{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002529},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002130","489:4890002779","489:4890001789","489:4890002201","489:4890001958","489:4890002445","489:4890001957","489:4890002446","489:4890001691","489:4890002121","489:4890002277","489:4890002778","477:4770000149","489:4890002525","489:4890001696","489:4890002777","489:4890002362","489:4890001946","489:4890001790","477:4770000104","489:4890002690","489:4890002040","489:4890003108","489:4890002691","477:4770000242"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,477,489,489,489,489,489,489,477,489,489,489,489,477],"twin_sims":[0.821489756513481,0.7346831439965062,0.7261792877425404,0.7130521935993593,0.6962696414923186,0.6833723905623714,0.6802366443455838,0.6560060861954423,0.6017628483703334,0.5910743892469458,0.5910535353234119,0.5755698296906924,0.5584407067264164,0.5569391104247237,0.552970928687377,0.5404132269063744,0.5395441313780981,0.5295228154566441,0.49622509292362393,0.49071779483855665,0.48184370354781564,0.4768613307704403,0.4753571012479261,0.47122183224205544,0.4672482379542011],"twin_dists":[0.08144607326326073,0.10198513000013608,0.10389282670472791,0.1068134809042174,0.11051063971545352,0.11332847170038442,0.11401094355780204,0.11925635423465299,0.13089542461719825,0.13318480172639505,0.1331892699925543,0.13650972873257763,0.140193097141435,0.140516676507844,0.14137240315640134,0.1440870896349044,0.1442753808019825,0.14645086540954333,0.1537491941043233,0.1549687364893248,0.15694250189536438,0.15805565471653973,0.15839246322334335,0.15932019591047797,0.1602142333693726],"n_dims_used":45,"mean_confidence":0.9196690877278646},"coverage":{"mean_confidence":0.9196690877278646,"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}}