{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000660},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000929","490:4900000898","490:4900002749","490:4900003037","490:4900000765","490:4900001282","490:4900000923","490:4900001025","490:4900000479","490:4900007502","490:4900000773","490:4900000664","490:4900003184","494:4940008576","490:4900002926","490:4900000884","490:4900000227","490:4900002001","490:4900002182","490:4900000657","490:4900000772","490:4900003844","490:4900001880","490:4900000576","490:4900004166"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.607806029593566,0.6024308949957689,0.4767312538763261,0.4712749124319615,0.46064415557124755,0.45697667377377477,0.4567608171347816,0.447721569929344,0.4421719724327417,0.4218833097031878,0.41755284775733853,0.41407098095218775,0.40787422392892225,0.40112416367597703,0.3873682470144435,0.3815490083949044,0.37679497874508466,0.36666252046173076,0.36213444138055406,0.36209385372481967,0.36072219333247674,0.3586352095812926,0.3574609470115858,0.35625815002311195,0.3495780247705833],"twin_dists":[0.1296013959897026,0.13075237027083997,0.1580847662412681,0.15930827043455292,0.1617059340904316,0.16253758944811345,0.16258661272732589,0.16464722407788718,0.16592007299461847,0.1706282414313592,0.1716451571113186,0.17246606912030935,0.17393451820803124,0.17554536993674333,0.17886687599249976,0.18028861547121178,0.18145785827297153,0.18397429776789243,0.18511007996836495,0.18512029298687763,0.18546578492491614,0.18599273918961898,0.1862899257282359,0.186594854533348,0.18829816568135033],"n_dims_used":45,"mean_confidence":0.9180857340494791},"coverage":{"mean_confidence":0.9180857340494791,"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}}