{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007897},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009523","490:4900010030","490:4900009100","491:4910004851","490:4900010215","490:4900010902","490:4900011627","490:4900008660","490:4900008658","490:4900010219","490:4900011217","491:4910005363","490:4900009425","490:4900007996","490:4900009005","490:4900008328","490:4900011759","490:4900010397","490:4900012039","490:4900008777","490:4900010316","490:4900010566","490:4900008890","490:4900007991","490:4900010663"],"twin_admin_codes":[490,490,490,491,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.17276364456895016,0.05972996026678366,0.0456985716207874,0.03986407032838501,0.03870790860760959,0.03165012616221152,0.02548274358732436,0.01949855952147976,0.019267420348486893,0.014155293033026551,0.014033277063280445,0.013903233086900725,0.01254324549451561,0.012163566283927393,0.011621851092235971,0.011376476694628787,0.011225808787392098,0.010803967932645831,0.010059062523715115,0.008189963140529881,0.00796024550039645,0.007926222194898896,0.007899958287691168,0.007625074349898155,0.007454193639869215],"twin_dists":[0.243377362194265,0.3083211322359337,0.3226375167987375,0.3297011575988612,0.33120343852740297,0.34130131354910487,0.351849798855081,0.36445542771244677,0.3650069114932111,0.37898731347719905,0.3793724181261771,0.3797861285110156,0.38433075549407275,0.38567738048980754,0.3876647168441462,0.38859208404588846,0.3891703605510583,0.39082691696054106,0.3938980497832974,0.40260445379696863,0.4037946078220555,0.40397349153906664,0.40411205029233527,0.4055875732718078,0.4065290739611286],"n_dims_used":45,"mean_confidence":0.8912285698784722},"coverage":{"mean_confidence":0.8912285698784722,"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}}