{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001293},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001294","490:4900000695","490:4900002486","490:4900001023","490:4900001168","490:4900002185","494:4940007617","490:4900000673","490:4900000776","490:4900003221","490:4900002027","490:4900001045","490:4900000671","490:4900002932","490:4900001726","490:4900000930","490:4900001292","496:4960007780","490:4900001295","490:4900001725","494:4940008339","490:4900003057","494:4940007920","494:4940008135","490:4900001705"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,496,490,490,494,490,494,494,490],"twin_sims":[0.6884301052826877,0.607577330046381,0.6032335632795136,0.578805360690317,0.5693930990644406,0.5436824051936813,0.5269589967519792,0.5227890855615319,0.5221121089159865,0.5213256655200414,0.5180634985412018,0.5122843833496438,0.5071600773167804,0.48566562354725257,0.4797653422254152,0.4766279758298424,0.47303626376956603,0.4692355572003658,0.46889793467345847,0.46744708608382896,0.465696363540154,0.46197013914415536,0.4536056487709358,0.44708768636759694,0.43651848573164237],"twin_dists":[0.11222560835026742,0.12965036687883635,0.13058049105310152,0.13581531256534038,0.137836451600795,0.14337931839884085,0.14700880271520148,0.14791753952234474,0.14806522567674887,0.14823684808415796,0.14894938672703958,0.15021435823958523,0.15133901149248274,0.15609107876306752,0.1574063960811777,0.15810788195761136,0.15891280355789825,0.15976677616702634,0.15984274837780432,0.16016943226039046,0.1605641010073933,0.1614058291271886,0.16330414866997425,0.16479230525447255,0.16722312930850503],"n_dims_used":45,"mean_confidence":0.9174531724717881},"coverage":{"mean_confidence":0.9174531724717881,"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}}