{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013295},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013197","490:4900013317","490:4900012980","484:4840002800","486:4860004816","490:4900013362","469:4690002482","469:4690000201","476:4760004011","484:4840007426","490:4900003145","494:4940008849","494:4940008053","469:4690002065","481:4810003781","469:4690005506","492:4920006447","472:4720000597","497:4970000798","497:4970000960","469:4690000338","496:4960001777","490:4900013196","480:4800003867","496:4960009299"],"twin_admin_codes":[490,490,490,484,486,490,469,469,476,484,490,494,494,469,481,469,492,472,497,497,469,496,490,480,496],"twin_sims":[0.013055582923646922,0.004093278228161722,0.0015057316415432614,0.0008249268757240757,0.0005027160322021796,0.0003795223315380166,0.0003683677487537168,0.00036274861171134535,0.0002702013028003365,0.00021340436828076978,0.00020701528128210322,0.0002001430406482964,0.00018767561780985007,0.00013624800026415572,0.00009061348554600636,0.00008022983639296599,0.00007219549447334462,0.00005827957800124668,0.0000444735487115484,0.00004434318184219451,0.000038051815168874695,0.00003624069060545472,0.00003529391398021766,0.00003463458785591278,0.000032713551183384975],"twin_dists":[0.38256974210897016,0.43068264252942223,0.46821423748290875,0.48941200552468594,0.5061935440420454,0.5154756560936925,0.5164508852229904,0.5169526837701458,0.5264754599787089,0.5339822910047717,0.5349415814956789,0.5360050292330697,0.5380252035381407,0.5479728849987587,0.5603871932191216,0.5640386359748689,0.5671853330796729,0.5735178192183997,0.5814147602904985,0.5814999196912689,0.5859214271884081,0.5873236218956498,0.5880833813558851,0.5886240088551088,0.5902569315227459],"n_dims_used":45,"mean_confidence":0.9106560601128473},"coverage":{"mean_confidence":0.9106560601128473,"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}}