{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000308},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000649","480:4800000440","480:4800000437","480:4800000890","480:4800001080","480:4800000353","480:4800001077","480:4800000654","480:4800000931","480:4800000542","480:4800000840","480:4800000918","480:4800000310","480:4800000662","480:4800000536","480:4800000886","480:4800000680","480:4800000546","480:4800000611","480:4800000351","480:4800000467","480:4800000548","480:4800000648","480:4800000410","480:4800000678"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5699782222775052,0.527541990101049,0.5271004791821801,0.4888953572227891,0.4504953328292592,0.42809686031629646,0.36516506366013957,0.3635022794673625,0.34999704634826184,0.3417902367540897,0.3286827617504627,0.3239315840067083,0.31811461315710027,0.3072106865084068,0.30506008208019403,0.29980263659319506,0.29807966074185016,0.2973897387803328,0.29322687559626154,0.29240836750199395,0.29102182571084845,0.28030921314196167,0.2784399884130274,0.27729811835042245,0.26830506694554057],"twin_dists":[0.13771070570159863,0.14688188024395157,0.14697799799643982,0.15537318738369568,0.16401328188732556,0.1691767424946083,0.18434911926114497,0.18476623147941557,0.18819082668877232,0.19030562051700722,0.19374054608814362,0.1950041052801866,0.19656524397021874,0.1995356974333869,0.2001286651578306,0.20158854175865437,0.20207022107408196,0.2022635551367356,0.20343574266802708,0.20366737507076754,0.20406063709898364,0.20713754840035575,0.20768166883767866,0.2080151552149023,0.21067152208517814],"n_dims_used":43,"mean_confidence":0.9132500581963118},"coverage":{"mean_confidence":0.9132500581963118,"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}}