{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009172},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009277","490:4900009990","490:4900009273","490:4900008173","490:4900006739","490:4900010185","490:4900010188","490:4900008061","490:4900007953","490:4900009375","490:4900009369","490:4900011546","490:4900006737","490:4900004667","490:4900011601","490:4900004808","490:4900011804","490:4900008723","490:4900008722","490:4900007599","490:4900009969","490:4900007958","490:4900011860","490:4900011729","490:4900010628"],"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":[0.7276109258163247,0.566554054655111,0.3973637901549613,0.3964647118168563,0.3658181820946712,0.36472107605061865,0.3447223142206372,0.34158976439249433,0.33702014608151054,0.3179125098651952,0.2837756450623878,0.27800352761213815,0.27457825175495815,0.26469883154476287,0.26328643053484696,0.2626175235828293,0.25584677776947273,0.24939544199741906,0.24770221849664045,0.23865296354354293,0.2350833754073882,0.2333731270065824,0.2292505419041608,0.22491045478678146,0.22419998598525856],"twin_dists":[0.10357257338167755,0.13844678636666935,0.17644806060610238,0.17666446475990008,0.18418554537408774,0.18446040034538036,0.18954700424935825,0.19035761520811004,0.19154726400350647,0.19661977057951027,0.206134283592956,0.20780903985434124,0.20881289282781512,0.2117521836743584,0.2121779297677527,0.21238005948733693,0.2144444917285603,0.21644396883566921,0.2169742116684344,0.21984837864040865,0.221001583609366,0.2215581636448366,0.2229109194421701,0.22435252389198063,0.22459026752965713],"n_dims_used":45,"mean_confidence":0.9204056633843316},"coverage":{"mean_confidence":0.9204056633843316,"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}}