{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001267},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001253","480:4800001266","480:4800001268","480:4800001316","480:4800001947","480:4800002002","480:4800001609","480:4800002003","480:4800001378","480:4800001885","480:4800001254","480:4800002540","480:4800001616","480:4800002109","480:4800001255","480:4800002053","480:4800002495","480:4800001543","480:4800001494","480:4800001771","480:4800001944","469:4690004395","480:4800001608","480:4800002252","469:4690004291"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,469,480,480,469],"twin_sims":[0.5656638136568539,0.45765831131754836,0.41874725371303656,0.3528557148758641,0.3144791419996371,0.30654163653119104,0.2924129850529441,0.27786814464455567,0.2759055526564746,0.2113675372282282,0.2007821960933442,0.1871667884802355,0.175067245509921,0.1609602531291687,0.154254481145314,0.15260064028243908,0.15218843715176558,0.1317674137029534,0.1259712397529576,0.11413819933395294,0.11174510900551404,0.11047063974043815,0.10681761858611474,0.10593827584590876,0.10219485569930437],"twin_dists":[0.13863824382814946,0.16238283738683712,0.1713642312102035,0.18746031897590473,0.19754908751443784,0.19971991126723107,0.20366606725643824,0.20784857300614237,0.2084229941946835,0.2289740455533621,0.2327280192101171,0.2377629192564593,0.2424576237364347,0.24823345466097876,0.25110832051016646,0.25183135054363376,0.25201245282168316,0.26147814266549485,0.2643640827513063,0.2705847152301271,0.2719023937367949,0.2726130454036664,0.27468576250622584,0.27519289317532963,0.27738915998477787],"n_dims_used":43,"mean_confidence":0.9212540027707122},"coverage":{"mean_confidence":0.9212540027707122,"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}}