{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009956},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009661","490:4900010155","490:4900009336","490:4900009955","490:4900010057","490:4900009337","490:4900010061","490:4900009959","490:4900010511","490:4900007789","490:4900009965","490:4900010251","490:4900010159","490:4900010334","490:4900009545","490:4900009857","490:4900009754","490:4900010332","490:4900010249","490:4900010333","490:4900010058","490:4900010244","490:4900010056","490:4900011389","490:4900009551"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5475871060732675,0.4613209475214665,0.38703251058243626,0.3657798070807666,0.30799776722557864,0.26856859463993893,0.23512842028748487,0.2295462699121996,0.18719330818251578,0.1836037070420836,0.1728364427984783,0.1721754405766734,0.16545387320380103,0.1504333680113185,0.12926714561136413,0.10167994701360727,0.09945157040503227,0.09850777590718056,0.07999272078823429,0.07718085252335666,0.06694387559875148,0.0613917538664411,0.056516469571023666,0.05634915808369634,0.05408158509326993],"twin_dists":[0.14253495490359375,0.1615527201428096,0.1789486247690655,0.1841951523535125,0.1993192811765145,0.21059290678209552,0.22098696020168196,0.22281335006594513,0.2377528679656686,0.23912257050657465,0.24334816302193413,0.2436136127030182,0.24635535670685935,0.25278760535194544,0.26271102461216594,0.2776961438441178,0.27903886361746116,0.2796146612315164,0.2919039768440448,0.2939644614030829,0.3020189630502659,0.3068161965957791,0.3113318305471107,0.3114924161287847,0.31370867398129065],"n_dims_used":45,"mean_confidence":0.8920561896430121},"coverage":{"mean_confidence":0.8920561896430121,"n_dims_used":45,"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}}