{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013130},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013124","490:4900012970","490:4900013054","490:4900013257","494:4940008154","490:4900013364","490:4900004349","466:4660010645","490:4900013294","494:4940004088","490:4900012450","494:4940008448","490:4900004361","490:4900012875","491:4910000147","490:4900012376","490:4900012587","490:4900013261","466:4660008974","494:4940005906","490:4900012459","490:4900012811","490:4900012797","490:4900013091","490:4900013095"],"twin_admin_codes":[490,490,490,490,494,490,490,466,490,494,490,494,490,490,491,490,490,490,466,494,490,490,490,490,490],"twin_sims":[0.04294820183080387,0.01208282388431375,0.0051899219771835885,0.0033272434177978125,0.0014390678751432897,0.001401758711414217,0.0009923257591841754,0.0009854413038891405,0.000945801363024111,0.0009344625354037884,0.0008260072488261249,0.0008102511985772755,0.0006910403948583594,0.0005752111200999066,0.00046696224524921397,0.00034660996899884866,0.0003243825117779346,0.00027771369216564995,0.00022907666404010615,0.00019175552799659748,0.00017394499410911256,0.00014372443245628153,0.00014302096520397558,0.00014233992770879992,0.0001208940022688249],"twin_dists":[0.32586647629573934,0.38596854992338514,0.42128355458584743,0.43872252025026265,0.46984273382038305,0.470784809416879,0.48300247158579157,0.48324553258106756,0.4846764826060437,0.48509604100401044,0.48936689611280193,0.49003026900416147,0.49547797005314315,0.5016845994207054,0.5086460022226533,0.5184354770797988,0.5205873353483814,0.5255961246701066,0.5317390098601815,0.5373505484374718,0.5404018404575635,0.5463260347622827,0.5464775003214865,0.5466248076198893,0.5516409150919566],"n_dims_used":45,"mean_confidence":0.9127545674641927},"coverage":{"mean_confidence":0.9127545674641927,"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}}