{
  "release": "3.0",
  "status": "final standalone technology-aligned material blueprint; integrated performance untested",
  "title": "Ørïelith//9 - The Skin of an Impossible Angel",
  "patch_mm": [
    20,
    20,
    1.6
  ],
  "active_field_mm": [
    16,
    16
  ],
  "taxels": [
    16,
    16
  ],
  "pitch_um": 1000,
  "island_um": [
    700,
    700
  ],
  "centers_mm": "x=2.5+i, y=2.5+j; i,j=0..15",
  "cavity_um": {
    "diameter": 500,
    "depth": 100,
    "diaphragm": 20
  },
  "ionic_transport_lengths_um": [
    5,
    15,
    50
  ],
  "illustrative_D_m2_per_s": 1e-11,
  "witness_ligament_um": [
    100,
    10,
    5
  ],
  "ligaments_per_taxel": 4,
  "witness_active_length_um": 20,
  "tag": {
    "carrier_um": [
      220,
      140,
      30
    ],
    "grid": [
      16,
      8
    ],
    "pitch_um": 10,
    "site_diameter_um": 6,
    "code": "RM(1,7)",
    "number_of_codewords": 256,
    "length": 128,
    "minimum_distance": 64,
    "id": "16*j+i",
    "a": "seven low ID bits",
    "b": "highest ID bit",
    "site": "x=16*row+column"
  },
  "material_terminal_channel_um": [
    40,
    30
  ],
  "terminal_min_septum_um": 10,
  "qualification_temperature_C": [
    20,
    40
  ],
  "ambient_repair_screen": {
    "temperature_C": 20,
    "relative_humidity_percent": 40,
    "duration_h": 24,
    "requires": "clean host faces recontacted; all assembled outcomes measured separately"
  },
  "tolerances_targets": {
    "layer_fraction": 0.1,
    "registration_um": 25,
    "tag_site_placement_um": 2
  },
  "gates_are_targets_not_results": true,
  "unresolved": [
    "ionic barrier qualification",
    "W0/WG and C-SH cure/deprotection and interphase qualification",
    "skin-scale writer activation window",
    "elastically active WG-C capture and retained force recruitment",
    "stable calibrated reference and matched translation",
    "loaded travel-stop validation",
    "permanent tag chemistry",
    "full terminal routing mask",
    "assembled functional healing"
  ],
  "writable_tether": {
    "topology": "active sensor ki in series with g_A; parallel stable reference K_R and shared host bypass B",
    "ledger": "reduced g=g0-a_loss*m+b_gain*r; 0<=r<=min(m,theta); add -L_B for separately activated inaccessible bulk",
    "inventory_reference": "measured force-bearing interface-eligible writer population N_I; not all bulk feed",
    "settled_requirement": "b_gain*chi>a_loss AND fractional Ks growth exceeds fractional Kb growth",
    "nano_reaction_reach_target_nm": 5,
    "receiver_coat_um": 2,
    "reactive_cassette_to_exposed_host_um": 5,
    "support_W0_um": 4.9,
    "writer_WG_nominal_nm": 100,
    "writer_WG_tolerance_nm": 20,
    "WG_screened_DA_mmol_per_10mmol_HMA": [
      0.05,
      0.1,
      0.25
    ],
    "reference_KR_N_m": 20,
    "travel_stop_measured_upper_target_um": 50,
    "fine_post_footprint_um": [
      100,
      100
    ],
    "active_post_centers_um": [
      [
        100,
        100
      ],
      [
        -100,
        -100
      ]
    ],
    "reference_post_centers_um": [
      [
        100,
        -100
      ],
      [
        -100,
        100
      ]
    ],
    "example_N_per_m": {
      "ki": 100,
      "g0": 25,
      "g1": 200,
      "Kb": 80,
      "a_loss": 10,
      "b_gain": 185
    }
  },
  "layers": [
    {
      "layer": "L0",
      "z0_um": 0,
      "z1_um": 60,
      "thickness_um": 60,
      "role": "H-S contact film"
    },
    {
      "layer": "L1",
      "z0_um": 60,
      "z1_um": 160,
      "thickness_um": 100,
      "role": "Shared load spreading and travel-stop allocation"
    },
    {
      "layer": "L2",
      "z0_um": 160,
      "z1_um": 460,
      "thickness_um": 300,
      "role": "Matched A/R sensing elements; optional isolated trace wells"
    },
    {
      "layer": "L3",
      "z0_um": 460,
      "z1_um": 540,
      "thickness_um": 80,
      "role": "Isolation septum"
    },
    {
      "layer": "L4",
      "z0_um": 540,
      "z1_um": 780,
      "thickness_um": 240,
      "role": "W0/WG-C coupling, stable reference, archive and identity"
    },
    {
      "layer": "L5",
      "z0_um": 780,
      "z1_um": 880,
      "thickness_um": 100,
      "role": "Material terminals"
    },
    {
      "layer": "L6",
      "z0_um": 880,
      "z1_um": 1500,
      "thickness_um": 620,
      "role": "Recoil dermis"
    },
    {
      "layer": "L7",
      "z0_um": 1500,
      "z1_um": 1600,
      "thickness_um": 100,
      "role": "Attachment"
    }
  ]
}