },
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e",
        "scheme": "exact"
      },
      {
        "amount": "2116",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "billing": {
            "markupBps": 3000,
            "maxChargeAtomic": "2116",
            "mode": "exact_ceiling",
            "settlementFeeAtomic": "2000",
            "version": 1
          },
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu",
        "scheme": "exact"
      }
    ],
    "description": "GPT-5.6 Terra (OpenAI) LLM chat completions, OpenAI-compatible, with no API key or account. Another GPT-5.6 variant from OpenAI: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.6 Terra specifically. Served by SingIt.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "max_tokens": 400,
              "messages": [
                {
                  "content": "Where is good coffee near the Colosseum? (via GPT-5.6 Terra)",
                  "role": "user"
                }
              ],
              "model": "gpt-5.6-terra"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billing": {
                "currency": "USDC",
                "markupAtomic": "2",
                "markupBps": 3000,
                "maxChargeAtomic": "3000",
                "mode": "actual_usage",
                "providerCostAtomic": "6",
                "settlementFeeAtomic": "1000",
                "totalAtomic": "1008",
                "version": 1
              },
              "choices": [
                {
                  "finish_reason": "stop",
                  "index": 0,
                  "message": {
                    "content": "Around the Colosseum, try Caffè Propaganda on Via Claudia or Bar Martini for an espresso with a view.",
                    "role": "assistant"
                  }
                }
              ],
              "created": 1791932400,
              "id": "singit-ask-1791932400000",
              "model": "singit-ask",
              "object": "chat.completion",
              "usage": {
                "buyer_cost_micro": 6,
                "completion_tokens": 31,
                "prompt_tokens": 14,
                "total_tokens": 45
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "max_tokens": {
                      "default": 800,
                      "description": "The longest answer, in tokens. The payment ceiling grows with it; the charge follows what was used.",
                      "maximum": 1200,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "messages": {
                      "description": "The conversation, oldest first.",
                      "items": {
                        "properties": {
                          "content": {
                            "description": "Plain text; all messages together under 24000 characters.",
                            "type": "string"
                          },
                          "role": {
                            "enum": [
                              "system",
                              "user",
                              "assistant"
                            ],
                            "type": "string"
                          }
                        },
                        "required": [
                          "role",
                          "content"
                        ],
                        "type": "object"
                      },
                      "maxItems": 40,
                      "minItems": 1,
                      "type": "array"
                    },
                    "model": {
                      "description": "Any model id from GET /v1/models; the ceiling follows its price. Omit for the default model.",
                      "examples": [
                        "deepseek-v4.1-flash",
                        "claude-opus-5.5",
                        "gpt-5.5",
                        "gemini-3.1-pro"
                      ],
                      "type": "string"
                    },
                    "stream": {
                      "description": "Streaming is not offered.",
                      "enum": [
                        false
                      ],
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "messages"
                  ]
                },
                "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": {
                  "properties": {
                    "billing": {
                      "description": "What was charged, in USDC micro-units",
                      "properties": {
                        "currency": {
                          "const": "USDC",
                          "type": "string"
                        },
                        "markupAtomic": {
                          "type": "string"
                        },
                        "providerCostAtomic": {
                          "type": "string"
                        },
                        "totalAtomic": {
                          "description": "The amount settled",
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "choices": {
                      "items": {
                        "properties": {
                          "finish_reason": {
                            "description": "stop, or length when max_tokens ended the answer",
                            "type": "string"
                          },
                          "index": {
                            "type": "integer"
                          },
                          "message": {
                            "properties": {
                              "content": {
                                "type": "string"
                              },
                              "role": {
                                "type": "string"
                              }
                            },
                            "type": "object"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "created": {
                      "description": "Unix seconds",
                      "type": "integer"
                    },
                    "id": {
                      "type": "string"
                    },
                    "model": {
                      "type": "string"
                    },
                    "object": {
                      "const": "chat.completion",
                      "type": "string"
                    },
                    "usage": {
                      "description": "Token counts and the model's own cost in micro-USD (buyer_cost_micro)",
                      "type": "object"
                    }
                  },
                  "required": [
                    "choices",
                    "billing"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_is3fuv36"
        },
        "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}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {
        "info": {
          "description": "The facilitator accepts EIP-2612 gasless Permit to `Permit2` canonical contract.",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "amount": {
              "description": "The amount to approve (uint256). Typically MaxUint.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "asset": {
              "description": "The address of the ERC-20 token contract.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "deadline": {
              "description": "The timestamp at which the signature expires.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "from": {
              "description": "The address of the sender.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "nonce": {
              "description": "The current nonce of the sender.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "signature": {
              "description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "description": "The address of the spender (Canonical Permit2).",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "version": {
              "description": "Schema version identifier.",
              "pattern": "^[0-9]+(\\.[0-9]+)*$",
              "type": "string"
            }
          },
          "required": [
            "from",
            "asset",
            "spender",
            "amount",
            "nonce",
            "deadline",
            "signature",
            "version"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792921332/bazaar-icons/a240c598b3f928d1.png",
    "lastUpdated": "2026-10-27T16:49:32.438Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T16:49:31.986Z"
    },
    "resource": "https://ask.singitai.app/v1/chat/gpt-5.6-terra",
    "serviceName": "SingIt GPT-5.6 Terra Chat",
    "tags": [
      "llm",
      "chat-completions",
      "gpt-5.6-terra",
      "openai",
      "openai-compatible"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "GPT-5.6 Terra (OpenAI) LLM chat completions, OpenAI-compatible, with no API key or account. Another GPT-5.6 variant from OpenAI: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.6 Terra specifically. Served by SingIt."
}

What the leaf hashes

{"body":"b6cebadcf109432247c1dcc84b2fee8aaeb64b3148a77d786578ccc620fd3f44","id":547730,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133215262235,"prev":526607,"subject":"x402_bazaar:https://ask.singitai.app/v1/chat/gpt-5.6-terra","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x116e411b36c04d6f8273bf6838844d1f1ebc96fffdd83fce131205c465510f17
  2. 0xec954b35a0b9c48819ed8be5e07c757983f8391141b4787d9b8ede4276dca667
  3. 0xfb9ae63514889442ac8a0b10ac57ab127b147e0ac758d7436343b66315facfd9
  4. 0xe9e8e02f42e79c801f738991c6ddf26369ecdc71f273dc387d1f7a03ca3f7c54
  5. 0x109b3ff71d0538c160d17893800c47226ed71ee68b76bf9af8ccc51b05a0a1e4
  6. 0x657cf7736966f86c3e7f09f618f73ac3fc77560a433aec62eba106fefd13259c
  7. 0xc3dce31ba4bcd7d9ace45b632f8448957a7bad48e8b0948523cdbf1d4809baee
  8. 0xb6508b920e1dce1c6967f8913ef2522726e98f623b95b21f990ed8e0dcb3a2b2
  9. 0x46befdc99cd2465f353ae33dec021e93bdae18bf723d009d2e7af3d810865a5b
  10. 0x2d9fb1e59edc49eaba49a011bca6bab3caf7294d9a890adcf434656e3e3da20b
  11. 0x1cbfc3174d380856d91d5d8671de3295675aa53e10c03d319a246544c0421064
  12. 0x7578555e40efa7fabcea1fc203440565253b358954d398ba44e9e10d228eb3b9
  13. 0xedf6ab3c3733ce137d888d3e5f7006ba77ab04b8f1fe576519f7b056959665ee
  14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
  15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
  16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
  17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON