{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010650},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008120","490:4900011075","490:4900011076","490:4900010489","490:4900007999","490:4900010483","490:4900008345","490:4900011221","490:4900011690","490:4900007773","490:4900008227","490:4900010745","490:4900010996","490:4900008005","490:4900010916","490:4900008006","490:4900008666","490:4900010660","490:4900010833","490:4900010744","490:4900008011","490:4900008344","490:4900010835","490:4900011374","490:4900011375"],"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":[0.5207025043248761,0.44240238103031504,0.39560897129458195,0.33349368256882217,0.3056732021528455,0.26974030958450435,0.2635493362276817,0.2600450682034263,0.24556593291377607,0.23640088821865252,0.2313978534944068,0.21990730490821975,0.21518302897509958,0.2103111549450418,0.20968012082462803,0.18527518953991268,0.18244292974571505,0.17938873638734687,0.17116369412060553,0.1709383865830409,0.15859884036553432,0.15070096214575282,0.14914789287852248,0.14698167068061604,0.13044959395189581],"twin_dists":[0.14837288077390817,0.1658671051340697,0.17687064726565566,0.19247130474259974,0.19995936934699618,0.21024393925339777,0.21209857308999489,0.21316042261719215,0.2176465319033807,0.22057462006278608,0.2222043353488309,0.2260375188778038,0.2276523291800671,0.229342838145199,0.22956373844337152,0.23848245286969835,0.23956952711766855,0.24075522212180964,0.2440213331605355,0.24411236408696124,0.249235691044841,0.25266899017787575,0.25335958760194094,0.25433174573947354,0.26212573789184357],"n_dims_used":45,"mean_confidence":0.8862297905815972},"coverage":{"mean_confidence":0.8862297905815972,"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}}