{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000754},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001202","480:4800000893","480:4800000998","480:4800001037","480:4800001001","480:4800000961","480:4800000969","480:4800000928","480:4800000425","480:4800000829","480:4800001143","480:4800000926","480:4800001131","480:4800000966","480:4800000493","480:4800000830","480:4800000880","480:4800000458","480:4800000364","480:4800000492","480:4800000828","480:4800001147","480:4800001203","475:4750009973","487:4870003062"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,475,487],"twin_sims":[0.5478271012224056,0.44616211801780986,0.430188686258921,0.38001631056484503,0.36055480934663026,0.35541331823105443,0.25604798894485603,0.22753633940957466,0.1493375197415016,0.1364930281284492,0.13486608087613725,0.13415858466526237,0.13085070816174982,0.1287042055700205,0.12472890701949128,0.11779341120075618,0.11455848766806433,0.11384625796306551,0.10020416670332585,0.09889896551355526,0.09889221638285838,0.09732452778996585,0.09690197739200132,0.09646905249698315,0.092887975480716],"twin_dists":[0.14248309168973422,0.1650042864033215,0.16869004760809866,0.18066480481794286,0.18550799112959981,0.18680935062179901,0.21438264783112884,0.22347813050110565,0.25327498384098557,0.25919523214080314,0.25997440294662516,0.26031543512509964,0.2619281045334113,0.262991089917415,0.2649956849709566,0.2686125259538576,0.27035549847168816,0.270744316743253,0.2785827737679559,0.2793754787142277,0.2793795989978659,0.2803426916178786,0.28060436317330667,0.2808733908773115,0.28313597836799004],"n_dims_used":43,"mean_confidence":0.9135061751964481},"coverage":{"mean_confidence":0.9135061751964481,"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}}