{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002499},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004034","490:4900003893","490:4900001450","490:4900001193","490:4900002195","490:4900001882","490:4900002347","490:4900003892","490:4900001740","490:4900000521","490:4900001167","490:4900002341","490:4900002507","490:4900004184","490:4900002176","490:4900002654","490:4900000953","490:4900002188","490:4900004032","490:4900003898","490:4900002498","490:4900002360","490:4900000475","490:4900000464","490:4900000274"],"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":[0.6255755061305182,0.5991850654315859,0.5904488958813708,0.5802333586642505,0.5788373838895838,0.5633544404745577,0.5493125314367484,0.529315943575987,0.5209141781611588,0.51170683679729,0.48779125270867113,0.46977844817138126,0.4447307358450043,0.4361899048737088,0.42996501854777336,0.4254388794591273,0.4202591226834293,0.4123342343708602,0.4009626498995084,0.39473219251272235,0.3942458121791628,0.3890652229065825,0.3768080442054774,0.37518027347949245,0.35596380305027825],"twin_dists":[0.12579512282688673,0.13144745279414635,0.13331882648103685,0.13550894066260435,0.1358084414047285,0.13913507737501082,0.14216217349934063,0.1464958631461151,0.1483266692749651,0.15034097000395216,0.15561844026766147,0.15964465306451545,0.16533244313765005,0.1672990667346181,0.1687420410469282,0.16979657409359075,0.17100912596725207,0.17287665255074605,0.17558406260235168,0.1770821120182631,0.17719951259253228,0.17845418862033463,0.1814546350685485,0.18185662173459896,0.18666955706864816],"n_dims_used":45,"mean_confidence":0.9175493028428819},"coverage":{"mean_confidence":0.9175493028428819,"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}}