{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001369},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001500","490:4900001502","490:4900001366","490:4900001496","490:4900001780","490:4900003796","490:4900001122","490:4900003797","490:4900002397","490:4900001235","490:4900001243","490:4900004074","490:4900001637","490:4900003941","490:4900001370","490:4900004211","490:4900001501","490:4900001777","490:4900003249","490:4900001638","490:4900004489","490:4900002247","490:4900001640","490:4900002681","490:4900004079"],"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":[0.7228193583459469,0.6511282659971195,0.5994267902405077,0.5402270064721731,0.5390840031690219,0.5143369755442702,0.5119766732071285,0.4874910409936719,0.4654550567402206,0.4566186249373883,0.40741612093696533,0.40673252482095984,0.39915120796534753,0.38022165759734117,0.361517959779901,0.3585281768545442,0.34134270346470663,0.33417856270010793,0.32928364700173757,0.3289047507291458,0.3278454638899119,0.31118403816683016,0.27546132270566037,0.2479892404350293,0.22339429700937002],"twin_dists":[0.10464304880590686,0.12030733379196094,0.13139568571020208,0.14412742983373594,0.14437509168275175,0.14976467184998218,0.150281811027963,0.15568515486311996,0.16061853934813447,0.16261891062893627,0.1740434630802957,0.17420613516908914,0.17601850181358647,0.18061436149920448,0.18526526714392377,0.18601980671674287,0.1904217155939795,0.19229143170238727,0.19358146320605066,0.1936817564295804,0.19396248594469492,0.19844641290007187,0.20855335994683047,0.21688416588072673,0.22486048220632973],"n_dims_used":44,"mean_confidence":0.9116052280772816},"coverage":{"mean_confidence":0.9116052280772816,"n_dims_used":44,"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}}