{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002959},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003779","480:4800003215","480:4800003579","480:4800003522","480:4800002914","480:4800003126","480:4800003010","480:4800002573","480:4800002924","480:4800003475","480:4800002972","480:4800003309","480:4800003263","480:4800003317","480:4800002830","480:4800002880","480:4800003357","480:4800002574","480:4800003369","480:4800003521","480:4800003314","480:4800003176","480:4800002973","480:4800003174","480:4800002928"],"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":[0.6432978763029428,0.5953052901830319,0.5820370337478659,0.5501235159025326,0.5444573597817945,0.5134131125275784,0.47489968640897895,0.4689405514231431,0.451179583905787,0.4427716512522304,0.43975604238446814,0.43873112900707306,0.4377600123116178,0.4284293745063725,0.42494028365553627,0.4246494441730603,0.4224607210994254,0.4119612327024296,0.40737824071248036,0.4065595266121767,0.40404996902454265,0.39659209158395825,0.3799908807754459,0.3791110358187628,0.37677384195321556],"twin_dists":[0.12199181894081183,0.1322784133402416,0.13512205589900064,0.14198702602109223,0.14321165555778437,0.14996701811744126,0.15849495098197977,0.1598331576834245,0.1638571214369069,0.16578223709042683,0.1664761103364752,0.16671235916022772,0.16693640775619573,0.1690993130825744,0.1699130231371322,0.16998097608688473,0.17049298282031025,0.17296493174569352,0.17405247408587318,0.17424732196342582,0.17484566938047305,0.17663379132947282,0.1806710525397643,0.18088734206619206,0.18146307276271237],"n_dims_used":43,"mean_confidence":0.9217195732648983},"coverage":{"mean_confidence":0.9217195732648983,"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}}