Discover / penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev
penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev
Compare 1-10 DOI-bearing references against Crossref metadata: supplied title, ordered authors and/or year. Returns field agreements, discrepancies, ambiguities and provenance; does not verify scientific claims. 0.05 native USDC per completed batch on Base. Failed retrieval prevents settlement. Original-result recovery lasts 24 hours. No seller key for purchase/recovery. Valid payment, open session and capacity required. Examples are saved fixtures.
penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev is listed as payable by AI agents over X402 on base in USDC. It answered a valid payment challenge when we last probed it at Sat, 26 Sep 2026 09:26:59 GMT.
https://penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev/v1/compare-reference-metadata
x402-bazaar
Probe history
last 8 probes| When | Result | HTTP | Method | Latency |
|---|---|---|---|---|
| Sat, 26 Sep 2026 09:26:59 | challenge | 402 | http-402 | 333ms |
| Fri, 25 Sep 2026 09:29:48 | challenge | 402 | http-402 | 279ms |
| Thu, 24 Sep 2026 12:37:35 | challenge | 402 | http-402 | 249ms |
| Wed, 23 Sep 2026 12:36:44 | no challenge | 404 | none | 47ms |
| Tue, 22 Sep 2026 15:27:49 | challenge | 402 | http-402 | 437ms |
| Mon, 21 Sep 2026 17:01:45 | challenge | 402 | http-402 | 407ms |
| Sun, 20 Sep 2026 21:26:04 | challenge | 402 | http-402 | 279ms |
| Sun, 20 Sep 2026 00:37:58 | challenge | 402 | http-402 | 329ms |
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