Independent MeasurementEndpoint record (L0)Published state: pass
underground.substratesymposium.com/buy/catalog
1.Catalog declaration
| Resource URL | https://underground.substratesymposium.com/buy/catalog |
| Source | cdp_bazaar |
| Declared method | GET |
| Network | eip155:8453 |
| Receiving address | 0xa3babb36564b0383a82c617050306ee30fd18e08 |
| Declared price (base units) | 10000 |
| Catalog status | active |
| First seen / last seen | 2026-08-14 08:39 UTC / 2026-08-17 01:06 UTC |
| Catalog-reported calls / payers (30d) | 4 / 3 |
2.Probe history
| Probed at | Method | Verdict | HTTP | Latency | Reason |
|---|---|---|---|---|---|
| 2026-08-14 08:53 UTC | GET | pass | 402 | 43 ms | — |
3.L1 — real purchases
1 of 1 paid attempts settled with a receipt. Each settled row carries its on-chain transaction hash — the receipt is the evidence.
| Attempted at | Result | Amount (units) | HTTP | Latency | L2 | Receipt (tx) |
|---|---|---|---|---|---|---|
| 2026-08-14 10:02 UTC | settled | 10000 | 200 | 1112 ms | no_declaration | 0xe3bab0c8a8859a66… |
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.