{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000494},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000785","490:4900000489","490:4900000934","496:4960008762","496:4960008668","494:4940008024","490:4900000495","490:4900001046","490:4900000775","494:4940008513","490:4900000589","496:4960008146","496:4960009061","490:4900002932","490:4900000699","490:4900000808","494:4940008870","490:4900001179","490:4900000908","494:4940008236","490:4900000823","490:4900000948","494:4940008405","490:4900001045","494:4940008502"],"twin_admin_codes":[490,490,490,496,496,494,490,490,490,494,490,496,496,490,490,490,494,490,490,494,490,490,494,490,494],"twin_sims":[0.6213187759899952,0.6160122711988931,0.565797849452955,0.5363163601128476,0.5321982731148557,0.5301763795140845,0.5294953623530382,0.5002180042049821,0.4838280738917499,0.48032553433549097,0.4779864567394759,0.4755825076543967,0.4731927912239322,0.46445815018779857,0.4608405239685759,0.45973847062546624,0.4475860469427066,0.42267896810586836,0.4207785946099433,0.41562964433148636,0.413643007048843,0.40883348633824584,0.40805028241518976,0.40782724879875637,0.40029706508506874],"twin_dists":[0.12670732324352948,0.127844053829413,0.13860941541402616,0.14497519306593312,0.14586924780526112,0.14630873004223077,0.14645683665503398,0.15286743192818414,0.1565001749907603,0.15728129743245253,0.15780395612155784,0.15834197085645638,0.15887768302973507,0.16084354329211714,0.1616614714833194,0.16191109055206257,0.16467823559871908,0.17044187868080046,0.17088723827179061,0.1720982207442645,0.17256717671333463,0.17370656402792015,0.17389266284053953,0.17394568721885934,0.17574358642591134],"n_dims_used":45,"mean_confidence":0.9163848876953125},"coverage":{"mean_confidence":0.9163848876953125,"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}}