{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013140},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012488","490:4900012694","490:4900012559","490:4900012402","490:4900012886","490:4900013207","490:4900013097","490:4900012405","490:4900012898","490:4900012410","490:4900012888","490:4900012275","490:4900013031","490:4900012885","490:4900012486","490:4900012538","487:4870000823","490:4900012992","490:4900013096","490:4900013210","490:4900013178","490:4900012417","490:4900012941","490:4900013270","490:4900012942"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490],"twin_sims":[0.648796688892743,0.5540668283582937,0.48887017240527936,0.48102218592085283,0.48096439623319714,0.4401919056234526,0.42362596197135816,0.40052440619450375,0.38588903975210875,0.2862515407481634,0.2843440715604449,0.2785131162815045,0.2676584030574481,0.2492482817559199,0.24429095974409287,0.23433461252753246,0.23208778867397772,0.22047295226287436,0.20775990069068456,0.1909811244732847,0.161885835166916,0.1547195314297632,0.13423282822200389,0.127405624680887,0.12124354634757539],"twin_dists":[0.12080922848918979,0.14113598281251652,0.15537877977926473,0.15712579021126175,0.15713868736042746,0.1663757065604674,0.17022026105917024,0.1756890850046531,0.17922730186831692,0.20542222174283484,0.2059704757650542,0.20766034005286974,0.2108646372943735,0.2164899612498959,0.21804957993297883,0.2212449318499293,0.2219782260073478,0.22584574052264164,0.2302387269627813,0.23632736836462037,0.24784353136498613,0.2509060326415059,0.26027958440871746,0.26364069153800634,0.26679355569006186],"n_dims_used":45,"mean_confidence":0.9023492601182725},"coverage":{"mean_confidence":0.9023492601182725,"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}}