{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011764},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011902","490:4900011501","490:4900011630","490:4900011771","490:4900010506","490:4900011837","490:4900011565","490:4900011636","490:4900011314","490:4900011704","490:4900011826","490:4900011376","490:4900011442","490:4900011705","490:4900011899","490:4900011698","490:4900012034","490:4900011833","490:4900011505","490:4900011773","490:4900010925","490:4900010320","490:4900011759","490:4900011690","490:4900011375"],"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":[0.1851710583757365,0.13497773597822466,0.09014690394191743,0.0876517896162408,0.06926650218346983,0.062395937451291815,0.058368954921789486,0.045538979741454585,0.04254494589996382,0.03300320230542205,0.02940787089019507,0.024983553193356028,0.024948710479561424,0.022454948867446027,0.020574333166299967,0.017497555023073923,0.015394823381462084,0.014590535448223214,0.014363863593894967,0.014295112112748995,0.012825745025602926,0.012227606518001621,0.012069872186997354,0.011984388028580747,0.011791342603263201],"twin_dists":[0.23852221234018722,0.2599207049504859,0.284914829009085,0.28657171288659766,0.30010809441092307,0.3059229379136003,0.30957954224506745,0.32282035939932735,0.3263544154336182,0.33922612860907464,0.34491362642856277,0.3527969410475261,0.35286365898358474,0.35786227417283534,0.3619614283471576,0.3694327273498589,0.3752327236605415,0.3776370549403929,0.3783357592468516,0.37854960459334686,0.38335203569164533,0.3854476576880541,0.3860154162068392,0.3863258678034769,0.3870342393435497],"n_dims_used":45,"mean_confidence":0.8906021118164062},"coverage":{"mean_confidence":0.8906021118164062,"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}}