{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000187},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700001507","489:4890000148","489:4890000149","489:4890000555","489:4890001008","470:4700002441","489:4890000023","489:4890000650","489:4890000057","481:4810006000","481:4810006001","489:4890000029","489:4890000609","489:4890000145","470:4700001804","470:4700001958","481:4810006134","489:4890001265","489:4890000663","488:4880003046","485:4850004396","470:4700003957","489:4890001054","489:4890000212","489:4890000034"],"twin_admin_codes":[470,489,489,489,489,470,489,489,489,481,481,489,489,489,470,470,481,489,489,488,485,470,489,489,489],"twin_sims":[0.5418821447931832,0.5415865888384176,0.520921541277297,0.48717543921383494,0.47681330796701077,0.4759645983279609,0.4538926365043723,0.44289855131315,0.432318541474199,0.4308665255327625,0.4305169538129638,0.42108380155250547,0.4190309967902314,0.4146039556422289,0.41026545516230756,0.4030739542511834,0.40199072430798505,0.4009586206369964,0.39841422520384784,0.39389297945929636,0.39226222061842764,0.39102237088140424,0.3897548042174363,0.3859788789846059,0.38002583668316126],"twin_dists":[0.1437689745342523,0.14383296852721228,0.14832506187777802,0.15575530299064932,0.15806640203606276,0.15825639816769277,0.16323880780206834,0.16575307842203713,0.16819549382001686,0.16853254533054518,0.16861375898569478,0.17081565486822348,0.17129754466300245,0.17234021861936258,0.17336671647784896,0.17507882705779218,0.17533789460129695,0.17558502795330733,0.17619550952419147,0.17728471991903572,0.1776790008639002,0.17797927960936957,0.178286731645728,0.17920539284030387,0.1806624644440777],"n_dims_used":45,"mean_confidence":0.9136122809516058},"coverage":{"mean_confidence":0.9136122809516058,"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}}