{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002484},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002213","480:4800002399","480:4800002436","480:4800002294","480:4800001958","480:4800001504","480:4800002202","480:4800002249","480:4800001953","480:4800002435","480:4800002485","480:4800001803","480:4800001336","480:4800001672","480:4800002306","480:4800001727","496:4960009707","480:4800001287","480:4800001675","496:4960010056","480:4800002055","480:4800001337","480:4800003860","480:4800001459","480:4800002001"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,496,480,480,496,480,480,480,480,480],"twin_sims":[0.388784082099078,0.3722437405165172,0.31123108560952656,0.30966650444791166,0.2896217728591292,0.2864890651042852,0.2856625184344724,0.2803274457680011,0.24186634223772308,0.22156579377904015,0.21559255932711666,0.20901651666669896,0.2069707297127023,0.20662252177872784,0.20209404296069605,0.19471506760889254,0.1889295753611271,0.18865802660311978,0.18105681277767283,0.1779096366157162,0.17489011443275304,0.1742697664634975,0.17324232700806513,0.1705501981405672,0.16993370294777602],"twin_dists":[0.17852250050465823,0.1825839843756529,0.19843356286295727,0.19886149368122633,0.2044588639325205,0.2053541052190841,0.2055912863564495,0.20713225186176085,0.21881981995636887,0.22547615154116954,0.22751140835736283,0.2297965284030941,0.23051736609851772,0.23064054131801937,0.23225553955805475,0.2349413307869102,0.23709696245461992,0.2371992654106351,0.2401058892390314,0.24133458231063584,0.24252803764530928,0.24277504285924542,0.24318552496997062,0.24426940573225672,0.24451933670273873],"n_dims_used":43,"mean_confidence":0.9197563348814498},"coverage":{"mean_confidence":0.9197563348814498,"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}}