{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009848},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010144","490:4900012112","490:4900010323","490:4900008118","490:4900011770","490:4900012182","490:4900010035","490:4900010841","490:4900010589","490:4900012044","490:4900009928","490:4900012103","490:4900012177","490:4900011250","491:4910005807","490:4900012165","490:4900010825","490:4900011140","490:4900009822","490:4900010579","490:4900008437","490:4900011219","490:4900009626","490:4900011237","490:4900011370"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5169237749512262,0.04873812708513634,0.033165591455063745,0.027203118921153017,0.01931309182001294,0.017752274357222573,0.012287147135396467,0.010638401292238578,0.009957222595938668,0.009758008940156469,0.00933668948812698,0.009282556603396703,0.009160372754644252,0.009084120158096497,0.009065136373224815,0.006419567082540609,0.006415663619827993,0.006005941890615934,0.005666080731727857,0.005295574553183403,0.005181668784741009,0.005019841267490163,0.004685607554407298,0.00426470173561289,0.004242523419298942],"twin_dists":[0.14919858241978615,0.3192532400207285,0.3389819827482199,0.34870386334629233,0.36489748589681154,0.36877227247185174,0.3852350305301409,0.39149285232113873,0.3943335538265894,0.39519707046182645,0.39707639495349034,0.39732332213855265,0.3978854262819234,0.39823962889443876,0.39832822385740424,0.4126823744616611,0.41270723411430366,0.4153956239237022,0.41775426976700275,0.4204759003631226,0.4213472703700217,0.4226155316099769,0.42535667949551526,0.4290728768235097,0.42927779692447976],"n_dims_used":45,"mean_confidence":0.8923979017469618},"coverage":{"mean_confidence":0.8923979017469618,"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}}