{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000231","500:5000000147","500:5000000425","500:5000000087","500:5000000116","500:5000000113","500:5000000148","500:5000000537","500:5000000486","500:5000000189","500:5000000372","500:5000000188","500:5000000118","500:5000000538","500:5000000114","500:5000000527","500:5000000146","500:5000000094","500:5000000142","500:5000000145","500:5000000373","500:5000000090","500:5000000054","500:5000000638","500:5000000528"],"twin_admin_codes":[500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500],"twin_sims":[0.9538235628599776,0.9449129256654857,0.9028139918268157,0.8821351456022016,0.86953046649177,0.8690937276511335,0.866063636253505,0.8594141891195778,0.8411415170804761,0.8400813781229326,0.8250527286938563,0.8249253103700322,0.8242385766686812,0.8162830726178308,0.810595365209974,0.8009457237145358,0.788628125301831,0.7852709358657124,0.7811150900393139,0.7705540933898448,0.7700370177335641,0.7649641381105782,0.7624624196152748,0.7511639487262017,0.7483995911743562],"twin_dists":[0.03993574775075884,0.04372065924786481,0.05872818505363721,0.06504365572590363,0.06867448183933669,0.06879776641806212,0.06964879240179862,0.07149099139564764,0.0763934409827432,0.07667139299006803,0.08054479829421715,0.08057713581655662,0.08075128497125131,0.08275238736622209,0.0841655385192403,0.08653230083525974,0.08950234936981812,0.0903027461239533,0.09128851338271578,0.09376999522600714,0.09389066573992953,0.09507066619064942,0.09565007919507904,0.09824751200571227,0.09887846015441039],"n_dims_used":44,"mean_confidence":0.9164499803022905},"coverage":{"mean_confidence":0.9164499803022905,"n_dims_used":44,"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}}