{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004209},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003504","490:4900003368","490:4900002519","490:4900003498","490:4900004471","490:4900003242","490:4900003772","490:4900002822","490:4900004194","490:4900004472","490:4900003107","490:4900002964","490:4900006929","490:4900002966","490:4900007425","490:4900005430","490:4900003375","490:4900006447","490:4900004195","490:4900003778","490:4900005555","490:4900004890","490:4900003373","490:4900004608","490:4900006666"],"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":[0.513577669537619,0.48781530456558886,0.4191967103788633,0.3995830511926207,0.37474322703678503,0.3739954483038558,0.3231592362436705,0.32065766704384535,0.32022482618264153,0.30881039364649554,0.30312413731090854,0.29916812094695433,0.29442484383171763,0.28218263506254926,0.2602548404322234,0.2553665631350124,0.2480424281173479,0.2214446161751436,0.22015010990737674,0.21035879361027982,0.2095926836511979,0.20234050592908287,0.19811605176207941,0.197854698014315,0.19394293355196054],"twin_dists":[0.14993096988478005,0.15561309587956104,0.17125860680754026,0.1759148513858253,0.18196469797139575,0.18214975805292702,0.19521047788607032,0.19588079743913467,0.19599707792801938,0.1990961744908999,0.20066451935718904,0.20176573938121167,0.20309741493131375,0.20659441115677887,0.2130966064971017,0.2145922142030514,0.21686748695002436,0.2255170725287889,0.22595515730888058,0.2293261800102483,0.22959438239981828,0.2321670080489022,0.23369486192889294,0.2337901208609811,0.23522641982173967],"n_dims_used":45,"mean_confidence":0.9025766160753038},"coverage":{"mean_confidence":0.9025766160753038,"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}}