{"audit":{"version":"1.5","generated_at":"2026-11-15T08:13:05.255765+00:00","generated_by":"Agenstry","report_url":"https://agenstry.com/agents/441engine.com","methodology_url":"https://agenstry.com/methodology","verifier_jwks_url":"https://agenstry.com/.well-known/jwks.json","subject":{"domain":"441engine.com","name":"441 Engine — Agent Services","url":"https://441engine.com/.well-known/agent-card.json"}},"identity":{"provider":{"organization":"441 Engine","url":"https://441engine.com/"},"registry_verification":null,"signature":{"signed":false,"signature_valid":null}},"protocol":{"version":null,"supports_streaming":false,"supports_push_notifications":false},"operational":{"live_state":"endpoint_5xx","live_responds":false,"last_status_code":200,"last_elapsed_ms":386,"last_error":null},"track_record":{"first_seen":"2026-11-14T06:11:50.838003+00:00","last_checked":"2026-11-14T19:30:11.524107+00:00","last_seen_ok":"2026-11-14T19:30:11.524107+00:00","checks_total":3,"checks_ok":3,"uptime_pct":100.0,"uptime_window_days":30,"uptime_probes":3,"archived":false,"archived_reason":null},"conformance":{"score":33,"grade":"F","summary":"F-grade: card is reachable but fails most operational signals.","criteria":[{"key":"valid_card","label":"Valid AgentCard","points":10,"max_points":10,"status":"pass","detail":"Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification)."},{"key":"live_responds","label":"Live JSON-RPC","points":3,"max_points":25,"status":"fail","detail":"Endpoint currently returns 5xx, may be transient."},{"key":"protocol_version","label":"Protocol version","points":0,"max_points":10,"status":"fail","detail":"No protocolVersion in card."},{"key":"signature","label":"JWS signature","points":0,"max_points":10,"status":"info","detail":"Card is unsigned (most published agents are)."},{"key":"uptime","label":"Uptime track record","points":0,"max_points":15,"status":"info","detail":"Only 3 probes so far, need ≥5 for an uptime grade."},{"key":"skills","label":"Skill declaration","points":10,"max_points":10,"status":"pass","detail":"Declares 7 skills with structured metadata. 7 skills without tags — optional in 0.x, REQUIRED once you move the card to v1.0."},{"key":"verified_identity","label":"Verified Identity","points":5,"max_points":10,"status":"partial","detail":"Provider declared: 441 Engine (https://441engine.com/). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit."},{"key":"freshness","label":"Freshness + modern flags","points":5,"max_points":5,"status":"pass","detail":"declares 1 modern capability flag(s) (x402); seen in upstream source within 0d"},{"key":"security","label":"Security declaration","points":0,"max_points":5,"status":"info","detail":"Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated."}]},"card_read":{"findings":[],"clean":true,"source_url":"https://441engine.com/.well-known/agent-card.json"},"skills":[{"id":"signal","name":"Signal","description":"Current crypto market signals for BTC, ETH, SOL and XRP, generated continuously by the 441 observatory. GET /api/v1/signal — $0.02 USDC per call via x402.","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://signal.441engine.com/api/v1/signal","price":{"amount":"0.02","asset":"USDC","per":"call"}},{"id":"spread-watch","name":"Spread Watch","description":"Live cross-pool price spreads on Solana, gross and net. $0.02 USDC per call via x402 (public x402 origin mid-migration; service page live under /services/).","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://441engine.com/services/","price":{"amount":"0.02","asset":"USDC","per":"call"}},{"id":"verify","name":"Verify","description":"Deterministic SHA-256 and Keccak-256 digests of a submitted payload, and server-side verification that a Solana transaction matches amount, currency and recipient exactly. POST /api/v1/compute, POST /api/v1/verify-spot — $0.01 USDC per call via x402.","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://verify.441engine.com/api/v1/verify-spot","price":{"amount":"0.01","asset":"USDC","per":"call"}},{"id":"hf-telemetry","name":"HF Telemetry","description":"High-frequency Solana market telemetry: live TPS/TPM, slot and epoch measured on the public Solana RPC. Real measurements, never simulated. GET /api/v1/telemetry — $0.05 USDC per call via x402.","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://hf.441engine.com/api/v1/telemetry","price":{"amount":"0.05","asset":"USDC","per":"call"}},{"id":"voice-studio","name":"Voice Studio","description":"Your text read by AI voices in French or English, delivered as MP3 by email within hours. 0.02 SOL short (up to 500 chars), 0.05 SOL long (up to 2,000), 0.06 SOL two-voice duo. First sample of your own text free via motor441@proton.me.","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://441engine.com/services/voix/","price":{"amount":"0.02","asset":"SOL","per":"text, from"}},{"id":"podcast-studio","name":"Podcast Studio","description":"A full two-voice podcast episode (about 10 minutes) on your topic, tone and language, delivered by email within one business day. 0.35 SOL per episode, 0.99 SOL for four.","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://441engine.com/services/podcast/","price":{"amount":"0.35","asset":"SOL","per":"episode"}},{"id":"engine-services","name":"Chess engine testing and game analysis","description":"Engine strength testing arena and full game analysis by a home-built Rust chess engine that plays live and publishes its measurements. Beat it in a public verifiable game and earn 25,000 $M441 from the activation fund. Priced on the service pages, SOL or $M441 (-10%).","tags":[],"examples":[],"inputModes":[],"outputModes":[],"endpoint":"https://441engine.com/parties/"}],"provenance":[{"source":"a2a_registry_org","first_seen":"2026-11-14T06:11:50.838003+00:00"}],"recent_probes":[{"fetched_at":"2026-11-14T19:30:11.524107+00:00","ok":true,"status_code":200,"error":null,"elapsed_ms":386,"live_responds":false},{"fetched_at":"2026-11-14T19:30:11.351327+00:00","ok":true,"status_code":200,"error":null,"elapsed_ms":409,"live_responds":false},{"fetched_at":"2026-11-14T06:11:50.838003+00:00","ok":true,"status_code":200,"error":null,"elapsed_ms":357,"live_responds":false}],"catalog_attestation":null,"operator_revenue_evidence":{"evidence_class":"operator_submitted","authenticity":{"rung":"no_operator_evidence","rank":0,"why":"No verifiable operator evidence has been submitted for this agent.","thresholds":{"min_independent_payers":3,"min_verified_usd":25.0},"engine_table":"agent_authenticity","merge_rule":"max(existing_rank, rank)"},"metric_metadata":{"provenance":"operator_submitted_evidence","confidence":"attested","coverage":{"numerator":0},"as_of":"2026-11-15T08:13:05.307843+00:00","definition":"Revenue proofs submitted by the verified owner and re-checked by Agenstry against the settlement chain or the operator's own Stripe account. Only independently confirmed proofs are counted."},"counts":{"retained":0,"verified":0,"unverifiable":0},"verified":{"gross_usd":0.0,"transactions":0,"independent_payers":0},"detail_url":"https://agenstry.com/api/agents/441engine.com/evidence","dispute_url":"https://agenstry.com/agents/441engine.com/dispute"},"verification_history":[]}