{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007213},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006960","490:4900005732","490:4900005597","490:4900007342","490:4900005989","490:4900006123","490:4900005988","490:4900006961","490:4900007459","490:4900005598","490:4900008260","490:4900007212","490:4900007461","490:4900006837","490:4900007087","490:4900005984","490:4900006356","490:4900006243","490:4900006601","490:4900006235","490:4900007458","490:4900004250","490:4900008281","490:4900008059","487:4870005837"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487],"twin_sims":[0.016509804165292997,0.010838526654744711,0.005244624563582867,0.005212662499632377,0.0043151974147524735,0.004195859179546213,0.0011215670140145855,0.0005120856066018284,0.00035784689736924336,0.0002681910523867501,0.00012121022703384845,0.00011696851129434773,0.00009389134036416055,0.00007532708243217038,0.00006481432672864981,0.00006128373800566423,0.00005925821419145954,0.00004075213782840241,0.00003717369862673099,0.000032397189173559665,0.00003171262070817465,0.000026256050730530214,0.000024131846056936454,0.00001791753891181883,0.00001640397330847541],"twin_dists":[0.3720762798001015,0.39068906258743685,0.42086354617765165,0.42110846782152217,0.428609901288,0.42971215610856023,0.47870786269782895,0.5055778338544682,0.5173963983464969,0.5267146561383462,0.5515610335549375,0.5526493128372707,0.5593165809345209,0.5659211547867201,0.5703836684043768,0.5720376611979154,0.5730278485239797,0.5839444149979358,0.5865931593656398,0.5905345635582325,0.5911442648801007,0.596507570506464,0.5988883737811742,0.6072165089901053,0.6096631860308659],"n_dims_used":45,"mean_confidence":0.9421922471788194},"coverage":{"mean_confidence":0.9421922471788194,"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}}