Penny Army Reference Metadata

avoid grade F Base found on CDP Bazaar delisted confidence 0.87
https://penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev/v1/compare-reference-metadata
Claim this service
Advertised description
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…Show more ▾Show less ▴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.
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
30-day uptime
2.1%
Avg latency (EU)
1792 ms
slow · measured from a single EU vantage point; includes network round-trip distance to the endpoint; a geographically distant endpoint reads slower even when its server is fast, so it is only lightly weighted in the score
Confidence
0.87
full-density score
Advertised price
$0.05
USDC
Price stability
Stable
last 30 days
Probes (30d)
97
full record · up to 48/day
More details ▾
Endpoint ID143761
Pay on Base$0.05 USDC · to 0xce53…1342 ↗
First seen2026-09-19
Last probed2026-10-29
Statusdelisted
Delisted at2026-09-24
Snapshot computed2026-10-29 10:29 UTC (free snapshot, recomputed at least every 24h)
Why this verdict?5 error flags1 warning
A wallet payment page opens first; approve the USDC payment and the full JSON report loads right in your browser. Want a taste first? Read a free full sample report.
This page is the free cached snapshot (computed 28 hours ago). Here's what the paid API adds.
  • ✓Live re-probe at decision time
    The score is computed the moment you ask, not up to 24h ago.
  • ✓Instant snapshot refresh
    Every paid call rewrites this page, the badge and the card immediately.
  • ✓The full “why”, machine-readable
    Confidence band, component breakdown, every risk flag with its evidence.
  • ✓On-chain settlement proof
    Real USDC volume and distinct payers behind the pay-to wallet.
  • ✓90-day raw history
    Every listing, price and payTo change, every probe result.
  • ✓Ranked better alternatives
    Higher-scored endpoints serving the same function, when they exist.
  • ✓Change & liveness alerts
    PayTo/price moves, spec regressions, downtime; 5-minute probes while watched.
$npx -y x402-trust-mcpGive your agents the tools to do all of this for you, with one install. Agents use the x402_trust_score MCP tool or POST /v1/x402-trust directly (pay-per-call over x402, from $0.005).