{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001239},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001762","480:4800001245","480:4800001422","480:4800002198","480:4800001428","480:4800001231","480:4800001425","495:4950002459","480:4800001471","480:4800001301","480:4800001474","480:4800002514","480:4800001988","480:4800001936","480:4800001645","480:4800001479","480:4800001300","480:4800002089","495:4950002507","495:4950002508","480:4800002039","480:4800001932","480:4800001935","480:4800001596","480:4800002429"],"twin_admin_codes":[480,480,480,480,480,480,480,495,480,480,480,480,480,480,480,480,480,480,495,495,480,480,480,480,480],"twin_sims":[0.5082169850130718,0.49669018577442775,0.4798282600066869,0.4269992385231071,0.41654966656485853,0.3168895350141425,0.3118971444839998,0.27190499948490343,0.2339325917149092,0.2330599862435196,0.23230130101375535,0.21592967681007413,0.1674158675269255,0.15781186896635738,0.15312545407665848,0.15304018649320952,0.1411768098987184,0.1345449812285432,0.13451021883411493,0.13103920995865023,0.1298204191480103,0.12488169538545417,0.12081241936265363,0.11047137169140986,0.1094114723729213],"twin_dists":[0.151106807347701,0.15364638358087665,0.15739234334946275,0.16943251090019779,0.17188137216026492,0.19689606523592634,0.19825176159519817,0.20960169376797302,0.2213757990570122,0.22166036109871154,0.22190834217995023,0.22739554041431367,0.24554689895867654,0.2495721120585871,0.2516012914141169,0.2516386301932134,0.25699021959805235,0.2601290147289164,0.26014576968141384,0.2618353854240005,0.26243666497879203,0.2649177504150632,0.26701867307773425,0.272612635449723,0.273208481384601],"n_dims_used":43,"mean_confidence":0.9128458777139353},"coverage":{"mean_confidence":0.9128458777139353,"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}}