{
  "schema": "hsimc.rd.evidence.human-signal.v1",
  "artifact_id": "HRI-HSIMC-RD-HUMAN-SIGNAL-BCI-EEG-P006-C0-001-20261015",
  "date": "2026-10-15",
  "product_number": "006",
  "public_route": "https://hsimc.tech/rd/bci-eeg/",
  "title": "Human Signal-to-Capability / BCI EEG First Reference",
  "purpose": "Recover the 2026 May XFocus20 Android BLE EEG experimental milestone as an honest, reproducible GenAI Physical human-input research case rather than another EEG hardware brand.",
  "status": "RESEARCH_ARTIFACTS_VERIFIED_AND_HISTORICAL_NUMERIC_OBSERVATIONS; QUALITY_VALIDATION_AND_INTENT_DECODE_NOT_ACCEPTED",
  "source_classes": {
    "source_file_verified": "The Mac file bytes and SHA256 were read in October 2026, independent of claims of device operation.",
    "historical_operator_chat": "Operator and assistant discussed observed device/app values in May 2026. Full original synchronized timestamped raw log or screenshots are not included in this public package.",
    "vendor_demo_observation": "A manufacturer's demonstrator screenshot was reported in the historical exchange, not a result produced by the custom app.",
    "planned": "Design proposal or documented technical target, not an accepted executed experiment."
  },
  "artifact_sources": [
    {
      "id": "zkbrain-main-java",
      "kind": "SOURCE_FILE_VERIFIED",
      "path_private_reference": "zkbrain-apk/app/src/main/java/tech/homelinked/zkbrainhello/MainActivity.java",
      "sha256": "5203c2424bda23a95fdfe0638985eaa20106f5a9db885d32378432d37fcbb709",
      "bytes": 9153,
      "mtime_utc": "2026-05-24T07:04:52Z",
      "functions_seen": [
        "BLE scan/connect/reconnect",
        "ZKBrainManager SDK integration",
        "onRawDataReceived",
        "onBrainWaveDataReceived",
        "onGravityDataReceived",
        "setDataType(mac,15) attempted in code"
      ],
      "caution": "Source code shows intended callbacks and command calls, not proof that all ran successfully."
    },
    {
      "id": "shenura-main-java",
      "kind": "SOURCE_FILE_VERIFIED",
      "path_private_reference": "shenura-brain/app/src/main/java/tech/homelinked/shenurabrain/MainActivity.java",
      "sha256": "0861f39edbddd8c78f5a1998d17d88823fef79793a5de60c215a0e77f56b6c9d",
      "bytes": 8508,
      "mtime_utc": "2026-05-24T06:45:50Z",
      "caution": "Alternate Android source recovered; not independent evidence of an additional working EEG stream."
    },
    {
      "id": "android-freeze",
      "kind": "ARCHIVE_FILE_VERIFIED",
      "path_private_reference": "Desktop/zkbrain-sen-v2_2-freeze.tar.gz",
      "sha256": "4bb2c3ecff4818c2c72c4f9d702fcd2038792d1f2dc37cd020687b28def9d790",
      "bytes": 2162476,
      "mtime_utc": "2026-05-24T06:00:54Z",
      "caution": "Archive contains an Android project and dependencies; does not substitute for real device signal log."
    },
    {
      "id": "android-debug-build",
      "kind": "APK_FILE_VERIFIED",
      "path_private_reference": "zkbrain-apk/app/build/outputs/apk/debug/app-debug.apk",
      "sha256": "61d8ae341b4b2ea9eebdef47b7510480d79dbdcebf749c3cd01c31d60efd9626",
      "bytes": 734844,
      "mtime_utc": "2026-05-24T07:04:53Z",
      "app_id": "tech.homelinked.zkbrainhello",
      "variant": "debug",
      "version_name": "1.1",
      "caution": "Debug APK and any manufacturer code remain unpublished."
    },
    {
      "id": "vendor-sdk",
      "kind": "DEPENDENCY_FILE_VERIFIED_NOT_DISTRIBUTABLE",
      "product": "ZKBrain_release_1.0.1.aar",
      "sha256": "3b6b32085c9a60a8c0248517a3c9d80a1d7d15671991e13af888d163964b98c4",
      "bytes": 663289,
      "caution": "Proprietary manufacturer dependency present locally; not licensed here for public redistribution."
    }
  ],
  "observed_milestones": [
    {
      "date": "2026-05-24",
      "device": "ZKTeco XFocus20",
      "platform": "Android Bluetooth LE + ZKBrain SDK",
      "kind": "HISTORICAL_OPERATOR_CHAT",
      "observation": "Custom Android application reportedly received isolated raw values 214, -205 and 458.",
      "values": [
        214,
        -205,
        458
      ],
      "full_raw_log_currently_recovered": false,
      "interpretation": "Numerical data reception first-step observation, not validated EEG fidelity."
    },
    {
      "date": "2026-05-24",
      "device": "ZKTeco XFocus20",
      "platform": "Android Bluetooth LE + ZKBrain SDK",
      "kind": "HISTORICAL_OPERATOR_CHAT",
      "observation": "Later reported values include 1680,-2048,2047 and reported battery 10.0; attention and meditation were zero in the custom application.",
      "values": [
        1680,
        -2048,
        2047
      ],
      "quality_caution": "Near-range values may represent saturation or format/mode issues; cause unverified; SDK parity incomplete.",
      "full_raw_log_currently_recovered": false
    },
    {
      "date": "2026-05-24",
      "device": "ZKTeco XFocus20",
      "platform": "Official vendor demo",
      "kind": "VENDOR_DEMO_OBSERVATION",
      "observation": "Vendor demonstrator screenshot historically reported attentionLevel=87 and non-empty fields for meditation, gravity and headState.",
      "value_example": 87,
      "not_same_as_custom_runtime": true,
      "source_screenshot_currently_recovered": false
    }
  ],
  "planned_not_accepted": [
    {
      "date": "2026-06-08",
      "item": "TGAT1 + CH340 + USB serial minimal EEG bench",
      "kind": "DESIGN_AND_VENDOR_DATASHEET_ONLY",
      "physical_uart_bytes_received": "NOT_VERIFIED"
    },
    {
      "item": "Human thought to intention decoding / direct machinery / diagnosis",
      "kind": "CONCEPT_ONLY",
      "acceptance": "NO"
    },
    {
      "item": "BCI MCP-native live tool serving current EEG",
      "kind": "FUTURE_CONTRACT_ONLY",
      "acceptance": "NO"
    }
  ],
  "privacy_and_authority": {
    "subject_identity": "NONE_PUBLISHED",
    "headset_mac": "NONE_PUBLISHED",
    "full_biometric_recording": "NOT_PUBLISHED",
    "vendor_binary_and_private_datasheets": "NOT_PUBLISHED",
    "clinical_claims": "NONE",
    "execution_authority": "NONE"
  },
  "open_questions": [
    "Locate original 24 May logcat and vendor demo screenshot, ideally with clean human permission and source hashes.",
    "Re-test signal quality and clipping under known sampling/report settings on permitted devices.",
    "Distinguish actual raw EEG acquisition from vendor-derived cognitive scores.",
    "Document safe, supervised, consented, non-medical GenAI Physical workflows."
  ]
}