ToolVet
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Micro Quantum Measurement Uncertainty

by Measurement uncertainty in Other

x402 APIPassing, checked 1 h ago

For agents reviewing shot-count results: return probabilities and binomial confidence intervals with the interval method and independence assumptions.

POST https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
272 ms typical, 455 ms slowest 5%
Last check
1 h ago
Next check
any minute now

How to call it

POST https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty

Each call costs $0.012001 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty
content-type: application/json

{
  "counts": [
    50,
    50
  ],
  "dataClass": "synthetic"
}

Parameters

ParameterTypeRequiredDescription
countsarrayYes
dataClassstringYes One of: public, synthetic.

Example response

The provider's example. We can't check it without paying.

Example response, 31 lines
{
  "amountBaseUnits": "12001",
  "boundaries": [
    "Public or synthetic inputs only. Caller labels are declarations,…"
  ],
  "inputDigest": "sha256:5f869a55498f110d3eae1f72a39aab2e1306024a02b3adb7809080774…",
  "offerId": "quantum-measurement-uncertainty",
  "receiptDigest": "sha256:d5a6c36624ecadf2f1c59a03ee9bcca4d3738f542f3e73b037a45a958…",
  "result": {
    "findings": {
      "coverage": "95% marginal per outcome; not simultaneous multinomial coverage",
      "intervals": [
        {
          "lower": 0.403831530366,
          "upper": 0.596168469634
        }
      ],
      "method": "Wilson-score-binomial",
      "probabilities": [
        0.5
      ],
      "shots": 100
    },
    "limitations": [
      "Public or synthetic research inputs only; no patient, personal g…"
    ],
    "methodVersion": "maha-science50/1.0.0",
    "numericPrecision": "IEEE754-double; finite outputs rounded to 12 significant digits"
  },
  "version": "maha-microproducts/0.1"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.012001.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty' \
  -H 'content-type: application/json' \
  --data-raw '{"counts":[50,50],"dataClass":"synthetic"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty' \
  -H 'content-type: application/json' \
  --data-raw '{"counts":[50,50],"dataClass":"synthetic"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.012001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.012001" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.012001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fmicro%2Fquantum-measurement-uncertainty&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "counts": [
      50,
      50
    ],
    "dataClass": "synthetic"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.012001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.012001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://www.mahastrategies.com/api/v1/micro/quantum-measurement-uncertainty",
        json={
            "counts": [
                50,
                50,
            ],
            "dataClass": "synthetic",
        },
    )
    print(res.status_code, res.text)

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