{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004103},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004376","490:4900001802","490:4900001798","490:4900002705","490:4900001804","490:4900003829","490:4900001953","490:4900002266","490:4900003823","490:4900004101","490:4900003963","490:4900001664","490:4900010284","490:4900009386","490:4900002113","490:4900002264","490:4900002565","490:4900001800","490:4900002417","490:4900003692","490:4900001948","490:4900003683","490:4900009893","490:4900009077","490:4900002415"],"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":[0.5404299069398545,0.41845439146720975,0.3602015788459352,0.33367307982261973,0.289898042230384,0.28833016613484924,0.28569734665141433,0.25163111174472724,0.24976321258869683,0.24259322307238163,0.23444966533808803,0.23394948704171478,0.22434848495023507,0.21087757011762523,0.2072995847005168,0.2054888052338778,0.20507593323859544,0.2036377291014452,0.1962439936779997,0.19082978065147715,0.19059533894609745,0.18706132563032082,0.186639738380529,0.18321613159738365,0.18236830053591507],"twin_dists":[0.14408347643230487,0.17143308115690503,0.1855970917057399,0.19242416944231613,0.2043801920053409,0.20482726421403763,0.20558128393706007,0.21574737213828504,0.21632910431006153,0.21858838616716872,0.22120750654962684,0.221370296264597,0.22454053404321767,0.22914494155007134,0.23040116660810783,0.23104256785990662,0.2311893528593076,0.23170225150290777,0.23437912460512542,0.23638394382275552,0.23647164487270372,0.23780290085496628,0.23796288531284684,0.23927158393930345,0.23959833163847183],"n_dims_used":45,"mean_confidence":0.9269660949707031},"coverage":{"mean_confidence":0.9269660949707031,"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}}