{
  "ok": true,
  "listing": {
    "id": "lst_01M616A9C9EK033FJ01CZ6QXZ4",
    "slug": "marc-stevens-research",
    "businessName": "Marc Stevens - Research",
    "legalName": "",
    "description": {
      "short": "Marc Stevens Email: marc (a) marc-stevens.nl Curriculum Vitae Position: Tenured Researcher in the Cryptology Group at Centrum Wiskunde & Informatica (Dutch national research institute for Mathematics & Computer Science) Other functions: Board Member DIAMANT (dutch national cluster in discrete mathematics) News Students Publications Honors Software News Received the Frontiers of Science Award for our paper The First Collision for Full SHA-1 published at CRYPTO 2017. The prize, which includes a certificate, trophy and a monetary award of $ 25,000, honours outstanding recent research in the fundamental sciences.",
      "full": "Marc Stevens Email: marc (a) marc-stevens.nl Curriculum Vitae Position: Tenured Researcher in the Cryptology Group at Centrum Wiskunde & Informatica (Dutch national research institute for Mathematics & Computer Science) Other functions: Board Member DIAMANT (dutch national cluster in discrete mathematics) News Students Publications Honors Software News Received the Frontiers of Science Award for our paper The First Collision for Full SHA-1 published at CRYPTO 2017. The prize, which includes a certificate, trophy and a monetary award of $ 25,000, honours outstanding recent research in the fundamental sciences. The award was presented during the International Congress of Basic Science (ICBS), held in Beijing, China."
    },
    "industry": "Research",
    "website": "https://marc-stevens.nl/",
    "rootDomain": "marc-stevens.nl",
    "listingOrigin": "discovered",
    "entityType": "business",
    "entitySubtype": "commercial_organization",
    "entityClassification": {
      "type": "business",
      "subtype": "commercial_organization",
      "confidenceScore": 73,
      "classifiedAt": "2026-10-28T12:03:48.241Z",
      "government": null
    },
    "placementType": "country",
    "location": {
      "placementType": "country",
      "countryCode": "NL",
      "countryName": "Netherlands",
      "flag": "🇳🇱",
      "region": "",
      "city": "",
      "mode": "online"
    },
    "primaryCategory": null,
    "claimStatus": "unclaimed",
    "verificationStatus": "unverified",
    "verified": false,
    "businessVerification": {
      "applicable": true,
      "status": "pending",
      "level": "none",
      "label": "Not Registry Verified",
      "badgeColor": "neutral",
      "countsAsVerified": false,
      "authority": null,
      "registryId": null,
      "matchScore": 0,
      "authorityCode": null,
      "lei": null,
      "jurisdiction": null,
      "registeredLegalName": null,
      "registryStatus": null,
      "registryUrl": null,
      "checkedAt": null,
      "verifiedAt": null,
      "nextCheckAt": null
    },
    "businessVerified": false,
    "commercialStatus": "free",
    "agentStatus": "none",
    "paidProfile": false,
    "freshnessStatus": "current",
    "media": {
      "logo": "https://marc-stevens.nl/favicon.ico",
      "explicitLogo": null,
      "favicon": null,
      "fallback": "https://marc-stevens.nl/favicon.ico"
    },
    "scores": {
      "dataConfidence": 77,
      "quality": 74,
      "verification": 0
    },
    "qualityScore": 74,
    "urls": {
      "directory": "https://directory.websdocs.com/business/marc-stevens-research",
      "json": "https://directory.websdocs.com/business/marc-stevens-research.json",
      "website": "https://marc-stevens.nl/",
      "gateway": null
    },
    "publishedAt": "2026-10-28T12:03:49.742Z",
    "updatedAt": "2026-10-28T12:03:55.251Z",
    "offers": [],
    "promotions": [],
    "faq": [],
    "publicCollectionsMeta": {
      "offers": {
        "total": 0,
        "returned": 0,
        "truncated": false
      },
      "promotions": {
        "total": 0,
        "returned": 0,
        "truncated": false
      },
      "faq": {
        "total": 0,
        "returned": 0,
        "truncated": false
      }
    },
    "locations": [],
    "businessDetailsAvailable": true,
    "businessNature": {
      "version": 1,
      "primary": "",
      "secondary": [],
      "customerMarkets": [],
      "otherLabel": "",
      "primaryLabel": "",
      "secondaryLabels": [],
      "provenance": {
        "sourceType": "",
        "sourceUrl": "",
        "updatedAt": null,
        "manuallyConfirmed": false
      }
    },
    "operatingHours": {
      "version": 1,
      "schedules": [],
      "provenance": {
        "sourceType": "",
        "sourceUrl": "",
        "updatedAt": null,
        "manuallyConfirmed": false
      }
    },
    "organizationType": "organization",
    "language": {
      "primary": "",
      "supported": [],
      "currencies": []
    },
    "categories": [
      {
        "slug": "software-it",
        "name": "Software & IT",
        "primary": true,
        "confidenceScore": 59
      }
    ],
    "services": [],
    "products": [],
    "agentCapabilities": [],
    "contacts": [
      {
        "type": "phone",
        "label": "Public phone",
        "value": "2020-2024",
        "url": "tel:20202024",
        "platform": "phone",
        "primary": true,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/cr-marcstevens?tab=repositories",
        "url": "https://github.com/cr-marcstevens?tab=repositories",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/cr-marcstevens/cryptris",
        "url": "https://github.com/cr-marcstevens/cryptris",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/cr-marcstevens/sha1collisiondetection",
        "url": "https://github.com/cr-marcstevens/sha1collisiondetection",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/corkami/collisions",
        "url": "https://github.com/corkami/collisions",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/cr-marcstevens/sha1_gpu_nearcollisionattacks",
        "url": "https://github.com/cr-marcstevens/sha1_gpu_nearcollisionattacks",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/WvanWoerden/G6K-GPU-Tensor",
        "url": "https://github.com/WvanWoerden/G6K-GPU-Tensor",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/fplll/g6k",
        "url": "https://github.com/fplll/g6k",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/cr-marcstevens/fplll-extenum",
        "url": "https://github.com/cr-marcstevens/fplll-extenum",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/cr-marcstevens/m4gb",
        "url": "https://github.com/cr-marcstevens/m4gb",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      },
      {
        "type": "social",
        "label": "github",
        "value": "https://github.com/codecryptanalysis/mccl",
        "url": "https://github.com/codecryptanalysis/mccl",
        "platform": "github",
        "primary": false,
        "verificationStatus": "public_source"
      }
    ],
    "serviceAreas": [],
    "sources": [
      {
        "type": "website",
        "url": "https://www.marc-stevens.nl/research/",
        "title": "Marc Stevens - Research",
        "primary": true,
        "lastObservedAt": "2026-10-28T12:03:17.363Z"
      }
    ],
    "timestamps": {
      "firstDiscoveredAt": "2026-10-28T12:03:17.363Z",
      "lastCrawledAt": "2026-10-28T12:03:49.742Z",
      "lastVerifiedAt": null,
      "publishedAt": "2026-10-28T12:03:49.742Z",
      "updatedAt": "2026-10-28T12:03:55.251Z"
    },
    "gatewayDiscovery": {
      "status": "unmapped",
      "activeAgent": false,
      "urls": {},
      "capabilities": {
        "ask": false,
        "checkout": false
      },
      "checkedAt": null
    },
    "quoteRequest": {
      "available": false,
      "endpoint": null
    }
  },
  "canonicalUrl": "https://directory.websdocs.com/business/marc-stevens-research",
  "generatedAt": "2026-11-03T12:47:06.615Z"
}