{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000248},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000359","490:4900000218","490:4900000140","490:4900000295","490:4900000152","490:4900000250","490:4900000089","490:4900000131","490:4900000093","490:4900000497","490:4900000139","490:4900000065","490:4900000110","490:4900000296","490:4900004048","490:4900000465","490:4900000217","490:4900000502","490:4900000506","490:4900000337","490:4900000340","490:4900000939","490:4900000436","490:4900000081","490:4900000094"],"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":[0.6195763647091653,0.5911925753791577,0.5293346484617785,0.529015557697039,0.48775502902569956,0.4526756846321921,0.43859312076715123,0.404543374282989,0.39833624919344013,0.38694857922066145,0.3758601038090586,0.36531046331363404,0.3471764506610926,0.31509650867489386,0.297608371956924,0.2874661804422955,0.28555667177061067,0.2764872187253211,0.2702949489539096,0.26850904855412083,0.2582179704767358,0.2484907583613549,0.24585400884971614,0.2429646190193751,0.23451553875062425],"twin_dists":[0.12708061858961991,0.13315947871936792,0.14649179439828627,0.14656120828413133,0.15562648941958898,0.1635159858557469,0.16674418745140437,0.17472789718694676,0.17621424645454598,0.17896906653633188,0.1816886305181698,0.18431269110084061,0.18891467431391623,0.1973815615048334,0.2022022599517993,0.2050742466877745,0.20562168927411634,0.20825248977574098,0.2100790800340308,0.2106106663249791,0.21371763042832184,0.21672698776056534,0.21755565136872576,0.21847030947170532,0.2211860841359237],"n_dims_used":45,"mean_confidence":0.9158788045247396},"coverage":{"mean_confidence":0.9158788045247396,"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}}