{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001457},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001591","490:4900004045","490:4900000489","490:4900000622","490:4900001191","490:4900000510","490:4900000285","490:4900000699","490:4900002932","490:4900004875","490:4900000589","490:4900003901","490:4900001190","490:4900001440","490:4900001058","490:4900000590","490:4900000423","490:4900001180","490:4900001217","487:4870006576","496:4960006512","490:4900003350","490:4900000500","490:4900000926","490:4900001320"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,496,490,490,490,490],"twin_sims":[0.6420271331716482,0.6130726127673547,0.5882177819729212,0.5468523822430658,0.4869825301404056,0.48086848492776957,0.47531807421238026,0.4499672477322062,0.44494972698624985,0.4436851394622002,0.4384837477512241,0.43092962134117774,0.42578508017990624,0.4213566576714275,0.4204880728281167,0.4195095022685002,0.41823072833170616,0.4149102278276719,0.40686318105914526,0.40596867750829524,0.40523973643458494,0.4044781342659102,0.40311330387929895,0.3967098305467373,0.3876114228346402],"twin_dists":[0.12226490913279042,0.12847362516112587,0.13379694922375093,0.14269375358250044,0.15579818729165115,0.15716009334318043,0.15840120630631283,0.16413386246096942,0.1652822114134299,0.16557241068252027,0.1667694145128781,0.16851788955673672,0.16971575084706128,0.17075167757644216,0.17095539778647373,0.1711851276610755,0.1714856766844683,0.17226793067063836,0.17417503415736102,0.17438804799829755,0.17456178998171062,0.17474346580588684,0.17506942202254644,0.1766054434582963,0.1788076858039109],"n_dims_used":45,"mean_confidence":0.908052486843533},"coverage":{"mean_confidence":0.908052486843533,"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}}