{
  "title": "Robot Component Source Directory Delta: 101 Channels, 74 Primary Sources, 21 Direct Monitors",
  "rciNumber": "RCI 045",
  "version": "0.1.0",
  "schemaVersion": 1,
  "released": "2026-08-11",
  "canonical": "https://robotcomponentindex.com/research/robot-component-source-directory-delta-audit/",
  "scope": "A reproducible delta audit between immutable RCI source-directory releases v0.1.2 and v0.1.5. It identifies five added manufacturer-maintained engineering channels, recomputes source-group, hardware-layer, primary-source and monitor coverage, and preserves the item-level rights and bounded-network-observation limits.",
  "releaseIdentity": {
    "baselineVersion": "0.1.2",
    "baselineJson": "https://robotcomponentindex.com/data/releases/v0.1.2/source-directory.json",
    "currentVersion": "0.1.5",
    "currentJson": "https://robotcomponentindex.com/data/releases/v0.1.5/source-directory.json",
    "networkAudit": "data/source-audits/2026-08-11-v0.1.5-network.json",
    "manualReview": "data/source-audits/2026-08-11-v0.1.5-network-manual-review.json"
  },
  "summary": {
    "baselineChannels": 96,
    "currentChannels": 101,
    "addedChannels": 5,
    "removedChannels": 0,
    "baselinePrimaryChannels": 69,
    "currentPrimaryChannels": 74,
    "baselineDirectMonitors": 16,
    "currentDirectMonitors": 21,
    "sourceGroups": 9,
    "hardwareLayers": 5,
    "reuseClasses": 5,
    "blanketRepublicationGrants": 0
  },
  "addedChannels": [
    {
      "id": "orbbec-sdk-v2-releases",
      "name": "Orbbec SDK v2 releases",
      "group": "Manufacturer engineering",
      "coverage": [
        "perception-sensing",
        "compute-control",
        "interfaces-integration"
      ],
      "useClass": "ITEM_LICENSE",
      "primary": true,
      "directMonitor": true,
      "responsibleUrl": "https://github.com/orbbec/OrbbecSDK_v2/releases",
      "boundary": "The repository exposes an MIT project license plus a restricted extension-library license; binaries, firmware, models, release prose and third-party files remain item-specific."
    },
    {
      "id": "stereolabs-zed-sdk-releases",
      "name": "Stereolabs ZED SDK releases",
      "group": "Manufacturer engineering",
      "coverage": [
        "perception-sensing",
        "compute-control",
        "interfaces-integration"
      ],
      "useClass": "ITEM_LICENSE",
      "primary": true,
      "directMonitor": true,
      "responsibleUrl": "https://github.com/stereolabs/zed-sdk/releases",
      "boundary": "The repository code license does not automatically license installers, models, firmware, services, media or third-party dependencies."
    },
    {
      "id": "hesai-lidar-sdk2-releases",
      "name": "Hesai LiDAR SDK 2.0 releases",
      "group": "Manufacturer engineering",
      "coverage": [
        "perception-sensing",
        "compute-control",
        "interfaces-integration"
      ],
      "useClass": "ITEM_LICENSE",
      "primary": true,
      "directMonitor": true,
      "responsibleUrl": "https://github.com/HesaiTechnology/HesaiLidar_SDK_2.0/releases",
      "boundary": "Modified-BSD repository code is distinct from calibration files, documentation, binaries, release assets and third-party dependencies."
    },
    {
      "id": "robotis-dynamixelsdk-releases",
      "name": "ROBOTIS DynamixelSDK releases",
      "group": "Manufacturer engineering",
      "coverage": [
        "motion-actuation",
        "compute-control",
        "interfaces-integration"
      ],
      "useClass": "ITEM_LICENSE",
      "primary": true,
      "directMonitor": true,
      "responsibleUrl": "https://github.com/ROBOTIS-GIT/DynamixelSDK/releases",
      "boundary": "Apache-2.0 repository code does not establish exact actuator compatibility or license firmware, manuals, binaries and bundled dependencies."
    },
    {
      "id": "nvidia-isaac-ros-common-releases",
      "name": "NVIDIA Isaac ROS Common releases",
      "group": "Manufacturer engineering",
      "coverage": [
        "perception-sensing",
        "compute-control",
        "interfaces-integration"
      ],
      "useClass": "ITEM_LICENSE",
      "primary": true,
      "directMonitor": true,
      "responsibleUrl": "https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_common/releases",
      "boundary": "Apache-2.0 repository code is distinct from containers, CUDA or JetPack dependencies, models, binaries, documentation assets and hardware-support matrices."
    }
  ],
  "groupDeltas": [
    {
      "group": "Manufacturer engineering",
      "baselineChannels": 14,
      "currentChannels": 19,
      "channelDelta": 5,
      "baselinePrimary": 14,
      "currentPrimary": 19,
      "primaryDelta": 5,
      "baselineDirectMonitors": 6,
      "currentDirectMonitors": 11,
      "monitorDelta": 5
    },
    {
      "group": "All other eight groups",
      "baselineChannels": 82,
      "currentChannels": 82,
      "channelDelta": 0,
      "baselinePrimary": 55,
      "currentPrimary": 55,
      "primaryDelta": 0,
      "baselineDirectMonitors": 10,
      "currentDirectMonitors": 10,
      "monitorDelta": 0
    }
  ],
  "layerDeltas": [
    {
      "layer": "motion-actuation",
      "label": "Motion & actuation",
      "baselineChannels": 61,
      "currentChannels": 62,
      "channelDelta": 1,
      "baselinePrimary": 41,
      "currentPrimary": 42,
      "baselineDirectMonitors": 10,
      "currentDirectMonitors": 11
    },
    {
      "layer": "perception-sensing",
      "label": "Perception & sensing",
      "baselineChannels": 73,
      "currentChannels": 77,
      "channelDelta": 4,
      "baselinePrimary": 51,
      "currentPrimary": 55,
      "baselineDirectMonitors": 15,
      "currentDirectMonitors": 19
    },
    {
      "layer": "compute-control",
      "label": "Compute & control",
      "baselineChannels": 93,
      "currentChannels": 98,
      "channelDelta": 5,
      "baselinePrimary": 66,
      "currentPrimary": 71,
      "baselineDirectMonitors": 16,
      "currentDirectMonitors": 21
    },
    {
      "layer": "power-energy",
      "label": "Power & energy",
      "baselineChannels": 59,
      "currentChannels": 59,
      "channelDelta": 0,
      "baselinePrimary": 38,
      "currentPrimary": 38,
      "baselineDirectMonitors": 9,
      "currentDirectMonitors": 9
    },
    {
      "layer": "interfaces-integration",
      "label": "Interfaces & integration",
      "baselineChannels": 92,
      "currentChannels": 97,
      "channelDelta": 5,
      "baselinePrimary": 65,
      "currentPrimary": 70,
      "baselineDirectMonitors": 16,
      "currentDirectMonitors": 21
    }
  ],
  "reuseClassDeltas": [
    {
      "useClass": "OPEN",
      "baselineChannels": 8,
      "currentChannels": 8,
      "channelDelta": 0
    },
    {
      "useClass": "ITEM_LICENSE",
      "baselineChannels": 21,
      "currentChannels": 26,
      "channelDelta": 5
    },
    {
      "useClass": "FACTS",
      "baselineChannels": 40,
      "currentChannels": 40,
      "channelDelta": 0
    },
    {
      "useClass": "PERMISSION",
      "baselineChannels": 13,
      "currentChannels": 13,
      "channelDelta": 0
    },
    {
      "useClass": "LEAD",
      "baselineChannels": 14,
      "currentChannels": 14,
      "channelDelta": 0
    }
  ],
  "networkObservation": {
    "observedAt": "2026-08-11T05:14:12.327Z",
    "endpointCount": 152,
    "reachable": 132,
    "automationRestricted": 15,
    "explicitlyBroken": 0,
    "otherErrors": 5,
    "manuallyReviewedErrors": 5,
    "reachableOnIndependentHeadCheck": 3,
    "certificateFailureConfirmed": 1,
    "accessOrAutomationFailureConfirmed": 1,
    "sourcesRemoved": 0,
    "rightsClassChanges": 0,
    "boundary": "Endpoint reachability is a dated transport observation, not a quality, authority, rights, independence, completeness or continuous-uptime score. Manual review did not bypass TLS or access controls."
  },
  "method": "RCI compared record IDs in immutable source-directory v0.1.2 and v0.1.5, recomputed group, coverage, primary, direct-monitor and reuse-class counts from v0.1.5 records, and joined the bounded v0.1.5 network audit with its five-record manual-review ledger. No source was promoted from a lead, no item-level license was generalized into blanket republication permission and no hardware claim was validated by this audit.",
  "highestCompletedWorkLevel": "EV3 directory-delta recomputation",
  "limitations": [
    "The directory is curated and operational; 101 channels is not a claim to enumerate every robotics source worldwide.",
    "Hardware-layer counts overlap because one channel may cover several layers and must not be summed into a unique total.",
    "Primary identifies the responsible source for its own release or product; it does not mean independent validation.",
    "ITEM_LICENSE requires checking the exact release, file, asset and third-party notices before reuse.",
    "The five additions improve manufacturer release monitoring but add no power-energy channel, independent laboratory or accredited-test source.",
    "RCI ran no hardware, firmware, SDK, robot or compatibility test for this directory delta."
  ],
  "license": {
    "rciOwnedData": "CC-BY-4.0",
    "rciOwnedCode": "MIT",
    "thirdPartyMaterials": "excluded; retain source-specific rights",
    "note": "This dataset contains RCI-authored classifications, recomputed counts and original analysis; linked third-party pages and repositories retain their own rights."
  },
  "suggestedCitation": "Robot Component Index. “Robot Component Source Directory Delta: 101 Channels, 74 Primary Sources, 21 Direct Monitors.” RCI 045, version 0.1.0, 2026-08-11. https://robotcomponentindex.com/research/robot-component-source-directory-delta-audit/"
}