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Research-Stack/6-Documentation/docs/stellar_gas_abelian_sandpile_probe_2026-05-09.md
Brandon Schneider 29f9b78b6d Stage stack solidification source slice
2026-05-11 22:08:10 -05:00

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Stellar Gas Abelian Sandpile Probe

Status: SANDPILE_DIAGNOSTIC

Decision: ADMIT_SANDPILE_DIAGNOSTIC_HOLD_PHYSICAL_SANDPILE

This probe treats the stellar-gas eigenmass surface as an Abelian-sandpile-style diagnostic. Cells carry normalized eigenmass as "grains"; gas/shock observables act as toppling pressure; high grain/high-pressure cells become avalanche candidates for fine-grained follow-up.

Claim boundary: this is a metaphor-backed diagnostic over observational proxies. It is not a physical sandpile simulation, not stellar mass, not direct gas density inference, and not a cosmology fit.

Channel Correlations With Eigenmass

  • log_desi_count: 0.881673842
  • stellar_sigma_mean: 0.878922036
  • partial_full_shock_fraction: 0.847109384
  • shock_score_mean: 0.839508306
  • shock_lier_fraction: 0.811272006
  • star_forming_fraction: -0.718656679
  • agn_liner_or_shock_fraction: 0.708425115
  • gas_sigma_mean: 0.654818267
  • gas_sigma_p90: 0.605869064
  • snr_mean: -0.435451409
  • log_manga_count: 0.097331989

Toppling Candidates

  • ra03_north__z_008_plus: state AVALANCHE_CANDIDATE, grains 0.11642, pressure 1.157125106, index 1.596155368
  • ra03_south__z_008_plus: state AVALANCHE_CANDIDATE, grains 0.112959, pressure 1.198262192, index 1.570637955
  • ra04_north__z_008_plus: state AVALANCHE_CANDIDATE, grains 0.11274, pressure 1.17842835, index 1.557804876
  • ra02_south__z_008_plus: state AVALANCHE_CANDIDATE, grains 0.107057, pressure 1.208401092, index 1.497117602
  • ra02_north__z_008_plus: state AVALANCHE_CANDIDATE, grains 0.110828, pressure 1.09454727, index 1.490404542
  • ra02_south__z_006_008: state LOADED, grains 0.047288, pressure 1.540624514, index 0.867357748
  • ra03_north__z_006_008: state LOADED, grains 0.039897, pressure 0.645551377, index 0.321404162
  • ra02_north__z_006_008: state LOADED, grains 0.03392, pressure 0.577987139, index 0.208033555
  • ra04_north__z_006_008: state LOADED, grains 0.034318, pressure 0.362305657, index 0.105492499
  • ra03_south__z_006_008: state STABLE, grains 0.024638, pressure 0.337625686, index -0.035744352

Pressure Components

[
  "partial_full_shock_fraction",
  "shock_lier_fraction",
  "shock_score_mean",
  "gas_sigma_mean",
  "gas_sigma_p90",
  "agn_liner_or_shock_fraction"
]

Holds

  • HOLD_PHYSICAL_SANDPILE_SIMULATION
  • HOLD_DIRECT_STELLAR_MASS
  • HOLD_DIRECT_GAS_DENSITY_INFERENCE
  • HOLD_OBJECT_LEVEL_CROSSMATCH
  • HOLD_COSMOLOGY_FIT

Receipt Backlinks

  • Receipt: shared-data/data/stellar_gas_observation/stellar_gas_abelian_sandpile_probe_receipt.json
  • Source cell eigenmass receipt: shared-data/data/stellar_gas_observation/stellar_gas_eigenvector_mass_probe_receipt.json
  • Data: shared-data/data/stellar_gas_observation/stellar_gas_abelian_sandpile_probe.json
  • Tiddler: 6-Documentation/tiddlywiki-local/wiki/tiddlers/Stellar Gas Abelian Sandpile Probe.tid