{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000624},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000479","480:4800000690","480:4800000725","480:4800000730","480:4800000804","480:4800000511","480:4800000656","480:4800000658","480:4800000661","480:4800000541","480:4800000612","480:4800001194","480:4800000723","480:4800000542","480:4800000546","480:4800000964","480:4800000622","480:4800000803","480:4800000644","494:4940001155","480:4800000448","480:4800000574","480:4800000694","480:4800000799","480:4800000399"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,494,480,480,480,480,480],"twin_sims":[0.398676926362999,0.36831222451559786,0.2656926840716343,0.26055519910833996,0.24616645209955826,0.22213578070279458,0.20480374705658203,0.20354782154524417,0.1898175727466803,0.18970127300399128,0.18889701060322467,0.18821309482910462,0.1816341351209457,0.1793467249622683,0.1785662673187107,0.17597069374357693,0.17150630319384313,0.1638249473601545,0.15957388086216934,0.15728033706864292,0.14851349519634752,0.1462113275160377,0.1461866585942462,0.13894049262498442,0.13314211800233225],"twin_dists":[0.1761323971298237,0.1835622557553052,0.2114534514118895,0.2130052887686434,0.21745716101970047,0.22528387050504178,0.2312862316306897,0.23173439707436674,0.23676313607329974,0.23680679459090762,0.23710922542862675,0.23736711159827223,0.23988214117197562,0.24077163105242472,0.24107696117506144,0.2420992690540941,0.24388307337886433,0.2470318458979427,0.24882055507625211,0.24980002839588022,0.253643207745341,0.25468001208385166,0.2546911871239499,0.2580360974640389,0.2608077720425632],"n_dims_used":43,"mean_confidence":0.9149323396904524},"coverage":{"mean_confidence":0.9149323396904524,"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}}