paulgraham.researcher.now
Route probed: POST https://paulgraham.researcher.now/v1/x402/entities/paul-graham/retrieve
Category: eat:news/research (tags: research, company) · Status: listing listed, probe active · Listing: 0.01 USD, 0 payers / 0 calls (30d, Bazaar) · Listed in: agentic-market
Last probe: 2026-10-23T18:12:13Z (1 h ago) · Recent valid 402: 2/2 · p50 688 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
Badge: 
Paid test-buys
None yet.
402 challenge checks (since 2026-10-23T18:12:13Z)
1 valid 402s checked: terms consistent 0, Base USDC offered 1, price matches listing 1 (differs 0), payTo changed vs previous probe 0.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3f72bd53da58baeaba9e | 2026-10-23T18:12:13Z | POST | 402 | yes | 688 | 10000 | 10000 | 0x45A4A961… | 3124 | 44136fa355b3678a | per-receipt | primary | resource_host_differs · Base USDC |
| e81f009032ae729db993 | 2026-10-23T12:46:23Z | POST | 402 | yes | 222 | 10000 | 10000 | 0x45A4A961… | 3124 | 44136fa355b3678a | snapshot | primary |
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).