{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":665,"cluster_id":6650000274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001891","487:4870002051","491:4910000171","492:4920004120","665:6650000739","491:4910000574","491:4910000336","487:4870001966","491:4910000170","491:4910000016","665:6650000654","492:4920005771","491:4910005144","665:6650000748","487:4870001964","665:6650000563","487:4870002136","491:4910005293","487:4870001969","487:4870002152","665:6650000745","492:4920003654","487:4870002061","492:4920003655","487:4870000550"],"twin_admin_codes":[487,487,491,492,665,491,491,487,491,491,665,492,491,665,487,665,487,491,487,487,665,492,487,492,487],"twin_sims":[0.002037034789758017,0.0017428135914782645,0.0009308212064348458,0.0007714187286246953,0.0006128635243647265,0.0003662138836832308,0.000352044416670211,0.00032584961611366916,0.000265478061453977,0.0002622530675769311,0.000246391802332507,0.0002348380534123639,0.0002314663215859022,0.00022488209463842208,0.00020721179150733779,0.00019534204688313164,0.0001918602474453702,0.00017236573512198253,0.00017147299341850925,0.0001565114885646834,0.0001509493123620865,0.000143734971398843,0.00013998031153974674,0.00013609281702076865,0.0001309605872063706],"twin_dists":[0.45719730588314433,0.4629166350320324,0.4852317800407935,0.4917178865466978,0.49954827585996653,0.5166423759851877,0.5179290733273343,0.5204411047009756,0.5270401539914167,0.5274311699639395,0.5294225620940486,0.5309504898844254,0.5314097164392065,0.5323249096079521,0.5349116636593876,0.5367685519771509,0.537333410529083,0.5406864417999147,0.5408484135108906,0.543688208258887,0.5448096648599021,0.5463237709145748,0.5471403840420673,0.5480079631627108,0.5491898725794193],"n_dims_used":45,"mean_confidence":0.9087699042426215},"coverage":{"mean_confidence":0.9087699042426215,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}