{
  "schema": "hsimc.t736.supplier-first-evaluation.v1",
  "artifact": "HRI-HSIMC-T736-BOARD-B-SUPPLIER-FIRST-RESEARCH-CONCLUSION-C0-009-20261011",
  "edition": "C0-009",
  "publication_date": "2026-10-11",
  "canonical_url": "https://hsimc.tech/rd/t736/ecosystem/evidence/ais-hk2-first-supplier-evaluation/",
  "research_classification": "ONE_EVALUATION_DEVICE_EXPERIMENTAL_NOT_PRODUCTION",
  "subject": {
    "soc": "Allwinner T736",
    "sample_node": "AIS-equipped Board B (hk2)",
    "os": "Ubuntu Linux 5.15.119",
    "supplier_product_family_certification": false,
    "scope": "Single board and locally observed software setup; not all supplier SKUs or promised performance"
  },
  "conclusions": {
    "physical_NPU_feasibility": "DEMONSTRATED_FIXED_SAMPLES_ON_PREVIOUS_BOOT",
    "bounded_MCP_NPU_feasibility": "DEMONSTRATED_6_TOOLS_6_RESOURCES_AND_TWO_FRESH_OPERATIONS_ON_PREVIOUS_BOOT",
    "LTE_carrier_network_gateway": "SCOPED_LIVE_PASS_AFTER_ONESHOT_MODEMMANAGER_RECOVERY",
    "WD_4TB_vfat_exfat_metadata_RO_mount": "PASS_BOTH_WITH_NORMAL_UNMOUNT",
    "unattended_reboot_and_NPU_auto_restore": "FAILED_ON_ONE_REAL_REBOOT",
    "post_failure_safety_rollback": "PASS_VERIFIED_ON_DEVICE",
    "general_production_readiness": "NOT_ESTABLISHED",
    "research_disposition": "TECHNICAL_ROUTE_FEASIBLE_CONTINUE_R_AND_D_NO_PRODUCTION_RELEASE"
  },
  "history": {
    "old_successful_NPU_MCP_boot": "9874c280-575f-43b6-977e-6ae7d7ba704f",
    "rebooted_experimental_boot": "2aa53d5f-b2db-40d2-bfae-3fcb214c0f7f",
    "NPU_on_current_boot_after_reboot": "UNBOUND_NO_DEV_VIPCORE",
    "current_old_B0_004_readonly_MCP": "3_TOOLS_3_RESOURCES_PASS_AFTER_REBOOT",
    "old_B0_006_new_boot_reuse": "PROHIBITED_BOOT_PINNED"
  },
  "NPU_results": {
    "fixed_NBG": {
      "result": "RUN_PASS_NOT_ACCURACY_CERTIFIED",
      "MCP_profile_us": 12835,
      "model_golden_for_this_NBG": "NOT_TESTED"
    },
    "vendor_custom_lut": {
      "result": "EXACT_256_BYTE_VENDOR_GOLDEN_PASS",
      "MCP_profile_us": 28,
      "comparison": "ONE_FIXED_REFERENCE_ON_OLD_BOOT"
    },
    "profile_note": "Device-reported NPU fixed single-sample time, not HTTP/LLM end-to-end latency"
  },
  "reboot_experiment": {
    "authorized_real_reboots": 1,
    "ssh_eth_management_new_boot": "RECOVERED",
    "cellular_ppp0_new_boot": "RECOVERED",
    "NPU_systemd_unit": "STARTED_EARLY_FAILED_EXIT_CODE_4",
    "precise_first_failing_precondition": "NOT_PROVEN_GENERIC_EXCEPTION_HANDLER",
    "boot_sequence": "NPU service failed before USB WD device and wlan0/eth1 fully initialized",
    "usb_WD_partitions": "AUTO_MOUNTED_RW_AFTER_REBOOT",
    "filesystem_kernel_warnings": "exFAT_AND_VFAT_UNCLEAN_UNMOUNT_WARNINGS",
    "file_damage_confirmed": false,
    "old_3x3_MCP_new_boot": "INDEPENDENT_SDK_READBACK_PASS",
    "new_boot_NPU_and_6x6": "NOT_ACCEPTED"
  },
  "current_reconciled_state": {
    "experimental_service_enabled": false,
    "service_historical_failed_state": "PRESERVED_FOR_EVIDENCE",
    "WD_sdd1_mount": "UNMOUNTED",
    "WD_sdd2_mount": "UNMOUNTED",
    "cellular_ppp0_at_last_readback": "PRESENT",
    "NPU_current_boot": "NOT_LOADED",
    "no_second_reboot": true,
    "no_forced_unmount_or_fsck_format": true,
    "no_public_endpoint_for_MCP": true
  },
  "not_claimed": [
    "production-grade unattended power recovery",
    "arbitrary GenAI model accuracy or 3 TOPS benchmarking",
    "repeatable NPU startup after reboot",
    "WD full disk integrity or read-write production service",
    "long-duration cellular carrier or end-to-end client SLA",
    "authorization to run general physical work",
    "endorsement or certification by the SoC or board supplier"
  ],
  "public_evidence": {
    "private_source_sha256": {
      "NPU_MCP_B0_006_same_boot_sha256": "0a68cfa929d4b0db277311ee7b29fb42ae985daddbba42aa8bcb2a5f838bd1f2",
      "LTE_network_B0_007_sha256": "1a3a26bf7a19d36ca56b057eaf84a7e977feff04a658844092eebbe160730a09",
      "WD_VFAT_exFAT_B0_008_sha256": "a56cae476c96a19baab068d3d90cf6db68fce37f0d8dc5442fca1f47b33b5ff3",
      "real_reboot_negative_B0_009R1_sha256": "a19d1f37207123b0437e4223565185b183f413635f1f5ecc8aca16ba0679be12",
      "operator_safe_rollback_log_sha256": "06afc6a974c04f521499c2bf40547aec6bce4d4ff81cedd0282b6ab8bb32486b",
      "independent_post_rollback_readback_sha256": "10fd84439c207ffcd42b2ea4ea56022c96ca96c6a4a445d4f6ed677c7230d587"
    },
    "prior_C0_008": "https://hsimc.tech/rd/t736/ecosystem/evidence/ais-hk2-npu-golden/",
    "private_user_prompt_or_SSH_keys_published": false,
    "WD_file_contents_or_private_SIM_details_published": false,
    "private_evidence_handling": "Private exact source receipts verified locally; raw logs and credentials are not published"
  }
}