zk.quickai.build/prove
1.Catalog declaration
| Resource URL | https://zk.quickai.build/prove |
| Source | cdp_bazaar |
| Declared method | POST |
| Network | eip155:8453 |
| Receiving address | 0x85557c90027354eaeffe9ee4b4f4014818d8d3e1 |
| Declared price (base units) | 50000 |
| Catalog status | active |
| First seen / last seen | 2026-08-14 08:39 UTC / 2026-10-20 13:01 UTC |
| Catalog-reported calls / payers (30d) | 2 / 2 |
2.Probe history
| Probed at | Method | Verdict | HTTP | Latency | Reason |
|---|---|---|---|---|---|
| 2026-10-18 22:40 UTC | POST | pass | 402 | 386 ms | — |
| 2026-10-17 16:40 UTC | POST | pass | 402 | 234 ms | — |
| 2026-10-16 12:40 UTC | POST | pass | 402 | 262 ms | — |
| 2026-10-14 21:40 UTC | POST | pass | 402 | 285 ms | — |
| 2026-10-13 15:40 UTC | POST | pass | 402 | 265 ms | — |
| 2026-10-12 12:40 UTC | POST | pass | 402 | 157 ms | — |
| 2026-10-11 12:40 UTC | POST | pass | 402 | 196 ms | — |
| 2026-10-10 12:40 UTC | POST | pass | 402 | 135 ms | — |
| 2026-10-09 12:40 UTC | POST | pass | 402 | 130 ms | — |
| 2026-10-07 22:40 UTC | POST | pass | 402 | 283 ms | — |
| 2026-10-07 04:40 UTC | POST | pass | 402 | 181 ms | — |
| 2026-10-06 04:41 UTC | POST | pass | 402 | 244 ms | — |
| 2026-10-04 16:40 UTC | POST | pass | 402 | 248 ms | — |
| 2026-10-03 22:40 UTC | POST | pass | 402 | 2191 ms | — |
| 2026-10-03 04:40 UTC | POST | pass | 402 | 260 ms | — |
| 2026-10-02 13:40 UTC | POST | pass | 402 | 355 ms | — |
| 2026-10-01 10:30 UTC | POST | pass | 402 | 143 ms | — |
| 2026-09-25 10:31 UTC | POST | pass | 402 | 140 ms | — |
| 2026-09-21 11:24 UTC | POST | pass | 402 | 153 ms | — |
| 2026-09-17 16:19 UTC | POST | pass | 402 | 136 ms | — |
| 2026-09-14 11:24 UTC | POST | pass | 402 | 150 ms | — |
| 2026-09-11 11:24 UTC | POST | pass | 402 | 216 ms | — |
| 2026-09-07 11:24 UTC | POST | pass | 402 | 261 ms | — |
| 2026-09-02 11:24 UTC | POST | pass | 402 | 281 ms | — |
| 2026-08-14 08:53 UTC | POST | fail | 402 | 224 ms | accepts_invalid402 without a payable accept in the header or the body (which part was missing was not recorded before the 2026-09-29 change). |
3.L1 — real purchases
1 of 1 paid attempts settled on-chain, and 1 of those also returned a 2xx response (delivered). Each settled row carries its on-chain transaction hash, and that transaction is the evidence. On this page a receipt means the seller's own settlement receipt (PAYMENT-RESPONSE); a settled row can have none (see “tx from our index”). A settled row reads as nonce-bound when the on-chain re-read also matched the one-time signature nonce we generated for that purchase, and amount + payee when it matched amount, payee, asset and chain with no nonce on record — the binding shipped on 2026-09-04, so earlier rows carry the weaker evidence and keep their label rather than being demoted (methodology). settled is the transfer we confirmed on-chain; delivered is the response arriving. A settled row whose paid request answered 5xx counts as settled and not as delivered — definitions.
Terms in this table
settled (nonce-bound)- vet402 confirmed the USDC transfer on-chain, and the on-chain re-read also matched the one-time nonce vet402 signed for that purchase.
L2 match- the response parsed as JSON and had the keys the listing marks as required. With an example that marks no key as required, a JSON object or array is enough.
Whose side- the same words as the seller page: seller's side only after failures on two different days (UTC), marked “under re-check”; vet402's side; or not sorted (the rules).
| Attempted at | Result | HTTP | On-chain tx | Latency |
|---|---|---|---|---|
| 10-02 03:312026-10-02 03:31 UTC | settled (nonce-bound) | 200 | 0x88e91365…fb4d | 2426 ms |
| 50000 units (≈ $0.05 USDC) · L2 matchWhose side: no failure (delivered) | ||||
Embed this record
Run this endpoint? Show the settle-through record vet402 measured — the badge reads 1/1 settled · 1 delivered and updates as the record grows. It carries the host it is about and the date it was last measured, so a saved copy cannot pass itself off as current. It states a measurement, not a rating.
[](https://vet402.com/observatory/e/b5356c72-5886-42e0-8e02-314e2c299741)4.Catalog listing events
No listing changes observed.
unverified is not a failure; a fail is published only after two consecutive failing probes. Definitions: methodology.
5.Dispute this record
Think a measurement above is wrong? Say which probe or purchase and what you observed instead. One person reads it and replies. The record is never deleted on dispute: if it was wrong, the correction is published with the same weight; if it was right, it stands. Operators who control the receiving address can also sign a dispute via POST /api/v1/observatory/disputes (API reference), which re-measures through the normal publication gate.