{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002757},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002756","480:4800002650","480:4800002703","665:6650003162","475:4750000086","495:4950000288","480:4800006291","487:4870000888","475:4750000153","475:4750000130","487:4870001322","475:4750000024","487:4870000441","487:4870000887","496:4960010981","487:4870001142","480:4800002755","496:4960010903","475:4750000658","475:4750000009","665:6650003237","475:4750000023","480:4800002705","475:4750000622","495:4950000286"],"twin_admin_codes":[480,480,480,665,475,495,480,487,475,475,487,475,487,487,496,487,480,496,475,475,665,475,480,475,495],"twin_sims":[0.07131147120782869,0.030575191866054736,0.02128909801604155,0.013142970834793185,0.0042090648277565215,0.002466681345845447,0.0022409700024560246,0.00079702391509645,0.00024404783292252043,0.0001707928173218991,0.00016515003486835173,0.00015474289006687703,0.0001475057454973968,0.00007008702342277188,0.00003880254568545003,0.00003116468396939043,0.00003015751906662352,0.000020735301531894736,0.00001509076066693855,0.000014459837755329272,0.000014218725300914179,0.000010958724898575652,0.0000106685855883374,0.000009573309902067808,0.000008223183268610261],"twin_dists":[0.2984683045871316,0.3430047083710851,0.3603664901660161,0.38227549665105826,0.42958879204040534,0.450081403310153,0.45366355527064983,0.49059650071097854,0.5297270149638034,0.5409723533099169,0.5420188828501029,0.5440406647254911,0.5455236632724288,0.5680661051137702,0.5853587280282896,0.5916413710340257,0.5925772026321384,0.603145646448495,0.6119673680459983,0.6131433708557361,0.6136057778644707,0.6207232779897687,0.6214519883114423,0.6243851975685999,0.6284785504546488],"n_dims_used":42,"mean_confidence":0.8878958565848214},"coverage":{"mean_confidence":0.8878958565848214,"n_dims_used":42,"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}}