{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002065},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004066","490:4900004207","490:4900003244","490:4900004475","490:4900002816","490:4900002963","491:4910001402","490:4900003777","490:4900002964","490:4900005425","490:4900006431","490:4900005304","491:4910001810","490:4900002822","490:4900003778","490:4900003238","490:4900003369","490:4900004194","490:4900003499","490:4900006790","490:4900002967","490:4900007411","490:4900002966","490:4900003912","490:4900006190"],"twin_admin_codes":[490,490,490,490,490,490,491,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.44846610780464524,0.4079487061370789,0.24054049491071236,0.23869141736835234,0.2214755769358946,0.22078120032567214,0.2145215281340911,0.1999899341341365,0.19168595722179,0.18359065031567978,0.17789602221518794,0.171464244302475,0.1706524767214698,0.17018433299864558,0.1662242805037767,0.16115753035242197,0.16090819959538513,0.15394956517997202,0.15211501269496092,0.1463606245066145,0.1424261055808532,0.14131512963363912,0.13430678657536135,0.13169220691661607,0.1297247478442334],"twin_dists":[0.1644769157543945,0.17391681016150062,0.21924312390796713,0.21983601704968875,0.2255066158329666,0.2257413700218997,0.22788033658023465,0.23301439331942664,0.23606429861179895,0.23912758689165076,0.24133993089670408,0.2439000355688236,0.2442280040776641,0.2444176513618115,0.24603708311124203,0.24815021074529364,0.24825543173958628,0.2512411956288306,0.2520447497882179,0.25461241018868747,0.25641131382695126,0.25692593698318666,0.2602438862143853,0.2615149686779706,0.2624840436354623],"n_dims_used":45,"mean_confidence":0.8979790581597222},"coverage":{"mean_confidence":0.8979790581597222,"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}}