{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000213},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000214","480:4800000181","480:4800000242","480:4800000180","480:4800000212","480:4800000182","495:4950000272","480:4800000211","480:4800000179","495:4950000226","480:4800000054","480:4800000216","480:4800000240","480:4800000241","480:4800000157","480:4800000055","495:4950000575","480:4800000243","495:4950000223","480:4800000021","480:4800000215","480:4800000161","480:4800000149","480:4800000195","491:4910003271"],"twin_admin_codes":[480,480,480,480,480,480,495,480,480,495,480,480,480,480,480,480,495,480,495,480,480,480,480,480,491],"twin_sims":[0.8473777999824794,0.8157900929650076,0.5851749467788044,0.5143712256527992,0.4284826972656111,0.41316366485332123,0.19539889450589054,0.19460000058470767,0.1908283898314443,0.16082220332570107,0.15260363988047085,0.15079748178922994,0.1390813209482309,0.1255748489075973,0.12052536538011926,0.11221716588811745,0.10617365619425367,0.10090663866500206,0.09856152836899693,0.09687950837814648,0.09228399552537685,0.08174958587055367,0.06662336582119581,0.06661163957258265,0.06396293701949192],"twin_dists":[0.0747446887779117,0.08287543231288931,0.1344491933993676,0.1497571720629195,0.16908689861379606,0.17268047378596432,0.23468950151384935,0.2349837662284185,0.2363844638853394,0.24829175080647212,0.2518300339811704,0.252626244409319,0.2579698660333662,0.26456509224396485,0.26716890158812157,0.2716407599900014,0.27505682607379495,0.27815947319008716,0.27958175162471044,0.2806183025775827,0.2835243376599093,0.29064590214863,0.30228687559721973,0.30229669742004256,0.30455229277936885],"n_dims_used":42,"mean_confidence":0.8929666791643415},"coverage":{"mean_confidence":0.8929666791643415,"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}}