Directory / www.pennypress.org
www.pennypress.org/essays/calculus working
https://www.pennypress.org/essays/calculus
Before you pay
- Advice
ok- Protocol
- x402 · http · GET
- Asks for
- 0.01 USDC on base
- Catalogue says
- 0.01 USDC
- Pays to
0x19ea1e953542d7ac76f042f8bdc94d81b964c53d- Last check
- 10 min ago · 119 ms · HTTP 402
- Detail
- 402 with valid terms
Reliability
- Uptime 24 h
- 100.0%
- Uptime 7 days
- 100.0% (28 checks)
- Uptime 30 days
- 100.0% (signed daily)
- Paid calls 30 d
- 2 from 2 payers (x402 Bazaar)
- Listed by
- x402-bazaar
- First seen
- 2026-11-05 22:12 UTC
Description (from the catalogue, unverified)
A fragment about strategy and compromise.
Signed history
| When | Statement | Log index |
|---|---|---|
| 2026-11-06 00:12 UTC | 105b6796…9a10f1 daily summary | 43468 |
Verify any statement offline: how.
For agents and owners
JSON: https://alalanet.com/v1/services/p6to3axy2zux7a3e
Badge:
<a href="https://alalanet.com/s/p6to3axy2zux7a3e"><img src="https://alalanet.com/badge/p6to3axy2zux7a3e" alt="alalanet status"></a>
Own this service? Get verified. Do not want it checked? See the prober page.