{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003570},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003377","489:4890003573","489:4890002473","489:4890003150","489:4890002831","489:4890002993","489:4890003440","489:4890002558","489:4890003523","489:4890001993","489:4890002317","489:4890003151","489:4890002345","489:4890003446","489:4890002826","489:4890002553","489:4890001975","489:4890002911","489:4890003587","489:4890002260","489:4890002471","489:4890002910","489:4890002484","489:4890001976","489:4890002739"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9518673329022955,0.8686896913108602,0.8290867558171984,0.8026147950903489,0.8004082207932894,0.7977507781313401,0.7788862953057654,0.775564024992703,0.7670192762535989,0.7533938621713736,0.7530687176430689,0.7446841223501568,0.7414498078249389,0.7150930966133182,0.6966482267178826,0.6936176971773227,0.6897947870468589,0.6758949515818835,0.6707018377229553,0.6686507372753583,0.6680754152833701,0.6656192022294075,0.6624326475095773,0.6606476874003163,0.6566889353327815],"twin_dists":[0.04079366126509627,0.06891167822582593,0.07951681027547532,0.0861255663247929,0.08666305783452101,0.08730793227922735,0.09181496259361381,0.0925969100757942,0.09459345599375499,0.09773728346518301,0.09781175153799376,0.09972384364317645,0.10045735927931253,0.10636118530446538,0.11042764032987663,0.11109156320729378,0.11192756857603367,0.11495434551283289,0.11608056360626252,0.11652476546873254,0.1166493017785346,0.11718069692574054,0.11786943543538914,0.11825492218798933,0.11910911440404823],"n_dims_used":45,"mean_confidence":0.9142291598849827},"coverage":{"mean_confidence":0.9142291598849827,"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}}