Principles
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Claim Board — scientifically-declared inventory awaiting external contributors. Each stub is an open invitation: author the reference solver + dataset, open a PR, and earn the registration bounty. Not mineable until promoted to Tier 1/2 by 3-of-5 multisig.
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Problem classnonlinear_inverse (203)linear_inverse (197)parameter_estimation (62)linear_inverse_with_categorical_readout (18)statistical_inverse (5)forward (3)parametric_spectral_estimation (3)linear_inverse_count (3)
Noise modelgaussian (316)shot_poisson (80)poisson (28)observation_gaussian (13)poisson_gaussian (13)measurement_gaussian (10)lognormal (9)deterministic (7)
Photon, electron, mechanical, etc. drawn from each manifest'sphysics_fingerprint block. Combine multiple facets to narrow further.
Domain:AllCompressive ImagingAstrophysicsComputational BiologyEnvironmental ScienceControl TheoryComputational FinanceRoboticsPetroleum EngineeringGeodesyParticle PhysicsOptimizationAstronomyPolymer PhysicsSemiconductor PhysicsComputational ChemistryQuantum MechanicsMaterials ScienceMicroscopyMedical ImagingCoherent ImagingComputational PhotographyComputational OpticsElectron MicroscopyDepth ImagingRemote SensingIndustrial InspectionUltrafast ImagingQuantum ImagingMultimodal FusionScanning ProbePlasma PhysicsNuclear EngineeringFluid DynamicsHeat TransferStructural MechanicsElectromagneticsAcousticsGeophysicsSignal ProcessingScientific InstrumentationSpectroscopy
| Title | ID | Chain | Domain | Tier | δ | L_DAG | Specs | Benchmarks |
|---|---|---|---|---|---|---|---|---|
| N-body Gravitational Simulation | L1-364 | unregistered | Astrophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Cosmological N-body (Large-Scale Structure) | L1-365 | unregistered | Astrophysics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Stellar Structure Inverse Problem | L1-370 | unregistered | Astrophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Gravitational Wave Parameter Estimation | L1-374 | unregistered | Astrophysics | 📋 Stub — not mineable | 10 | 5 | 0 | 0 |
| Baryon Acoustic Oscillation (BAO) Fitting | L1-379 | unregistered | Astrophysics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Hodgkin-Huxley Neuron Model Parameter Estimation | L1-396 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| FitzHugh-Nagumo Excitability Model | L1-397 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Cable Equation (Dendrite Propagation) | L1-398 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Cardiac Electrophysiology (Monodomain) | L1-399 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Hemodynamics (Navier-Stokes Cardiovascular) | L1-400 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Windkessel Cardiac Afterload Model | L1-401 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.2 | 0 | 0 |
| Pharmacokinetics Compartment Model | L1-402 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Physiologically Based PK (PBPK) | L1-403 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Pharmacodynamics Dose-Response Inversion | L1-404 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| SIR Epidemic Parameter Estimation | L1-405 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| SEIR Epidemic with Exposed Compartment | L1-406 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Lotka-Volterra Predator-Prey Dynamics | L1-407 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Wright-Fisher Population Genetics | L1-408 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Phylogenetic Likelihood Inference | L1-409 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Tumor Growth Model Inversion | L1-410 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Oxygen Transport (Krogh Cylinder) | L1-411 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Protein Folding Energy Landscape Inversion | L1-412 | unregistered | Computational Biology | 📋 Stub — not mineable | 50 | 6.5 | 0 | 0 |
| HMM Sequence Alignment and Profile Inference | L1-413 | unregistered | Computational Biology | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Gaussian Plume Atmospheric Dispersion | L1-414 | unregistered | Environmental Science | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Advection-Dispersion Transport Inversion | L1-415 | unregistered | Environmental Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| General Circulation Model (GCM) Inversion | L1-417 | unregistered | Environmental Science | 📋 Stub — not mineable | 10 | 6 | 0 | 0 |
| Numerical Weather Prediction Data Assimilation | L1-418 | unregistered | Environmental Science | 📋 Stub — not mineable | 10 | 5.5 | 0 | 0 |
| Ocean Circulation Inverse Modeling | L1-419 | unregistered | Environmental Science | 📋 Stub — not mineable | 5 | 5.5 | 0 | 0 |
| River Hydraulics Shallow Water Inversion | L1-421 | unregistered | Environmental Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Sediment Transport Inversion | L1-422 | unregistered | Environmental Science | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Contaminant Source Identification | L1-423 | unregistered | Environmental Science | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Carbon Cycle Biogeochemical Inversion | L1-424 | unregistered | Environmental Science | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Groundwater Contaminant Transport Inversion | L1-425 | unregistered | Environmental Science | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Linear State-Space System Analysis | L1-426 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Kalman Filter State Estimation | L1-427 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Extended Kalman Filter (EKF) | L1-428 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Unscented Kalman Filter (UKF) | L1-429 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Particle Filter (Sequential Monte Carlo) | L1-430 | unregistered | Control Theory | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| System Identification (N4SID/ARX) | L1-431 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Optimal Control (LQR) | L1-432 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Model Predictive Control (MPC/NMPC) | L1-433 | unregistered | Control Theory | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| PID Controller Tuning | L1-434 | unregistered | Control Theory | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| 4D-Var Data Assimilation | L1-435 | unregistered | Control Theory | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Ensemble Kalman Filter (EnKF) | L1-436 | unregistered | Control Theory | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Nonlinear Observer Design | L1-437 | unregistered | Control Theory | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Black-Scholes Option Pricing Calibration | L1-438 | unregistered | Computational Finance | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| Heston Stochastic Volatility Calibration | L1-439 | unregistered | Computational Finance | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Hull-White Interest Rate Model Calibration | L1-440 | unregistered | Computational Finance | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Monte Carlo Option Pricing | L1-441 | unregistered | Computational Finance | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Implied Volatility Surface Construction | L1-442 | unregistered | Computational Finance | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Merton Credit Risk Structural Model | L1-443 | unregistered | Computational Finance | 📋 Stub — not mineable | 5 | 2.5 | 0 | 0 |
| Markowitz Mean-Variance Portfolio Optimization | L1-444 | unregistered | Computational Finance | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| GARCH Volatility Estimation | L1-445 | unregistered | Computational Finance | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Forward Kinematics | L1-446 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| Inverse Kinematics | L1-447 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Forward Dynamics | L1-448 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Inverse Dynamics | L1-449 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Trajectory Optimization | L1-450 | unregistered | Robotics | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Rigid Body Dynamics Simulation | L1-451 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Multibody Dynamics with Constraints | L1-452 | unregistered | Robotics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Vehicle Dynamics (Bicycle Model) | L1-453 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Spacecraft Attitude Determination | L1-454 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Orbital Mechanics Inversion (Lambert) | L1-455 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Rotor Dynamics Aeroelastic Inversion | L1-456 | unregistered | Robotics | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Hydrodynamic Lubrication (Reynolds Equation) | L1-457 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Arps Decline Curve Analysis | L1-464 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| Satellite Gravity Gradiometry (GOCE) | L1-471 | unregistered | Geodesy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Topology Optimization (SIMP) | L1-498 | unregistered | Optimization | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Shape Optimization | L1-499 | unregistered | Optimization | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Optimal Experimental Design | L1-500 | unregistered | Optimization | 📋 Stub — not mineable | 5 | 2.8 | 0 | 0 |