{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001702},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003477","490:4900002469","496:4960007776","490:4900001296","490:4900001468","490:4900001430","490:4900001700","490:4900004559","490:4900003757","490:4900002004","490:4900004305","490:4900001573","490:4900002331","490:4900003893","490:4900002176","490:4900003475","490:4900002763","490:4900002161","496:4960007777","490:4900004150","490:4900004593","490:4900003202","490:4900001696","490:4900003753","490:4900001201"],"twin_admin_codes":[490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490],"twin_sims":[0.5538990540495546,0.5044647116451194,0.4872450052646016,0.4864958504919247,0.4741100596579464,0.46416543033778584,0.4375846168016017,0.43053580442223754,0.4077246474499015,0.393363583901387,0.3872434021871204,0.38451198320829943,0.3584692690310776,0.35455005165895076,0.35410665251829737,0.3515277062839992,0.3497073317641588,0.3482555835232867,0.348052587355383,0.34717706407420973,0.34349246581589993,0.340313927138939,0.34007864205584043,0.3397689586564867,0.3381541829149263],"twin_dists":[0.14117217237507712,0.15193176805895223,0.15573983950599496,0.1559064007806345,0.15867195010124768,0.16090964266033617,0.16697689454842538,0.16860937886630928,0.17397008414088408,0.17741263265989798,0.17889727066028005,0.17956342767342381,0.18603470569465924,0.1870287994472802,0.1871416223408174,0.18779929433594586,0.1882650344640547,0.18863737331871716,0.18868950194793813,0.18891451655838484,0.18986478304418636,0.19068890071205657,0.19075006775336106,0.19083061073337826,0.19125122487542345],"n_dims_used":45,"mean_confidence":0.9172368367513021},"coverage":{"mean_confidence":0.9172368367513021,"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}}