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Evidence row 118621

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/bigNumberArithmetic
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0b461e23ea837dd6360645f48ca68f50c54093c0f844f1f533267840d41face0
Leaf
0x238f517054b0144055d3e8bfd813ab1c826ee9731a7e197dc93ff81c54c0ccb9

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/bigNumberArithmetic"
    ]
  ],
  "name": "Sindri",
  "owner_address": "0x548efd4f4d4a5c3669dbb4cbb2b1a637feeec5f6",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x548eFd4f4d4A5C3669dbb4CBB2B1A637FeeEc5F6",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "APer2AbhckyMWyJanW2MZ2eRLcpL9Lmhks8rkmXfqjRG",
        "scheme": "exact"
      }
    ],
    "description": "Arbitrary-precision integer arithmetic (add, subtract, multiply, power) beyond IEEE-754 float precision, using native BigInt. Operands are passed as digit strings so precision is never lost in transit. For power, the combined magnitude (base digit count x exponent) is capped at 50000 to bound response size, in addition to the per-operand digit cap and exponent cap.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "a": "123456789123456789",
              "b": "987654321987654321",
              "operation": "add"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "params": {
                  "a": "123456789123456789",
                  "b": "987654321987654321",
                  "operation": "add"
                },
                "result": "1111111111111111110"
              },
              "ok": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "a": {
                      "description": "First operand, as a string of digits (optionally negative). Max 1000 digits.",
                      "type": "string"
                    },
                    "b": {
                      "description": "Second operand (or exponent for power), as a string of digits. Max 1000 digits (max 1000 for exponent on power).",
                      "type": "string"
                    },
                    "operation": {
                      "description": "Operation to perform.",
                      "enum": [
                        "add",
                        "subtract",
                        "multiply",
                        "power"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "a",
                    "b",
                    "operation"
                  ],
                  "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"
        }
      },
      "builder-code": {
        "info": {
          "a": "x402_api_vendor",
          "s": [
            "cdp_sdk_server"
          ]
        },
        "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": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-23T13:42:31.923Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-23T13:42:31.796Z"
    },
    "resource": "https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/bigNumberArithmetic",
    "serviceName": "Sindri",
    "tags": [
      "big number arithmetic",
      "arbitrary precision",
      "bigint math"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Arbitrary-precision integer arithmetic (add, subtract, multiply, power) beyond IEEE-754 float precision, using native BigInt. Operands are passed as digit strings so precision is never lost in transit. For power, the combined magnitude (base digit count x exponent) is capped at 50000 to bound response size, in addition to the per-operand digit cap and exponent cap."
}

What the leaf hashes

{"body":"0b461e23ea837dd6360645f48ca68f50c54093c0f844f1f533267840d41face0","id":118621,"kind":"listing","method":"baseline/1","observed_us":1793025613524432,"prev":null,"subject":"x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/bigNumberArithmetic","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.

How to check it · This row as JSON