{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001758},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001917","489:4890003083","489:4890003313","489:4890002023","489:4890002171","489:4890001672","489:4890003079","489:4890003259","489:4890002664","489:4890002001","489:4890001919","489:4890002104","489:4890002102","489:4890002088","489:4890003164","489:4890003314","489:4890001994","489:4890002021","489:4890001848","489:4890001928","489:4890003005","489:4890003260","489:4890002180","489:4890002079","489:4890001914"],"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":[0.8914271549577842,0.853543775617975,0.8436308297899402,0.7605123279989775,0.7537256184242795,0.7205928806021161,0.7168692899992027,0.71208912718261,0.6943769812266732,0.6939022882485553,0.69153040290026,0.680959848876411,0.6761525400468765,0.6681940003220425,0.6625190269586531,0.6532584635750134,0.6436548023013263,0.6426947926039352,0.6386563265979299,0.6361525470699632,0.6295145208201036,0.6138365173304474,0.6136769038395703,0.6112938525048338,0.6085753004937572],"twin_dists":[0.06226707806202005,0.07309025264440293,0.07573816116593422,0.09610061911710752,0.09766127573432647,0.10513914669209067,0.10596703776559896,0.10702669541211898,0.1109253221866321,0.11102926143005698,0.11154822292921467,0.11385362815933173,0.11489842226118216,0.11662363453686149,0.11785077502221808,0.119848528528003,0.12191510060414436,0.12212143399763123,0.12298898621881567,0.12352653141597231,0.12495064506106658,0.12831003127577698,0.12834421367807644,0.1288545389203446,0.12943667319350077],"n_dims_used":45,"mean_confidence":0.9146964179144965},"coverage":{"mean_confidence":0.9146964179144965,"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}}