{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001802},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002054","489:4890002056","489:4890001800","489:4890001966","489:4890002220","489:4890001716","489:4890002548","489:4890001798","489:4890001551","489:4890001634","489:4890002385","489:4890001972","489:4890002055","489:4890002057","489:4890001886","489:4890001402","489:4890001472","489:4890002467","489:4890001548","489:4890001884","489:4890001550","489:4890001552","470:4700008337","489:4890002137","489:4890001714"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,470,489,489],"twin_sims":[0.7495630808863668,0.7469594039573478,0.7098050849720351,0.7056366816063746,0.6553176874241998,0.5885284195402732,0.5774312493205686,0.5498949326959228,0.5488244965454208,0.5476935123164931,0.5454635881899502,0.5128568616757455,0.4920042000318705,0.4855267378712882,0.48305181924280616,0.4735165639714389,0.4387615557584667,0.4167905874356726,0.388631571186188,0.3679632590471512,0.35949063758843774,0.34894881439451303,0.3194572242246101,0.3186984656924096,0.299603399578776],"twin_dists":[0.09861310913137404,0.09920650241382062,0.10753182073306983,0.10845177429390243,0.11940476185720666,0.13373037429344928,0.13611018431992958,0.14203638860641518,0.14226759446785112,0.14251195992298107,0.14299401935453818,0.15008889311088883,0.15468351595015498,0.15612198234486763,0.1566731385902618,0.1588050494058306,0.16670534248925956,0.17182462127324113,0.17855956749182086,0.1836493387679304,0.18577655831228712,0.18845947464876994,0.1962035073345494,0.19640783256190586,0.20164415790192752],"n_dims_used":45,"mean_confidence":0.9180041842990452},"coverage":{"mean_confidence":0.9180041842990452,"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}}