{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001334},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001723","487:4870006150","490:4900001203","490:4900003875","490:4900001192","490:4900001594","490:4900001589","490:4900002019","490:4900002172","490:4900003326","490:4900002631","490:4900001085","490:4900003077","487:4870008201","496:4960012056","487:4870006301","496:4960008260","494:4940008432","490:4900001327","496:4960005123","490:4900003221","490:4900002163","490:4900002462","490:4900009095","496:4960005831"],"twin_admin_codes":[490,487,490,490,490,490,490,490,490,490,490,490,490,487,496,487,496,494,490,496,490,490,490,490,496],"twin_sims":[0.5608319296576985,0.5440751067642631,0.5090800284767673,0.5029006480129804,0.4879685855739525,0.47878904282606966,0.4618549110441753,0.457667559987154,0.4418351351144956,0.43974667006831664,0.43676651868746413,0.43375981119881235,0.4303805789128202,0.42945998011093356,0.4229141402139772,0.42054433138462116,0.41433323037329045,0.41134054761865874,0.3975308341143245,0.3944434285123009,0.39186572355860905,0.3906726387077316,0.38633149112903326,0.38279610193419106,0.38255501770907235],"twin_dists":[0.13967806495147847,0.14329435136773427,0.1509172890737816,0.15227612192563877,0.15557903829990188,0.1576245288486382,0.1614318961885148,0.16238073823478993,0.1659975266408786,0.16647826973449076,0.16716582211215814,0.1678613885156704,0.16864544932239425,0.16885948205928422,0.17038682378930406,0.17094219737424368,0.1724041358143275,0.17311190810434623,0.17640787861311305,0.17715180466384356,0.17777498011966467,0.17806406149910933,0.17911942495879574,0.17998306181473553,0.18004209319311867],"n_dims_used":45,"mean_confidence":0.917344241672092},"coverage":{"mean_confidence":0.917344241672092,"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}}