{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005199},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890005157","489:4890005198","489:4890005345","489:4890005119","489:4890005226","489:4890005052","489:4890005232","489:4890005156","477:4770002345","489:4890005257","489:4890004813","477:4770003380","489:4890005128","477:4770003074","477:4770002346","489:4890005288","489:4890005285","489:4890005168","489:4890005236","489:4890005120","489:4890004861","489:4890005224","489:4890005258","477:4770003448","477:4770003388"],"twin_admin_codes":[489,489,489,489,489,489,489,489,477,489,489,477,489,477,477,489,489,489,489,489,489,489,489,477,477],"twin_sims":[0.801886439388011,0.7881599307501447,0.6940644112039429,0.6933424488455766,0.6798425782426258,0.6141832689629001,0.6130141558398462,0.6018485775068098,0.599731326846445,0.5991241615273823,0.5905832610735058,0.5677790957058506,0.5588847690820059,0.5488897428274916,0.5438742911372223,0.5139051541777463,0.48387536048108293,0.4712202191142114,0.4688852746720541,0.4570329439234426,0.4518312935664508,0.4429467535235073,0.43975142904326503,0.43850645790231396,0.4265615999831495],"twin_dists":[0.08630319025942845,0.08961419654619202,0.11099376578023444,0.11115181078369976,0.11409664198293262,0.12823577110699078,0.12848614380630385,0.13087706659774895,0.13133046771608797,0.13146049587533537,0.1332900353875744,0.13818338481765965,0.14009742983559512,0.14225349964293552,0.14333779954836562,0.14985923892887934,0.15648964147899522,0.15932055833743594,0.1598455975072446,0.16252481129021715,0.16370846946965836,0.16574200352594046,0.16647717325609723,0.16676417617647435,0.16953456519440854],"n_dims_used":45,"mean_confidence":0.9208913167317708},"coverage":{"mean_confidence":0.9208913167317708,"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}}