{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001844},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001667","489:4890003597","489:4890003329","489:4890002272","489:4890002580","489:4890002022","489:4890003598","489:4890003084","489:4890002751","489:4890001809","489:4890001893","489:4890003006","489:4890001681","489:4890001840","489:4890001670","489:4890003516","489:4890003462","489:4890001835","489:4890002839","489:4890002581","489:4890002926","489:4890002918","489:4890002754","489:4890002263","470:4700007837"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,470],"twin_sims":[0.9338277620149518,0.8957887128867458,0.85896661936056,0.8416667205955259,0.8371460131968733,0.8252495602930574,0.8184498047001364,0.8105771495008156,0.8094737708140771,0.79466559415492,0.7802197319653724,0.7709391855319503,0.7621365174038182,0.7558806626129845,0.7540524621494772,0.7532345579185654,0.7446043590705889,0.7394195555474299,0.7310640263324031,0.7307030078048347,0.7202340902137929,0.7174274284093017,0.7170382636076046,0.7068020991891248,0.7055518679249553],"twin_dists":[0.048058216861362316,0.06093057255310619,0.07161379040654799,0.07625549568242156,0.07743760733408413,0.08049482865097708,0.08221028579120816,0.0841700420031347,0.08444257156376915,0.08805334869167764,0.09150018328214488,0.09368007754442782,0.09572544129652986,0.09716690963858009,0.09758636835308701,0.09777377209699487,0.09974195968877998,0.10091670289306058,0.10279862838579888,0.10287964434963116,0.10521901551709664,0.10584308280712014,0.10592951615105388,0.10819481290985218,0.10847046752911794],"n_dims_used":45,"mean_confidence":0.9147377014160156},"coverage":{"mean_confidence":0.9147377014160156,"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}}