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Publications Retrieve

by Publication Release Pin Audit in Developer tools

x402 APIPassing, checked 4 h ago

Validate one caller-supplied public/synthetic publication artifact and compare its computed release and license commitments with a declared pin. Returns hashes and mismatches, not draft text. No database, source fetching, factual certification or publication approval.

POST
https://www.mahastrategies.com/api/v1/library/publications/retrieve
Price
$0.05
per call in USDC
Uptime
100%
last 30 days
Response time
218 ms
466 ms slowest 5%
Last check
Passed
4 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://www.mahastrategies.com/api/v1/library/publications/retrieve

Each call costs $0.050002 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/library/publications/retrieve
content-type: application/json

{
  "artifact": {
    "artifactSha256": "sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060",
    "author": "Codex — AI drafting and source review",
    "boundary": "Local development only. Cryptographically signed authorizations and simulated settlement; no token balance, funds transfer, RPC call or public publication.",
    "collectionId": "agent-infrastructure-evidence",
    "contentSha256": "sha256:128bbeca75a55df0ee4787b7c9b7fe393f160d60c02f9386587def49deb87924",
    "editorial": {
      "humanApproval": "pending",
      "scope": "local-development-only",
      "sourceReview": "Synthetic fixture only."
    },
    "findings": [
      {
        "id": "finding1",
        "sourceIds": [
          "source1"
        ],
        "statement": "Synthetic finding, not evidence."
      }
    ],
    "license": {
      "copyrightTransferred": false,
      "grant": "Non-exclusive internal analysis, grounding and caching of this local preview. Preserve source attribution and review disclosures.",
      "id": "maha-local-internal-use-v1",
      "modelTrainingRightsGranted": false,
      "publicPublicationAuthorized": false,
      "redistributionAllowed": false,
      "resaleAllowed": false
    },
    "licenseSha256": "sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1",
    "limitations": [
      "Synthetic fixture, no evidence."
    ],
    "markdown": "SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. ",
    "publicationId": "synthetic-review",
    "releaseId": "1.0.0",
    "releasedOn": "2026-10-15",
    "schemaVersion": "maha-agent-publication/1",
    "sources": [
      {
        "id": "source1",
        "inspectedOn": "2026-10-15",
        "locator": "1",
        "title": "Example",
        "url": "https://example.org"
      }
    ],
    "summary": "Synthetic fixture, not research.",
    "title": "Synthetic example"
  },
  "dataClass": "synthetic",
  "pin": {
    "artifactSha256": "sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060",
    "licenseSha256": "sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1",
    "publicationId": "synthetic-review",
    "releaseId": "1.0.0"
  }
}

Parameters

ParameterTypeRequiredDescription
artifactobjectYes
dataClassstringYes One of: public, synthetic.
pinobjectYes

Example response

The listing has no example response.

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.050002.

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/library/publications/retrieve' \
  -H 'content-type: application/json' \
  --data-raw '{"artifact":{"artifactSha256":"sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060","author":"Codex \u2014 AI drafting and source review","boundary":"Local development only. Cryptographically signed authorizations and simulated settlement; no token balance, funds transfer, RPC call or public publication.","collectionId":"agent-infrastructure-evidence","contentSha256":"sha256:128bbeca75a55df0ee4787b7c9b7fe393f160d60c02f9386587def49deb87924","editorial":{"humanApproval":"pending","scope":"local-development-only","sourceReview":"Synthetic fixture only."},"findings":[{"id":"finding1","sourceIds":["source1"],"statement":"Synthetic finding, not evidence."}],"license":{"copyrightTransferred":false,"grant":"Non-exclusive internal analysis, grounding and caching of this local preview. Preserve source attribution and review disclosures.","id":"maha-local-internal-use-v1","modelTrainingRightsGranted":false,"publicPublicationAuthorized":false,"redistributionAllowed":false,"resaleAllowed":false},"licenseSha256":"sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1","limitations":["Synthetic fixture, no evidence."],"markdown":"SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. ","publicationId":"synthetic-review","releaseId":"1.0.0","releasedOn":"2026-10-15","schemaVersion":"maha-agent-publication/1","sources":[{"id":"source1","inspectedOn":"2026-10-15","locator":"1","title":"Example","url":"https://example.org"}],"summary":"Synthetic fixture, not research.","title":"Synthetic example"},"dataClass":"synthetic","pin":{"artifactSha256":"sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060","licenseSha256":"sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1","publicationId":"synthetic-review","releaseId":"1.0.0"}}'

# 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/library/publications/retrieve' \
  -H 'content-type: application/json' \
  --data-raw '{"artifact":{"artifactSha256":"sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060","author":"Codex \u2014 AI drafting and source review","boundary":"Local development only. Cryptographically signed authorizations and simulated settlement; no token balance, funds transfer, RPC call or public publication.","collectionId":"agent-infrastructure-evidence","contentSha256":"sha256:128bbeca75a55df0ee4787b7c9b7fe393f160d60c02f9386587def49deb87924","editorial":{"humanApproval":"pending","scope":"local-development-only","sourceReview":"Synthetic fixture only."},"findings":[{"id":"finding1","sourceIds":["source1"],"statement":"Synthetic finding, not evidence."}],"license":{"copyrightTransferred":false,"grant":"Non-exclusive internal analysis, grounding and caching of this local preview. Preserve source attribution and review disclosures.","id":"maha-local-internal-use-v1","modelTrainingRightsGranted":false,"publicPublicationAuthorized":false,"redistributionAllowed":false,"resaleAllowed":false},"licenseSha256":"sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1","limitations":["Synthetic fixture, no evidence."],"markdown":"SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. ","publicationId":"synthetic-review","releaseId":"1.0.0","releasedOn":"2026-10-15","schemaVersion":"maha-agent-publication/1","sources":[{"id":"source1","inspectedOn":"2026-10-15","locator":"1","title":"Example","url":"https://example.org"}],"summary":"Synthetic fixture, not research.","title":"Synthetic example"},"dataClass":"synthetic","pin":{"artifactSha256":"sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060","licenseSha256":"sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1","publicationId":"synthetic-review","releaseId":"1.0.0"}}' \
  | 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 $0.050002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.050002" });
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 $0.050002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Flibrary%2Fpublications%2Fretrieve&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/library/publications/retrieve", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "artifact": {
      "artifactSha256": "sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060",
      "author": "Codex \u2014 AI drafting and source review",
      "boundary": "Local development only. Cryptographically signed authorizations and simulated settlement; no token balance, funds transfer, RPC call or public publication.",
      "collectionId": "agent-infrastructure-evidence",
      "contentSha256": "sha256:128bbeca75a55df0ee4787b7c9b7fe393f160d60c02f9386587def49deb87924",
      "editorial": {
        "humanApproval": "pending",
        "scope": "local-development-only",
        "sourceReview": "Synthetic fixture only."
      },
      "findings": [
        {
          "id": "finding1",
          "sourceIds": [
            "source1"
          ],
          "statement": "Synthetic finding, not evidence."
        }
      ],
      "license": {
        "copyrightTransferred": false,
        "grant": "Non-exclusive internal analysis, grounding and caching of this local preview. Preserve source attribution and review disclosures.",
        "id": "maha-local-internal-use-v1",
        "modelTrainingRightsGranted": false,
        "publicPublicationAuthorized": false,
        "redistributionAllowed": false,
        "resaleAllowed": false
      },
      "licenseSha256": "sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1",
      "limitations": [
        "Synthetic fixture, no evidence."
      ],
      "markdown": "SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. ",
      "publicationId": "synthetic-review",
      "releaseId": "1.0.0",
      "releasedOn": "2026-10-15",
      "schemaVersion": "maha-agent-publication/1",
      "sources": [
        {
          "id": "source1",
          "inspectedOn": "2026-10-15",
          "locator": "1",
          "title": "Example",
          "url": "https://example.org"
        }
      ],
      "summary": "Synthetic fixture, not research.",
      "title": "Synthetic example"
    },
    "dataClass": "synthetic",
    "pin": {
      "artifactSha256": "sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060",
      "licenseSha256": "sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1",
      "publicationId": "synthetic-review",
      "releaseId": "1.0.0"
    }
  }),
});
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 $0.050002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.050002"})
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/library/publications/retrieve",
        json={
            "artifact": {
                "artifactSha256": "sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060",
                "author": "Codex \u2014 AI drafting and source review",
                "boundary": "Local development only. Cryptographically signed authorizations and simulated settlement; no token balance, funds transfer, RPC call or public publication.",
                "collectionId": "agent-infrastructure-evidence",
                "contentSha256": "sha256:128bbeca75a55df0ee4787b7c9b7fe393f160d60c02f9386587def49deb87924",
                "editorial": {
                    "humanApproval": "pending",
                    "scope": "local-development-only",
                    "sourceReview": "Synthetic fixture only.",
                },
                "findings": [
                    {
                        "id": "finding1",
                        "sourceIds": [
                            "source1",
                        ],
                        "statement": "Synthetic finding, not evidence.",
                    },
                ],
                "license": {
                    "copyrightTransferred": False,
                    "grant": "Non-exclusive internal analysis, grounding and caching of this local preview. Preserve source attribution and review disclosures.",
                    "id": "maha-local-internal-use-v1",
                    "modelTrainingRightsGranted": False,
                    "publicPublicationAuthorized": False,
                    "redistributionAllowed": False,
                    "resaleAllowed": False,
                },
                "licenseSha256": "sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1",
                "limitations": [
                    "Synthetic fixture, no evidence.",
                ],
                "markdown": "SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. SYNTHETIC fixture; no facts have been established. ",
                "publicationId": "synthetic-review",
                "releaseId": "1.0.0",
                "releasedOn": "2026-10-15",
                "schemaVersion": "maha-agent-publication/1",
                "sources": [
                    {
                        "id": "source1",
                        "inspectedOn": "2026-10-15",
                        "locator": "1",
                        "title": "Example",
                        "url": "https://example.org",
                    },
                ],
                "summary": "Synthetic fixture, not research.",
                "title": "Synthetic example",
            },
            "dataClass": "synthetic",
            "pin": {
                "artifactSha256": "sha256:54c049b30cf7155ce5f61705eb908b5e0ca1b80baa2cd7d83cc7b1f9428f9060",
                "licenseSha256": "sha256:93c4d3e27978f4d1b514ef3a566d346b0e4f29c1cd15ca84f349a51dc6a414b1",
                "publicationId": "synthetic-review",
                "releaseId": "1.0.0",
            },
        },
    )
    print(res.status_code, res.text)

Security scan

No findings

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Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402218 ms$0.05
9 h agoPassed402466 ms$0.05