Discover / source-claim-proof.mattskowronis.workers.dev

source-claim-proof.mattskowronis.workers.dev

□ No challenge detected

Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported states. Not a general fact checker or web search.

x402
Base
USDC

Listed price: $0.01
Challenge detected: 0 of the last 9 checks
Last checked: 16 Oct, 16:44 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://source-claim-proof.mattskowronis.workers.dev/v1/verify
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://source-claim-proof.mattskowronis.workers.dev/v1/verify$0.01Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported states. Not a general fact checker or web search.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/source-claim-proof.mattskowronis.workers.dev

Recent checks

28 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 16:44 UTC	No challenge detected	404	148ms
15 Oct, 08:20 UTC	No challenge detected	404	209ms
13 Oct, 22:50 UTC	No challenge detected	404	126ms
11 Oct, 19:34 UTC	No challenge detected	404	212ms
10 Oct, 03:32 UTC	No challenge detected	404	199ms
8 Oct, 21:32 UTC	No challenge detected	404	111ms
7 Oct, 15:42 UTC	No challenge detected	404	109ms
6 Oct, 15:31 UTC	No challenge detected	404	221ms
28 Sept, 05:02 UTC	No challenge detected	404	115ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 16:44 UTC, we detected no payment challenge.

What price is recorded for source-claim-proof.mattskowronis.workers.dev?

Its listed price is $0.01.

What payment terms does source-claim-proof.mattskowronis.workers.dev advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is source-claim-proof.mattskowronis.workers.dev listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

Something wrong on this page? Tell us.