{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002434","489:4890002679","489:4890002433","489:4890001681","489:4890002681","489:4890003099","489:4890003260","489:4890003019","489:4890002856","489:4890003023","489:4890003024","489:4890003259","489:4890002021","489:4890001853","489:4890002853","489:4890003097","489:4890002682","489:4890003183","489:4890001920","489:4890001935","489:4890002769","489:4890002926","489:4890003597","489:4890003395","489:4890002272"],"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":[0.9031243323906987,0.7109595649290101,0.6886643705306745,0.6686812516541475,0.6514014840402512,0.6512016115207087,0.6443099241516898,0.635077882132685,0.6345860167676677,0.6277891600895316,0.6155687345722013,0.609175898648268,0.6024780968525454,0.587069439512112,0.5821036893529807,0.5814921518826016,0.5766941816683022,0.575996535571567,0.5664240305198047,0.5622181300158915,0.5545457768589214,0.5534724297412185,0.5392297235403928,0.5332884555664049,0.5327888867499816],"twin_dists":[0.05862939068532288,0.10727659718768665,0.11217446032933723,0.11651815949167446,0.12024850180474786,0.12029154071681797,0.12177427252817664,0.12375718545643469,0.12386274064526004,0.12532058970340615,0.12793904918166918,0.12930806707939807,0.13074226263139274,0.13404307650417668,0.1351077601928666,0.13523892206032648,0.13626837801134334,0.13641812788426966,0.1384747474131783,0.13937963611649776,0.14103268100165522,0.14126420447571283,0.14434351197888146,0.14563242805347948,0.14574093673197974],"n_dims_used":45,"mean_confidence":0.9178845723470052},"coverage":{"mean_confidence":0.9178845723470052,"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}}