Principles
42 of 42 shown
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 |
|---|---|---|---|---|---|---|---|---|
| Black-Oil Reservoir Simulation | L1-458 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Compositional Reservoir Simulation | L1-459 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Reservoir History Matching | L1-460 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 10 | 5 | 0 | 0 |
| Hydraulic Fracture Propagation Modeling | L1-461 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Enhanced Oil Recovery (EOR) Modeling | L1-462 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Seismic Rock Physics (Gassmann) | L1-463 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Well Productivity Index Inversion | L1-465 | unregistered | Petroleum Engineering | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Clinical B-mode Ultrasound | L1-032 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Doppler Ultrasound (color / spectral) | L1-046 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Elastography (Shear-Wave / Strain) | L1-047 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Intravascular Ultrasound (IVUS) | L1-061 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Contrast-Enhanced Ultrasound (CEUS) | L1-062 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Active Sonar — underwater acoustic imaging | L1-101 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Phased-Array Ultrasonic Testing (PAUT) | L1-113 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Scanning Acoustic Microscopy (SAM) | L1-120 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Guided-Wave Ultrasonic Testing (long-range pipe/rail inspection) | L1-122 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Vibration-Based Damage Detection (modal analysis NDT) | L1-124 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| US-MRI Fusion (biopsy guidance / cardiac) | L1-159 | unregistered | Multimodal Fusion | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Acoustic Wave Equation — time-domain pressure field reconstruction | L1-257 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Helmholtz Equation — frequency-domain acoustic scattering / interior field | L1-258 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Room Acoustics — ray-tracing impulse response | L1-259 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Room Acoustics — image-source method (shoebox rooms) | L1-260 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Acoustic Scattering — boundary element method (BEM) | L1-261 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Underwater Acoustic Ray Tracing (Bellhop) | L1-262 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Underwater Normal Modes — modal propagation (KRAKEN) | L1-263 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Underwater Acoustics — Parabolic Equation (RAM) | L1-264 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Acoustic Beamforming — DOA & imaging from array | L1-265 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Structural Vibration Analysis — modal response | L1-266 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Acoustic Emission — source localization | L1-267 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Vibroacoustics — structure-acoustic coupling | L1-268 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Duct Acoustics — wave propagation in ducts / silencers | L1-269 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Aeroacoustics — Lighthill analogy (jet/airframe noise) | L1-270 | unregistered | Acoustics | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| Outdoor Noise Propagation — atmospheric refraction + ground effect | L1-271 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.7 | 0 | 0 |
| Seismic Travel-Time Tomography — ray-based velocity imaging | L1-272 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Full Waveform Inversion (FWI) — subsurface velocity imaging | L1-273 | unregistered | Geophysics | 📋 Stub — not mineable | 50 | 4.5 | 0 | 0 |
| Surface Wave Dispersion — shallow Vs profile inversion | L1-274 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Receiver Function — teleseismic crust imaging | L1-275 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Seismic Reflection — post-stack migration and imaging | L1-276 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Ambient-Noise Tomography — Green-function retrieval | L1-277 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Earthquake Source Inversion — finite-fault slip | L1-278 | unregistered | Geophysics | 📋 Stub — not mineable | 10 | 3.7 | 0 | 0 |
| Tsunami Propagation — shallow-water wave simulation | L1-289 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Blind Source Separation (ICA / cocktail-party problem) | L1-388 | unregistered | Signal Processing | 📋 Stub — not mineable | 5 | 2.2 | 0 | 0 |