{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009407},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009198","490:4900009086","490:4900008195","490:4900008192","490:4900010197","490:4900009084","490:4900009599","490:4900008306","490:4900008191","490:4900008307","490:4900008182","490:4900009085","490:4900009194","490:4900008412","490:4900008084","490:4900009079","490:4900010284","490:4900009592","490:4900009700","490:4900008527","490:4900008194","490:4900008641","490:4900009197","490:4900008519","490:4900009902"],"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":[0.80540214187781,0.6382752998187615,0.5782141448788114,0.5574134322030605,0.5063807777956931,0.47886262001897506,0.47606959892600487,0.45561470707099355,0.43029518240996734,0.42785384522025643,0.4232231161057064,0.42257750679203243,0.40259534497790417,0.4018729490863963,0.3889786600501285,0.36937505766538287,0.3475953956536243,0.3358727392408587,0.33195165312210123,0.32806460500763185,0.31994933293916333,0.3076213164530395,0.3040905187179368,0.30246936467474594,0.3019868334730046],"twin_dists":[0.0854439052564611,0.12307080535702809,0.1359421745680428,0.1404144512288505,0.15151030634769722,0.15760808466986984,0.15823288625832538,0.16284704700339442,0.168665295552519,0.16923334672517024,0.17031451057857186,0.1704656352152819,0.17519325352950513,0.1753660809307846,0.17847521927733656,0.18329728315751984,0.18880696564423555,0.19184734162222944,0.19287703299733444,0.19390436875493544,0.1960711336961877,0.1994227505546394,0.2003967853067729,0.20084620475248263,0.20098024333404352],"n_dims_used":45,"mean_confidence":0.9183794657389323},"coverage":{"mean_confidence":0.9183794657389323,"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}}