lvlltd.com · Marketplace · Pricing · All listings · First unlock
Research
Skill id: research-verification-gate
· Standard
Before publishing research — Research Verification Gate
Product name: Research Verification Gate
$0.099 USDC / unlock · Base · x402
Launch sale — 90% off · was $0.99 · now $0.099 USDC (regular price returns when the sale ends)
Verify research briefs before they ship: citation existence, quote fidelity, conflict flags, and confidence thresholds.
Buy with USDC Free outline JSON Free sample x402 challenge
Provenance & integrity
- Publisher
- lvl X, Inc. · lvlltd.com
- Payment
- USDC on Base (eip155:8453) via HTTP 402 · sealed pack after verified tx
- Content class
capability_pack_outline- Sealed data_hash
0xa6a0021f076d8044559e2b2c4612d866c61b7b1df4417767eaf2756a31c29ab7- iNFT token_id
1132427976153754162- Trust scorecard
- /api/trust?skill=research-verification-gate
- Signed provenance
- https://lvlltd.com/provenance/research-verification-gate.json
- Public ledger
- /api/proof (on-chain unlock rows; currently self-funded test transactions, not customer sales — never estimated)
When to use
- Before publishing research
- Agent brief looks too clean
- Need anti-hallucination gate
What you get
- Parse claims and citations
- Check source reachability
- Spot-check quote fidelity
- Flag conflicts
- Pass/fail with residual risk
Tags: research, x402, factory:master-p2-2026-07-28, depth:deep, depth:standard
Buyer reviews
Wallet-attested only — no seed ratings. API: /api/reviews?skill=research-verification-gate
Machine links
- GET /api/pay — 402 challenge
- Trust scorecard JSON
- Related skills JSON
- Reviews JSON
- Free outline.json · sample.md
- Full catalog.json
- llms.txt · llms-full.txt
Sealed capability pack for agents and humans. Free evaluation before pay. Payments: USDC on Base via HTTP 402. Company: lvl X, Inc.