x402 census · quantum-artificer.surewhynot.app · c194392ed0dd · JSON

POST /v1/math/numerical

unprobed

Numerical computing (SciPy): root-finding, optimization, numerical integration (quadrature), eigenvalues/vectors, and linear solves — returned with residuals and condition numbers. Paid in USDC on Base or Solana.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://quantum-artificer.surewhynot.app/v1/math/numerical

Method POST

Price $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0xf786a555be87c6d3b316c976b643c70326565f3f

Seller quantum-artificer.surewhynot.app

Catalogs cdp (row updated 2026-09-29)

Listed since (lower bound) 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-29

CDP quality counters 4 calls and 3 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags · science, math, numerical, linear-algebra, scipy

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 3

Payments 3

USDC volume $0.01

Median payment $0.005

First / last payment 2026-08-10 / 2026-09-17

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xf786a555be87c6d3b316c976b643c70326565f3f (contract: EIP7702Proxy)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "operation": "eigen",
   "spec": {
    "matrix": [
     [
      2,
      1
     ],
     [
      1,
      2
     ]
    ],
    "symmetric": true
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "result": {
    "eigenvalues": [
     1,
     3
    ]
   },
   "status": "succeeded",
   "verification": {
    "passed": true
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://quantum-artificer.surewhynot.app/v1/math/numerical' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/c194392ed0dd/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c194392ed0dd"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on quantum-artificer.surewhynot.app.