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‎downloads/asterion-fcta-v1.0-public-release/asterion-fcta-v1.0/calculations/v0_4/cg_loading_cases.csv‎

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case_id,total_mass_kg,propellant_mass_kg,payload_mass_kg,cg_x_m,cg_y_m,cg_z_m
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DRY_DOCKED,50542.000,0.000,0.000,2.07748,-0.00006,0.00006
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10_PERCENT_RESERVE,51742.000,1200.000,0.000,1.82057,-0.00006,0.00006
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50_PERCENT_PROPELLANT,56542.000,6000.000,0.000,0.90198,-0.00005,0.00005
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FULL_PROPELLANT,62542.000,12000.000,0.000,-0.04797,-0.00005,0.00005
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FULL_PROPELLANT_PLUS_3000KG_PAYLOAD,65542.000,12000.000,3000.000,0.68658,-0.00005,0.00005
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DRY_WITHOUT_SKIMMER,45042.000,0.000,0.000,-0.78260,-0.00007,0.00007

‎downloads/asterion-fcta-v1.0-public-release/asterion-fcta-v1.0/calculations/v0_4/component_mass_properties.csv‎

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item_id,subsystem,description,mass_kg,x_m,y_m,z_m,maturity,source
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AST-MASS-001,Structure,V0.3 idealised primary beam structure,7742.000,0.0000,0.0000,0.0000,Class IV,V0.3 beam-section estimate
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AST-MASS-120,Habitation,Ring 1 pressure and protection sector 1,300.000,-2.5000,12.0000,0.0000,Class IV,Parametric allowance
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AST-MASS-121,Habitation,Ring 1 pressure and protection sector 2,300.000,-2.5000,10.3923,6.0000,Class IV,Parametric allowance
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AST-MASS-122,Habitation,Ring 1 pressure and protection sector 3,300.000,-2.5000,6.0000,10.3923,Class IV,Parametric allowance
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AST-MASS-123,Habitation,Ring 1 pressure and protection sector 4,300.000,-2.5000,0.0000,12.0000,Class IV,Parametric allowance
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AST-MASS-124,Habitation,Ring 1 pressure and protection sector 5,300.000,-2.5000,-6.0000,10.3923,Class IV,Parametric allowance
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AST-MASS-125,Habitation,Ring 1 pressure and protection sector 6,300.000,-2.5000,-10.3923,6.0000,Class IV,Parametric allowance
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AST-MASS-126,Habitation,Ring 1 pressure and protection sector 7,300.000,-2.5000,-12.0000,0.0000,Class IV,Parametric allowance
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AST-MASS-127,Habitation,Ring 1 pressure and protection sector 8,300.000,-2.5000,-10.3923,-6.0000,Class IV,Parametric allowance
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AST-MASS-128,Habitation,Ring 1 pressure and protection sector 9,300.000,-2.5000,-6.0000,-10.3923,Class IV,Parametric allowance
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AST-MASS-129,Habitation,Ring 1 pressure and protection sector 10,300.000,-2.5000,-0.0000,-12.0000,Class IV,Parametric allowance
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AST-MASS-130,Habitation,Ring 1 pressure and protection sector 11,300.000,-2.5000,6.0000,-10.3923,Class IV,Parametric allowance
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AST-MASS-131,Habitation,Ring 1 pressure and protection sector 12,300.000,-2.5000,10.3923,-6.0000,Class IV,Parametric allowance
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AST-MASS-151,Ring mechanism,"Ring 1 bearing, drive and rotary interfaces",1800.000,-2.5000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-140,Habitation,Ring 2 pressure and protection sector 1,300.000,2.5000,12.0000,0.0000,Class IV,Parametric allowance
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AST-MASS-141,Habitation,Ring 2 pressure and protection sector 2,300.000,2.5000,10.3923,6.0000,Class IV,Parametric allowance
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AST-MASS-142,Habitation,Ring 2 pressure and protection sector 3,300.000,2.5000,6.0000,10.3923,Class IV,Parametric allowance
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AST-MASS-143,Habitation,Ring 2 pressure and protection sector 4,300.000,2.5000,0.0000,12.0000,Class IV,Parametric allowance
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AST-MASS-144,Habitation,Ring 2 pressure and protection sector 5,300.000,2.5000,-6.0000,10.3923,Class IV,Parametric allowance
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AST-MASS-145,Habitation,Ring 2 pressure and protection sector 6,300.000,2.5000,-10.3923,6.0000,Class IV,Parametric allowance
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AST-MASS-146,Habitation,Ring 2 pressure and protection sector 7,300.000,2.5000,-12.0000,0.0000,Class IV,Parametric allowance
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AST-MASS-147,Habitation,Ring 2 pressure and protection sector 8,300.000,2.5000,-10.3923,-6.0000,Class IV,Parametric allowance
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AST-MASS-148,Habitation,Ring 2 pressure and protection sector 9,300.000,2.5000,-6.0000,-10.3923,Class IV,Parametric allowance
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AST-MASS-149,Habitation,Ring 2 pressure and protection sector 10,300.000,2.5000,-0.0000,-12.0000,Class IV,Parametric allowance
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AST-MASS-150,Habitation,Ring 2 pressure and protection sector 11,300.000,2.5000,6.0000,-10.3923,Class IV,Parametric allowance
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AST-MASS-151,Habitation,Ring 2 pressure and protection sector 12,300.000,2.5000,10.3923,-6.0000,Class IV,Parametric allowance
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AST-MASS-152,Ring mechanism,"Ring 2 bearing, drive and rotary interfaces",1800.000,2.5000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-200,Command,Command and navigation module,2400.000,12.0000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-201,Service,Service and environmental-control module,3000.000,-10.0000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-202,Radiation refuge,Water-shielded storm refuge,2200.000,7.0000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-203,Logistics,Logistics and spares module,1800.000,16.0000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-204,Docking,Forward docking assembly,750.000,21.4000,0.0000,0.0000,Class IV,Subsystem allowance
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AST-MASS-221,Power,Deployable solar wing 1,900.000,3.0000,15.1000,0.0000,Class IV,Wing mass allowance
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AST-MASS-222,Power,Deployable solar wing 2,900.000,3.0000,-15.1000,0.0000,Class IV,Wing mass allowance
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AST-MASS-223,Power,Deployable solar wing 3,900.000,3.0000,0.0000,15.1000,Class IV,Wing mass allowance
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AST-MASS-224,Power,Deployable solar wing 4,900.000,3.0000,0.0000,-15.1000,Class IV,Wing mass allowance
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AST-MASS-230,Thermal,Deployable radiator panel 1,300.000,-3.0000,6.9282,4.0000,Class IV,Panel and boom allowance
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AST-MASS-231,Thermal,Deployable radiator panel 2,300.000,-3.0000,0.0000,8.0000,Class IV,Panel and boom allowance
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AST-MASS-232,Thermal,Deployable radiator panel 3,300.000,-3.0000,-6.9282,4.0000,Class IV,Panel and boom allowance
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AST-MASS-233,Thermal,Deployable radiator panel 4,300.000,-3.0000,-6.9282,-4.0000,Class IV,Panel and boom allowance
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AST-MASS-234,Thermal,Deployable radiator panel 5,300.000,-3.0000,-0.0000,-8.0000,Class IV,Panel and boom allowance
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AST-MASS-235,Thermal,Deployable radiator panel 6,300.000,-3.0000,6.9282,-4.0000,Class IV,Panel and boom allowance
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AST-MASS-240,Propulsion,Electric propulsion pod 1,1000.000,-16.0000,4.8000,0.0000,Class IV,Pod dry-mass allowance
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AST-MASS-241,Propulsion,Electric propulsion pod 2,1000.000,-16.0000,2.4000,4.1569,Class IV,Pod dry-mass allowance
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AST-MASS-242,Propulsion,Electric propulsion pod 3,1000.000,-16.0000,-2.4000,4.1569,Class IV,Pod dry-mass allowance
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AST-MASS-243,Propulsion,Electric propulsion pod 4,1000.000,-16.0000,-4.8000,0.0000,Class IV,Pod dry-mass allowance
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AST-MASS-244,Propulsion,Electric propulsion pod 5,1000.000,-16.0000,-2.4000,-4.1569,Class IV,Pod dry-mass allowance
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AST-MASS-245,Propulsion,Electric propulsion pod 6,1000.000,-16.0000,2.4000,-4.1569,Class IV,Pod dry-mass allowance
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AST-MASS-250,Propellant storage,Propellant tank 1 dry hardware,650.000,-9.0000,1.2021,1.2021,Class IV,Tank dry-mass allowance
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AST-MASS-251,Propellant storage,Propellant tank 2 dry hardware,650.000,-9.0000,-1.2021,1.2021,Class IV,Tank dry-mass allowance
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AST-MASS-252,Propellant storage,Propellant tank 3 dry hardware,650.000,-9.0000,-1.2021,-1.2021,Class IV,Tank dry-mass allowance
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AST-MASS-253,Propellant storage,Propellant tank 4 dry hardware,650.000,-9.0000,1.2021,-1.2021,Class IV,Tank dry-mass allowance
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AST-MASS-260,RCS,Reaction-control pod 1,175.000,8.0000,2.2000,0.0000,Class IV,RCS allowance
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AST-MASS-261,RCS,Reaction-control pod 2,175.000,8.0000,0.0000,2.2000,Class IV,RCS allowance
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AST-MASS-262,RCS,Reaction-control pod 3,175.000,8.0000,-2.2000,0.0000,Class IV,RCS allowance
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AST-MASS-263,RCS,Reaction-control pod 4,175.000,8.0000,-0.0000,-2.2000,Class IV,RCS allowance
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AST-MASS-270,Robotics,Robotic servicing arm,450.000,18.0000,2.5000,1.5000,Class IV,Arm allowance
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AST-MASS-271,Aeroshuttle,Docked Skimmer aeroshuttle,5500.000,25.5000,0.0000,0.0000,Class IV,Concept dry-mass allowance
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AST-MASS-272,Avionics,"Distributed avionics, harness and data equipment",1200.000,5.0000,-0.9400,-0.5600,Class IV,Balance allowance

‎downloads/asterion-fcta-v1.0-public-release/asterion-fcta-v1.0/calculations/v0_4/mass_budget_by_subsystem.csv‎

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subsystem,dry_mass_kg,fraction_percent
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Structure,7742.000,15.318
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Habitation,7200.000,14.246
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Propulsion,6000.000,11.871
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Aeroshuttle,5500.000,10.882
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Power,3600.000,7.123
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Ring mechanism,3600.000,7.123
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Service,3000.000,5.936
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Propellant storage,2600.000,5.144
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Command,2400.000,4.749
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Radiation refuge,2200.000,4.353
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Logistics,1800.000,3.561
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Thermal,1800.000,3.561
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Avionics,1200.000,2.374
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Docking,750.000,1.484
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RCS,700.000,1.385
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Robotics,450.000,0.890
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TOTAL,50542.000,100.000

‎downloads/asterion-fcta-v1.0-public-release/asterion-fcta-v1.0/calculations/v0_4/mass_properties_report.md‎

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# Preliminary mass-properties report — Version 0.4
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## Results
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| Quantity | Result |
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|---|---:|
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| Dry docked mass | 50,542.0 kg |
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| Dry CG X | 2.0775 m |
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| Dry CG Y | -0.00006 m |
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| Dry CG Z | 0.00006 m |
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| Propellant capacity | 12,000.0 kg |
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| Full-propellant mass | 62,542.0 kg |
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| Full-propellant CG X | -0.0480 m |
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| Components represented | 59 |
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The dry configuration is slightly forward-biased because the docked Skimmer and forward modules remain installed. The aft propellant load moves the full-tank CG close to X = 0. Propellant management and transfer must keep the operational CG inside the control allocation established during Version 0.5.
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Mass values are conceptual Class-IV allowances. They are not vendor quotations, certified weights or final design values. NX-calculated solid masses should replace these allowances progressively while preserving a reconciliation record.

‎downloads/asterion-fcta-v1.0-public-release/asterion-fcta-v1.0/calculations/v0_4/v0_4_configuration_report.json‎

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{
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"project": "ASTERION FCTA-1",
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"version": "0.4.0",
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"generated_date": "2026-07-27",
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"dry_mass_kg": 50542.0,
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"dry_cg_m": [
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2.0774801155474654,
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-5.935657473000352e-05,
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5.935657473003407e-05
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],
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"propellant_capacity_kg": 12000.0,
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"full_propellant_mass_kg": 62542.0,
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"full_propellant_cg_m": [
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-0.04796776566147549,
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-4.7967765661536854e-05,
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4.796776566156154e-05
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],
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"mass_items": 59,
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"mesh_vertices": 63983,
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"mesh_faces": 34590,
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"subsystem_mesh_files": 11,
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"limitations": [
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"Conceptual geometry",
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"No solved ANSYS database",
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"No native NX assembly",
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"No certification claim"
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]
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}

‎downloads/asterion-fcta-v1.0-public-release/asterion-fcta-v1.0/calculations/v0_4/v0_4_validation_output.txt‎

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{
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"status": "PASS",
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"errors": []
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}

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