Sky Observations Missingness Cooccurrence
by mahastrategies.com in Onchain & crypto
Count paired missing owner, revision and content pins without silently treating a missing value as a matching value for sky frame/epoch/observer/method-pinned Supplied-record analysis, not independent certification. Full contract at the free describe URL.
https://www.mahastrategies.com/api/v1/celestial/sky-observations/missingness-cooccurrence- Price
- $0.02
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 236 ms
- 335 ms slowest 5%
- Last check
- Passed
- 3 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://www.mahastrategies.com/api/v1/celestial/sky-observations/missingness-cooccurrence
Each call costs $0.020327 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/celestial/sky-observations/missingness-cooccurrence
content-type: application/json
{
"dataClass": "synthetic",
"nonpersonalMetadata": true,
"rows": [
{
"coordinateFrameRef": "declared-frame1",
"datasetRef": "dataset1",
"epochRef": "declared-epoch1",
"id": "observation1",
"methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"observationRef": "observation-synthetic1",
"observationsDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"observerConfigDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata"
}
]
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
dataClass | string | Yes | One of: public, synthetic. |
nonpersonalMetadata | boolean | Yes | |
rows | array | Yes |
Example response
The provider's example. We can't check it without paying.
Example response, 29 lines
{
"data": {
"chargedAmount": "20327",
"inputHash": "sha256:6d7115b53d4fb811f8d3b3041f69f91c785970c5788424b44e70f29a5…",
"limitations": [
"Public or synthetic nonpersonal metadata only; these are caller …"
],
"productId": "sky-observations-missingness-cooccurrence",
"result": {
"authoritativeSourcesConsulted": false,
"domainValidationEstablished": false,
"findings": [],
"method": "sky-observations-missingness-cooccurrence/1",
"metrics": [
{
"key": "sky-observations-owner-revision-nulls",
"recordId": "sky-observations",
"value": "0"
}
]
},
"resultHash": "sha256:31d7f19b9494614edbcc40f9b9371f2a900848bcca4a253e9ba720d3e…",
"version": "maha-typed-metadata-audit/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 $0.020327.
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/celestial/sky-observations/missingness-cooccurrence' \
-H 'content-type: application/json' \
--data-raw '{"dataClass":"synthetic","nonpersonalMetadata":true,"rows":[{"coordinateFrameRef":"declared-frame1","datasetRef":"dataset1","epochRef":"declared-epoch1","id":"observation1","methodDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationRef":"observation-synthetic1","observationsDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observerConfigDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","recordRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata"}]}'
# 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/celestial/sky-observations/missingness-cooccurrence' \
-H 'content-type: application/json' \
--data-raw '{"dataClass":"synthetic","nonpersonalMetadata":true,"rows":[{"coordinateFrameRef":"declared-frame1","datasetRef":"dataset1","epochRef":"declared-epoch1","id":"observation1","methodDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationRef":"observation-synthetic1","observationsDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observerConfigDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","recordRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata"}]}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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 $0.020327 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.020327" });
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 $0.020327 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fcelestial%2Fsky-observations%2Fmissingness-cooccurrence&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/celestial/sky-observations/missingness-cooccurrence", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"dataClass": "synthetic",
"nonpersonalMetadata": true,
"rows": [
{
"coordinateFrameRef": "declared-frame1",
"datasetRef": "dataset1",
"epochRef": "declared-epoch1",
"id": "observation1",
"methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"observationRef": "observation-synthetic1",
"observationsDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"observerConfigDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata"
}
]
}),
});
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 $0.020327 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.020327"})
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/celestial/sky-observations/missingness-cooccurrence",
json={
"dataClass": "synthetic",
"nonpersonalMetadata": True,
"rows": [
{
"coordinateFrameRef": "declared-frame1",
"datasetRef": "dataset1",
"epochRef": "declared-epoch1",
"id": "observation1",
"methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"observationRef": "observation-synthetic1",
"observationsDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"observerConfigDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata",
},
],
},
)
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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 3 h ago | Passed | 402 | 335 ms | $0.02 |
| 7 h ago | Passed | 402 | 216 ms | $0.02 |
| 16 h ago | Passed | 402 | 236 ms | $0.02 |