{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011113},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011261","490:4900011729","490:4900011526","490:4900011189","490:4900011118","490:4900011191","490:4900011595","490:4900011269","490:4900011601","490:4900011119","490:4900011528","490:4900012196","490:4900011530","490:4900012064","490:4900011534","490:4900011594","490:4900011190","490:4900011266","490:4900011529","490:4900011192","490:4900011194","490:4900012137","490:4900011186","490:4900010949","490:4900012066"],"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":[0.5686869210233488,0.5256131205556999,0.5187445056920555,0.5059423946952814,0.4985676382314493,0.4823873314932201,0.45805465545540003,0.4353599430785547,0.4174407697115556,0.3935015258802053,0.3901386962080421,0.38202634796245105,0.37814836533957774,0.3576435608483481,0.35333781262025454,0.32314096548041876,0.30103494943957226,0.29887816556183483,0.27921612791686934,0.27643052632198717,0.27496399781656206,0.27275769513668957,0.2726728293068518,0.2718563914959716,0.2709434348758867],"twin_dists":[0.13798823211517863,0.14730192920830606,0.14880055024417987,0.1516066963606288,0.1532316437438264,0.1568212675689712,0.1622928936434074,0.16749097830047974,0.17167153561521145,0.17737929538313735,0.1781935681159818,0.18017160467667281,0.18112427116099974,0.1862436762958712,0.18733742739051842,0.19521536318932678,0.2012450261123342,0.20184678685121005,0.2074554703512296,0.20826909843248315,0.20869945997907197,0.2093495716481898,0.20937464272767514,0.20961608066986737,0.20988659096871362],"n_dims_used":45,"mean_confidence":0.91331787109375},"coverage":{"mean_confidence":0.91331787109375,"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}}