{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002962},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700007164","470:4700007163","470:4700007358","470:4700007363","466:4660003155","494:4940005208","496:4960010344","496:4960011133","470:4700007542","490:4900003629","470:4700007444","470:4700007543","470:4700007364","469:4690000675","498:4980005334","470:4700007453","494:4940005332","468:4680006628","488:4880006096","496:4960006464","488:4880006097","470:4700007165","468:4680006920","470:4700007357","478:4780002892"],"twin_admin_codes":[470,470,470,470,466,494,496,496,470,490,470,470,470,469,498,470,494,468,488,496,488,470,468,470,478],"twin_sims":[0.30809022525467544,0.25935380680640385,0.23704958388938127,0.2225651546166234,0.20333929185441754,0.196630398990202,0.18891672402381032,0.18691011584854086,0.18375524512097427,0.1731337929022808,0.1719466176310556,0.16103492397782676,0.15176538086758162,0.14757757972409366,0.1457393377294355,0.14288058041224355,0.1332898446812337,0.13220536594653554,0.12370615869041372,0.1225297527994191,0.12133741124619418,0.12062085873738224,0.12057275642207613,0.11634684748401015,0.11470669619780667],"twin_dists":[0.19929387975974386,0.21337094499414416,0.22036496985021486,0.22513924171117577,0.23180899234492738,0.23423751931443093,0.23710180173088372,0.2378602529972012,0.23906436807239168,0.24322898794626427,0.24370567487295106,0.24820193753004963,0.2521986984404256,0.2540632642755591,0.25489406633927314,0.2562016534555401,0.2607360439076816,0.2612640074118681,0.2655192473209424,0.2661255579925106,0.26674462416951256,0.2671188952391478,0.26714408086712466,0.2693873311470837,0.2702748228286545],"n_dims_used":45,"mean_confidence":0.9163740370008681},"coverage":{"mean_confidence":0.9163740370008681,"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}}