{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001385},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001564","480:4800001446","480:4800001614","480:4800001442","480:4800002337","480:4800001451","480:4800001556","480:4800001388","480:4800001436","480:4800001999","480:4800002529","480:4800001334","480:4800001323","480:4800001387","480:4800001618","480:4800001841","480:4800002338","480:4800002112","480:4800002246","480:4800001713","480:4800001445","480:4800002482","480:4800001335","480:4800001714","480:4800002206"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5509794732039566,0.5393704800665291,0.49335580922588096,0.3986468361221461,0.3926151967432433,0.3872776567306198,0.33237010003337486,0.3306820881615376,0.32185263343359877,0.3058314196303561,0.297737820665862,0.289904028741684,0.28513710926500113,0.27317735260623577,0.27097171071714843,0.2527067173585471,0.24020022979535854,0.2378451029765117,0.2299030231430817,0.22483248139386267,0.21889096686559986,0.21248318662883367,0.21093542286388497,0.21067090652101536,0.20159596192252843],"twin_dists":[0.14180221153494849,0.14431300955484602,0.15438407534398477,0.17613962516883283,0.17759359464381838,0.1788889306026743,0.19276683258831118,0.19321184599090055,0.19556023145562576,0.19991571393792396,0.2021659806604951,0.20437848774969983,0.20574226921142208,0.20922566682351704,0.2098782043689531,0.21541363819755532,0.21935200449793069,0.22010837865633617,0.2226957570546465,0.22437859164420948,0.22638293253503824,0.22858591710331777,0.22912474902743316,0.22921710470762355,0.2324346811308772],"n_dims_used":43,"mean_confidence":0.9204466176587481},"coverage":{"mean_confidence":0.9204466176587481,"n_dims_used":43,"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}}