{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000225},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000130","480:4800000199","480:4800000205","480:4800000142","480:4800000129","480:4800000160","480:4800000265","480:4800000236","480:4800000264","480:4800000235","480:4800000127","480:4800000234","480:4800000158","480:4800000115","480:4800000224","480:4800000102","480:4800000172","480:4800000233","480:4800000143","480:4800000005","480:4800000141","480:4800000020","480:4800000194","480:4800000208","480:4800000018"],"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":[0.3080156239540275,0.19193793310496624,0.12114764028888744,0.1143131527983991,0.10355116925527079,0.07162784182471495,0.06683865912724717,0.066301110423605,0.057263979555538164,0.04940491371555596,0.04578001289286372,0.04523702926386314,0.03739173454349108,0.03242922058196905,0.03230660620909241,0.03211612603154088,0.03137670511665146,0.02994841089827139,0.02608602163248977,0.025640013361774867,0.02526939837390306,0.025182847040168092,0.024901632464127,0.0230769789133813,0.021388652155196503],"twin_dists":[0.19931437497409907,0.235970415572991,0.26684358112576906,0.2704892203762089,0.2765862772575063,0.2982180357661364,0.30210679746898966,0.3025573089594001,0.31061912991601387,0.3185345103634882,0.3225444165774432,0.3231677750510583,0.3329605784995499,0.3400973875276602,0.3402852117879029,0.3405782063741316,0.34172983874560114,0.34402175478427877,0.3507263200057299,0.3515547221700938,0.35225261135432917,0.3524168653392134,0.3529539335331857,0.3565720424328051,0.3601480545137568],"n_dims_used":43,"mean_confidence":0.9045335636582486},"coverage":{"mean_confidence":0.9045335636582486,"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}}