x402 census · exhibit402.dylan-caponi.workers.dev · abc02922dbf2 · JSON
POST /capture
gone
Prove what a web page showed: verify completed work, freeze evidence for a dispute, certify a page before you rely on it. Two independent observers on separate networks capture your URL at one frozen instant: byte-identical is CERTIFIED; disagreement is WITNESSED with pixel agreement and diff map. Signed manifest, RFC 3161 timestamp, permanent Arweave storage; ERC-721 certificate minted to the pa…
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://exhibit402.dylan-caponi.workers.dev/capture |
| Method | POST |
| Price | $1.00 USDC = 1000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x16B636328745E4e6086071B8Ff9f0C1C7DF9eB21 |
| Seller | exhibit402.dylan-caponi.workers.dev |
| Catalogs | cdp (row updated 2026-10-15) |
| Listed since (lower bound) | 2026-10-15 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-15 |
| CDP quality counters | 3 calls and 1 unique payers in 30 days, last call 2026-10-15 (catalog-reported, not verified on chain) |
| Category (keyword rule) | weather/geo/maps |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:35:30.319Z |
| HEAD | 402 |
| GET | 404 |
| Verdict | gone 404/410: gone |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | text/plain / cloudflare / * |
| Latency | 38 ms |
| Error | none |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-22T01:13:37.740Z (cron) |
| Verdict now | gone unchanged |
| HEAD / GET | 402 / 404 |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Latency | 745 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "POST",
"queryParams": {
"mode": "fullpage",
"url": "https://en.wikipedia.org/wiki/SHA-2"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"check_after_seconds": 15,
"claim_url": "https://exhibit402.dylan-caponi.workers.dev/claim/6f1c9e2a-4b7d-4c1e-9a2f-3d5e8b7a0c1d",
"job_id": "6f1c9e2a-4b7d-4c1e-9a2f-3d5e8b7a0c1d",
"note": "Poll claim_url (free) every ~15s. Resolves to {tier, ar:// links, token_id, basescan_url, hashes} or a refund per policy.",
"status": "processing"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://exhibit402.dylan-caponi.workers.dev/capture' -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/abc02922dbf2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"abc02922dbf2"} 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 exhibit402.dylan-caponi.workers.dev.