{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002041},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001348","487:4870004863","496:4960011901","496:4960011052","490:4900007396","487:4870005871","487:4870004992","487:4870004570","487:4870005706","487:4870005417","487:4870004714","487:4870005281","496:4960003784","470:4700001222","490:4900001483","487:4870005142","469:4690001930","496:4960008493","490:4900000514","490:4900000612","487:4870007631","466:4660011361","496:4960006095","487:4870004705","496:4960009477"],"twin_admin_codes":[490,487,496,496,490,487,487,487,487,487,487,487,496,470,490,487,469,496,490,490,487,466,496,487,496],"twin_sims":[0.294415220144486,0.28134841048624615,0.2628748553959603,0.25551327256887224,0.25402297615903063,0.22512449901372986,0.22038714731178838,0.21303451315811509,0.20754648285069974,0.2024132941536965,0.20131794553431903,0.18709460695568125,0.17404717400116193,0.1695325188179896,0.16876440783922328,0.16868751271490842,0.16755328629262814,0.16715519304754198,0.15879516981327446,0.1551359517713598,0.15106228716223483,0.1492369245417497,0.14818222097700456,0.146582897243459,0.14552078670639554],"twin_dists":[0.20310012958565676,0.20683599657556773,0.21230226110003567,0.21454706514358568,0.21500646325033143,0.2242809963551767,0.22587481081458033,0.22839462304489822,0.2303140088449896,0.23214087609871065,0.23253480587918973,0.23779028199732238,0.24286382592972314,0.24468232902090742,0.2449951704069877,0.2450265450840188,0.24549053073653357,0.24565391745222404,0.24915195215648175,0.2507252752516903,0.2525090730094565,0.2533198554417966,0.25379166585166213,0.25451185921840846,0.2549933562862489],"n_dims_used":45,"mean_confidence":0.9123536851671007},"coverage":{"mean_confidence":0.9123536851671007,"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}}