{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001102},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["467:4670000503","499:4990002057","499:4990003948","499:4990001946","499:4990001862","499:4990001595","488:4880000051","488:4880000333","489:4890001865","477:4770003973","488:4880000258","496:4960005684","499:4990001202","500:5000005665","488:4880000190","488:4880000338","499:4990004121","488:4880001149","485:4850007399","488:4880000654","468:4680001627","488:4880000073","499:4990000524","488:4880000870","488:4880001151"],"twin_admin_codes":[467,499,499,499,499,499,488,488,489,477,488,496,499,500,488,488,499,488,485,488,468,488,499,488,488],"twin_sims":[0.4109921807184205,0.39108226632130577,0.375003033328164,0.3691270582932579,0.3405920234077006,0.34014485705529585,0.3256209131865325,0.31096243696763043,0.3028796106243178,0.2865006759899471,0.2835881863396558,0.2813373501492218,0.27786753095220396,0.27662367006430794,0.2751004265144632,0.2742403464430781,0.2739809652624753,0.2723163983971539,0.27078350005114793,0.261233218909677,0.26023443609123653,0.2601796396740105,0.25982766058964957,0.25724182283379793,0.2562768648289421],"twin_dists":[0.1731944428015592,0.1779647633455179,0.18190044361108118,0.18335907730058867,0.1906166332785123,0.19073285155189088,0.1945536654170197,0.19850695363291732,0.2007323435581642,0.2053507763530275,0.2061883483844982,0.2068392024804643,0.20784875223704294,0.20821252340035068,0.20865936497443763,0.20891233789137192,0.20898872442264982,0.20947999207782803,0.20993403772541025,0.21279939394069983,0.21310281240915735,0.21311948006996373,0.21322659571230912,0.21401634414818277,0.2143123383458847],"n_dims_used":45,"mean_confidence":0.926387702094184},"coverage":{"mean_confidence":0.926387702094184,"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}}