{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003399},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003397","480:4800002999","480:4800003453","480:4800003454","480:4800003157","480:4800003401","480:4800003000","480:4800003700","480:4800003398","480:4800003343","480:4800002619","480:4800003508","480:4800003457","480:4800002808","480:4800003634","480:4800003767","480:4800003448","480:4800003455","480:4800003115","480:4800002605","480:4800003768","480:4800003028","480:4800002602","480:4800003024","480:4800003635"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6564374388259947,0.4984303468848193,0.491351867739668,0.3921101206196147,0.3902977032339705,0.35294737349435956,0.348019496361945,0.273807082198696,0.27314954036819983,0.2637724211663343,0.23919262087564538,0.2297244884859523,0.2209849698976241,0.1789907660695824,0.1720741304071633,0.16412480834357562,0.16188442290099142,0.15849253171393704,0.1465086502056331,0.14631027103491964,0.14105426344648694,0.13318682179576008,0.13116316501584785,0.12919422186628757,0.1291652635781652],"twin_dists":[0.11916334685984377,0.15326195717933166,0.154828122791025,0.17771581406144488,0.17815499262356843,0.18743694755241283,0.18869800110310633,0.2090399570171505,0.20923387482766873,0.21203127489251458,0.21967501565506206,0.22275459058657313,0.2256724286753056,0.24091077189989774,0.24365436193819096,0.2469069502472589,0.2478441250814722,0.24928106557316324,0.25454543428374493,0.2546352046097759,0.2570472109398627,0.2607860599711923,0.2617744699633627,0.26274725248078085,0.2627616429875279],"n_dims_used":43,"mean_confidence":0.9137035636014716},"coverage":{"mean_confidence":0.9137035636014716,"n_dims_used":43,"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}}