{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004197},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004234","499:4990003735","500:5000011145","489:4890000736","470:4700005425","499:4990003428","499:4990001200","499:4990003604","499:4990003805","499:4990001124","499:4990004062","468:4680000463","467:4670000826","499:4990002491","499:4990002587","470:4700004838","472:4720003025","468:4680000261","499:4990003662","472:4720000128","499:4990004136","468:4680001635","488:4880002766","468:4680001143","488:4880005675"],"twin_admin_codes":[499,499,500,489,470,499,499,499,499,499,499,468,467,499,499,470,472,468,499,472,499,468,488,468,488],"twin_sims":[0.38842730121255314,0.38368979549671633,0.37903505884906796,0.3447385312627482,0.3382092668030704,0.3338561496930259,0.3219061993932761,0.3207801022567219,0.31954631178759607,0.3120334285181646,0.31089589468934087,0.31044787795668055,0.30955569469622946,0.30946915323607366,0.3055049791305368,0.2915576598263033,0.2840661937722232,0.2827843108161672,0.2791524331561442,0.2786719233662631,0.2770837268551724,0.2760708906683539,0.27494775358318746,0.2745997504354638,0.2714510531884159],"twin_dists":[0.1786092249856572,0.1797643890902041,0.18090603063928876,0.189542817975884,0.1912368589293381,0.19237608341125131,0.1955458772628514,0.19584792180880942,0.19617953494790163,0.1982145900966389,0.19852513758519247,0.198647624751033,0.1988918483371949,0.19891555939649727,0.2000057998203709,0.20390852784386268,0.20605052925723186,0.20642043823696207,0.20747401916482586,0.20761403344271512,0.20807786218704363,0.20837450614028558,0.2087042348057795,0.20880656833610142,0.20973611371890433],"n_dims_used":45,"mean_confidence":0.9314093695746528},"coverage":{"mean_confidence":0.9314093695746528,"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}}