{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013264},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013263","497:4970001777","490:4900012930","490:4900012863","490:4900012446","494:4940006982","490:4900000855","490:4900012968","494:4940005063","490:4900013012","494:4940007411","494:4940007937","490:4900000867","494:4940007304","494:4940004934","490:4900012305","490:4900012877","490:4900002825","494:4940004944","494:4940006555","494:4940006233","494:4940006771","490:4900000865","494:4940008261","490:4900013011"],"twin_admin_codes":[490,497,490,490,490,494,490,490,494,490,494,494,490,494,494,490,490,490,494,494,494,494,490,494,490],"twin_sims":[0.11726738361858931,0.01654172566873815,0.006750839802252018,0.005609100234560735,0.0025656717488377816,0.0017562330446265267,0.0012303877258483603,0.0007672334776885786,0.0007328730351921336,0.0005696222741353691,0.0005399957408984104,0.0004831229069387775,0.00031380528416451707,0.00023722765659583967,0.0002303472340604623,0.00020083237921905337,0.0001985166447911274,0.00014522051434176205,0.00012674562177875806,0.00008413660294419495,0.000058663117791761036,0.0000573182684019389,0.00004952326478920457,0.00004700927335523576,0.00004402463153357688],"twin_dists":[0.26889342705820923,0.3719887030703792,0.41062067168928834,0.4181621674410531,0.44860441245040406,0.4626370632853022,0.4754337952570911,0.4919044649636905,0.49347308457573574,0.5020127613546717,0.5038041891196445,0.5075165106056082,0.5216603357288404,0.5306287667418234,0.5315635260875381,0.5358968191027178,0.5362617323776858,0.5460062210598432,0.5501937167436007,0.5626149854754003,0.5733248701367318,0.5740067745981943,0.5782862773389165,0.5798038643492723,0.5817090108928674],"n_dims_used":45,"mean_confidence":0.9123150295681424},"coverage":{"mean_confidence":0.9123150295681424,"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}}