x402 census · deomath.org · c1b7dccab209 · JSON
POST /v1/research-checkpoint
gone
Evaluate whether a mathematical research branch should continue, revise, abstain, or escalate.
Verdict: dead listing. 404/410: gone (was unprobed in the census).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://deomath.org/v1/research-checkpoint |
| Method | POST |
| Price | $0.03 USDC = 30000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xcdBd1625fb843491ae855c0EA110C07492aEcFb3 |
| Seller | deomath.org |
| Catalogs | cdp (row updated 2026-09-17) |
| Listed since (lower bound) | 2026-09-17 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-17 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-17 (catalog-reported, not verified on chain) |
| Category (keyword rule) | research/reports |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | DEO Math · math, research-checkpoint, branch-decision |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-01T05:13:18.000Z (cron) |
| Verdict now | gone changed from unprobed |
| HEAD / GET | 404 / 404 |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Latency | 1,624 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 1 |
| USDC volume | $0.03 |
| Median payment | $0.03 |
| First / last payment | 2026-09-17 / 2026-09-17 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xcdBd1625fb843491ae855c0EA110C07492aEcFb3 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {},
"bodyType": "json",
"method": "POST",
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://deomath.org/v1/research-checkpoint' -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/c1b7dccab209/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c1b7dccab209"} 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 deomath.org.