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CBT Tape

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A green key on the record, left, is one Decision Insights added. It doesn't exist on the company's site or in a wire feed. The same key labels its row on the right, so you can match them directly. More on how DI enriches a record.

The record

This is what the machine sees: the exact JSON-LD an agent receives for this listing.

WebSite
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Organization
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    "email": "[email protected]"
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  "description": "Decision Insights is a Registry of technology companies, open source projects, and industry terms, built for people and for AI agents that need sourced, structured information.",
  "logo": {
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    "url": "https://wiretap-cdn-assets.nyc3.cdn.digitaloceanspaces.com/decision-insights/[email protected]"
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BreadcrumbList
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      "name": "Decision Insights",
      "position": 1
    },
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      "item": "https://decisioninsights.ai/registry/",
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      "item": "https://decisioninsights.ai/registry/open-mainframe-project/",
      "name": "Open Mainframe Project",
      "position": 4
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    {
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      "item": "https://decisioninsights.ai/projects/cbt-tape/",
      "name": "CBT Tape",
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}
SoftwareSourceCode
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          "name": "COBOL Check"
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          "name": "Open Mainframe"
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          "@type": "SoftwareSourceCode",
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          "@type": "SoftwareSourceCode",
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          "name": "Zowe"
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          "@id": "https://decisioninsights.ai/projects/cobol-programming-course/#project",
          "@type": "SoftwareSourceCode",
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          "name": "COBOL Programming Course"
        },
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          "@type": "SoftwareSourceCode",
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          "name": "Ambitus"
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          "@type": "SoftwareSourceCode",
          "mainEntityOfPage": "https://decisioninsights.ai/projects/software-discovery-tool/",
          "name": "Software Discovery Tool"
        },
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          "@id": "https://decisioninsights.ai/projects/zorow/#project",
          "@type": "SoftwareSourceCode",
          "mainEntityOfPage": "https://decisioninsights.ai/projects/zorow/",
          "name": "Zorow"
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      ]
    },
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      "@type": "PropertyValue",
      "name": "Related organizations",
      "propertyID": "https://decisioninsights.ai/ns#relatedOrganizations",
      "value": [
        {
          "@id": "https://decisioninsights.ai/registry/finisar-corporation/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/finisar-corporation/",
          "name": "Finisar oration"
        },
        {
          "@id": "https://decisioninsights.ai/registry/innolight-technology/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/innolight-technology/",
          "name": "InnoLight Technology"
        },
        {
          "@id": "https://decisioninsights.ai/registry/stmicroelectronics/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/stmicroelectronics/",
          "name": "STMicroelectronics"
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        {
          "@id": "https://decisioninsights.ai/registry/arch-linux/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/arch-linux/",
          "name": "Arch Linux"
        },
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          "@id": "https://decisioninsights.ai/registry/auradine/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/auradine/",
          "name": "Auradine"
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        {
          "@id": "https://decisioninsights.ai/registry/debian-wb2k8t/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/debian-wb2k8t/",
          "name": "Debian"
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          "@id": "https://decisioninsights.ai/registry/seecontrol-enterprise/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/seecontrol-enterprise/",
          "name": "SeeControl.com"
        },
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          "@id": "https://decisioninsights.ai/registry/sony-semiconductors/#organization",
          "@type": "Organization",
          "mainEntityOfPage": "https://decisioninsights.ai/registry/sony-semiconductors/",
          "name": "Sony Semiconductors"
        }
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    "@type": "Organization",
    "mainEntityOfPage": "https://decisioninsights.ai/registry/open-mainframe-project/",
    "name": "Open Mainframe Project"
  },
  "dateModified": "2026-08-27T03:10:35Z",
  "description": "CBT Tape is a community-curated repository and distribution of user-contributed tools and utilities for IBM z/OS mainframe environments.",
  "keywords": [
    "Open Source",
    "Automation",
    "Components",
    "Enterprise",
    "Single-Mode Fiber",
    "Software"
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      "mainEntityOfPage": "https://decisioninsights.ai/term/ai-infrastructure/",
      "name": "AI infrastructure"
    },
    {
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      "mainEntityOfPage": "https://decisioninsights.ai/term/cybersecurity/",
      "name": "Cybersecurity"
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      "name": "Network Operator"
    },
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      "@type": "DefinedTerm",
      "mainEntityOfPage": "https://decisioninsights.ai/term/sd-storage/",
      "name": "Storage"
    },
    {
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      "name": "Automation"
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      "name": "Components"
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      "name": "Enterprise"
    },
    {
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      "@type": "DefinedTerm",
      "mainEntityOfPage": "https://decisioninsights.ai/term/single-mode-fiber-smf/",
      "name": "Single-Mode Fiber"
    },
    {
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      "@type": "DefinedTerm",
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      "name": "Software"
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  "maintainer": {
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    "@type": "Organization",
    "mainEntityOfPage": "https://decisioninsights.ai/registry/open-mainframe-project/",
    "name": "Open Mainframe Project"
  },
  "name": "CBT Tape",
  "publisher": {
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    "@type": "Organization",
    "mainEntityOfPage": "https://decisioninsights.ai/registry/open-mainframe-project/",
    "name": "Open Mainframe Project"
  },
  "url": "https://www.cbttape.org/"
}
What we add

Topic graph

A wire service tags a release with a category, once. It doesn't maintain a durable graph over time. We connect them to a topic graph an agent can query.

AI infrastructure https://decisioninsights.ai/term/ai-infrastructure/ Cybersecurity https://decisioninsights.ai/term/cybersecurity/ Network Operator https://decisioninsights.ai/term/network-operator/ and 6 more

Counted facts

A protocol or open source project keeps no vendor list and publishes no figures of its own to check this against. This counts how it actually shows up across the graph -- articles that name it, the organizations named alongside it in those articles, similar projects, and organizations whose topic tags overlap with its own -- computed, not curated.

Related projects COBOL Check, Open Mainframe, Tessia, Zowe, COBOL Programming Course, Ambitus, Software Discovery Tool, Zorow Related organizations Finisar oration, InnoLight Technology, STMicroelectronics, Arch Linux, Auradine, Debian, SeeControl.com, Sony Semiconductors