{ "schema_version": 1, "catalog_id": "402-information-utility-candidates@2026-09-01.v1", "title": "402 Information Utility candidate catalog", "generated_at": "2026-09-01", "status": "public-evidence-catalog", "payment_live": false, "payment_blocker": "A seller-controlled Base USDC receiving address and end-to-end settlement/delivery test are required before paid activation.", "scope": "Exactly 200 candidate machine-readable information products across 10 categories.", "limitations": "Candidate count is Payment Supply research, not paid demand, delivery, repeat use, or revenue. source_ready means a representative public access path was documented; it is not launch approval.", "bias": "Public English-language US/EU structured sources are over-represented.", "confidence": { "shape_and_status_counts": "high", "willingness_to_pay": "unknown", "repeat_machine_demand": "unknown" }, "operations": [ "search", "get", "verify", "compare", "change" ], "status_counts": { "source_ready": 66, 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"High", "feasibility": "source_ready" }, { "id": "P006", "category": "Software and digital dependencies", "product_name": "OSV package-version batch", "user_agent_question": "Which OSV advisories affect these package versions", "operation": "verify", "likely_buyer_environment": "CI/CD agent", "repeat_trigger": "every dependency lock change", "primary_public_source": "S25 https://google.github.io/osv.dev/api/", "access_method": "documented REST JSON POST", "source_license_reuse_risk": "upstream licenses and provenance vary", "expected_refresh_cadence": "per lockfile change", "cache_ttl": "15m", "proposed_x402_price_usd": "0.004", "rough_variable_cost_class": "tiny", "free_search_substitute_risk": "Medium", "confidence": "High", "feasibility": "source_ready" }, { "id": "P007", "category": "Software and digital dependencies", "product_name": "OSV alias or withdrawal change", "user_agent_question": "Did an advisory alias or withdrawal status change", "operation": "change", 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