{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009614},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010101","490:4900009611","490:4900009901","490:4900009900","490:4900010102","490:4900010098","490:4900008520","490:4900010001","490:4900009400","490:4900007976","466:4660004225","490:4900008745","490:4900009609","490:4900010100","490:4900008976","490:4900009910","490:4900009807","490:4900010460","490:4900009508","490:4900010199","490:4900009895","490:4900010288","490:4900008305","490:4900008083","490:4900009192"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4805058837238496,0.4415987799517042,0.4014617500536885,0.399351283135835,0.39364712340586183,0.362800688371917,0.3338026594670246,0.31574970922215573,0.3110522126327387,0.29991286956253144,0.2998413410007976,0.2804131766732536,0.27215538264336503,0.27130519909954587,0.27065202165452273,0.2561702795737996,0.251515348590296,0.24270844434527286,0.2380855487629131,0.23275862621758517,0.20130482949266765,0.20019434364703764,0.19721495114020374,0.19268263595265056,0.18654392459384958],"twin_dists":[0.15724103280526358,0.16605188871262622,0.1754645196178828,0.17597047369750732,0.17734411382427792,0.18494251606614573,0.19239013193216484,0.1972045142817965,0.19848242423897638,0.20155777999615188,0.20157774010049284,0.20710735002043623,0.20952761091504254,0.209779332599262,0.20997305546766376,0.21434507583762047,0.21578334474479105,0.21855174174296552,0.2200309340717576,0.22175879894344278,0.23253953183609133,0.2329404319423088,0.23402366531200525,0.23569344978338688,0.23799928022223713],"n_dims_used":45,"mean_confidence":0.9185256958007812},"coverage":{"mean_confidence":0.9185256958007812,"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}}