{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000131},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000002","480:4800000132","480:4800000010","480:4800000006","480:4800000000","480:4800000106","480:4800000135","480:4800000133","480:4800000227","480:4800000023","480:4800000136","480:4800000001","480:4800000166","480:4800000196","480:4800000137","480:4800000165","480:4800000024","480:4800000041","480:4800000202","480:4800000226","480:4800000164","480:4800000171","480:4800000108","480:4800000162","480:4800000042"],"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":[0.7829554043801905,0.6977879341546146,0.6767379564722729,0.609570097170495,0.5881639032761518,0.5145012036932454,0.4492843143169047,0.4326237821185725,0.4119867092302504,0.3707794980819797,0.3384168362410209,0.3250232661418285,0.31811914483315357,0.3019386827281928,0.24426592659114565,0.2370519660179918,0.22697186880747794,0.2166637936700436,0.20414649054870815,0.2031838761943499,0.2025583899570893,0.19531872833557726,0.18529581408618942,0.1425099916873694,0.13724778075815922],"twin_dists":[0.09085266500970708,0.11017767109473244,0.11477130450613461,0.12922365673993955,0.13380849655341606,0.14972871174253785,0.16428987890849098,0.16812469761583723,0.17295890104653555,0.18294772665034967,0.19118273588444462,0.19471287234439036,0.19656402156707903,0.20099362559494846,0.21805750704423246,0.22036420066714318,0.22366552655014255,0.2271436439854625,0.23152053190145508,0.23186462179900827,0.2320888040107282,0.23471899220039305,0.23847457984893702,0.25637257772740024,0.2588361301445006],"n_dims_used":42,"mean_confidence":0.9024705432710194},"coverage":{"mean_confidence":0.9024705432710194,"n_dims_used":42,"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}}