ToolVet
75trust / 100

Evidence Manifest

by Context Passage Manifest Check in Documents & files

x402 APIPassing, checked 5 h ago

Compare up to 128 expected passage bindings with up to 128 retained descriptors by passage ID, parent document, version hash and chunk hash. Flags omissions, substitutions, repeats and ordering gaps. Public/synthetic metadata only; does not inspect prompts or prove what a model saw or used. New modular adapter: retained result recovery for 24 hours, minimal receipt metadata for 90 days. Existing live route unchanged.

POST https://www.mahastrategies.com/api/v1/context/evidence/manifest

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
100%
Response time
187 ms typical, 187 ms slowest 5%
Last check
5 h ago
Next check
in 26 min

How to call it

POST https://www.mahastrategies.com/api/v1/context/evidence/manifest

Each call costs $0.010015 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/context/evidence/manifest
content-type: application/json

{
  "dataClass": "synthetic",
  "expected": [
    {
      "chunkHash": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
      "parentDocumentId": "document-1",
      "passageId": "passage-1",
      "versionHash": "sha256:1111111111111111111111111111111111111111111111111111111111111111"
    }
  ],
  "retained": [
    {
      "chunkHash": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
      "ordinal": 0,
      "parentDocumentId": "document-1",
      "passageId": "passage-1",
      "versionHash": "sha256:1111111111111111111111111111111111111111111111111111111111111111"
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
dataClassstringYes One of: public, synthetic.
expectedarrayYes
retainedarrayYes

Example response

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

Example response, 27 lines
{
  "data": {
    "chargedAmount": "10015",
    "inputHash": "sha256:7184d861bba23f1c38946a3129a0bce276d92b1ee2a0ec7b6a0697c4c…",
    "limitations": [
      "Public or synthetic inputs only. Caller labels are declarations,…"
    ],
    "productId": "context-manifest-check",
    "result": {
      "missingPassageIds": [],
      "modelUseVerified": false,
      "orderingGaps": [],
      "promptInspected": false,
      "repeatedPassageIds": [],
      "state": "consistent-declarations",
      "substitutedPassageIds": [],
      "unexpectedPassageIds": []
    },
    "resultHash": "sha256:223f6e0ed5544e471da8fb42c24913b6542fc453d396505014ebe969b…",
    "sourceContractAmount": "87000",
    "version": "maha-legacy-adapter/1"
  },
  "proof": {
    "settlement_id": "0x00000000000000000000000000000000000000000000000000000000000000…"
  },
  "success": true
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.010015.

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/context/evidence/manifest' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","expected":[{"chunkHash":"sha256:2222222222222222222222222222222222222222222222222222222222222222","parentDocumentId":"document-1","passageId":"passage-1","versionHash":"sha256:1111111111111111111111111111111111111111111111111111111111111111"}],"retained":[{"chunkHash":"sha256:2222222222222222222222222222222222222222222222222222222222222222","ordinal":0,"parentDocumentId":"document-1","passageId":"passage-1","versionHash":"sha256:1111111111111111111111111111111111111111111111111111111111111111"}]}'

# 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/context/evidence/manifest' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","expected":[{"chunkHash":"sha256:2222222222222222222222222222222222222222222222222222222222222222","parentDocumentId":"document-1","passageId":"passage-1","versionHash":"sha256:1111111111111111111111111111111111111111111111111111111111111111"}],"retained":[{"chunkHash":"sha256:2222222222222222222222222222222222222222222222222222222222222222","ordinal":0,"parentDocumentId":"document-1","passageId":"passage-1","versionHash":"sha256:1111111111111111111111111111111111111111111111111111111111111111"}]}' \
  | 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 $0.010015 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.010015" });
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 $0.010015 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fcontext%2Fevidence%2Fmanifest&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/context/evidence/manifest", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "dataClass": "synthetic",
    "expected": [
      {
        "chunkHash": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
        "parentDocumentId": "document-1",
        "passageId": "passage-1",
        "versionHash": "sha256:1111111111111111111111111111111111111111111111111111111111111111"
      }
    ],
    "retained": [
      {
        "chunkHash": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
        "ordinal": 0,
        "parentDocumentId": "document-1",
        "passageId": "passage-1",
        "versionHash": "sha256:1111111111111111111111111111111111111111111111111111111111111111"
      }
    ]
  }),
});
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 $0.010015 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.010015"})
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/context/evidence/manifest",
        json={
            "dataClass": "synthetic",
            "expected": [
                {
                    "chunkHash": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
                    "parentDocumentId": "document-1",
                    "passageId": "passage-1",
                    "versionHash": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
                },
            ],
            "retained": [
                {
                    "chunkHash": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
                    "ordinal": 0,
                    "parentDocumentId": "document-1",
                    "passageId": "passage-1",
                    "versionHash": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
5 h agoPassed402187 ms$0.01