{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002584},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002877","490:4900002427","490:4900002119","490:4900002875","494:4940007042","494:4940006933","494:4940006932","490:4900001970","496:4960007769","494:4940008647","490:4900002280","494:4940007041","496:4960007263","496:4960006482","494:4940008078","494:4940007021","496:4960006741","494:4940007566","487:4870001752","490:4900002428","490:4900012569","466:4660010838","490:4900005503","494:4940007461","494:4940006596"],"twin_admin_codes":[490,490,490,490,494,494,494,490,496,494,490,494,496,496,494,494,496,494,487,490,490,466,490,494,494],"twin_sims":[0.3730418954424463,0.35083845652942214,0.30999256488680527,0.28254140250365356,0.2745113709979971,0.25915921284770366,0.24475826598455677,0.23355390407532867,0.22260104081640686,0.22175062302733595,0.19349122137471575,0.1898829204602924,0.1836463100549164,0.17781655691423043,0.16948244680037472,0.1684639577717831,0.16445329174055762,0.15866295413240025,0.15591601824620355,0.15563139557679048,0.15529504769307745,0.15476703639833156,0.15281223958237314,0.14831243413307058,0.146324812941131],"twin_dists":[0.18238600719314982,0.18797548919354828,0.19877221046359594,0.20649064756313323,0.20883256978143763,0.21343027190596167,0.21790169672364493,0.22149920573694928,0.22512716236484542,0.22541376454594064,0.23539356790722987,0.23673861297516202,0.23910620420799353,0.24137115562919584,0.24470269162116706,0.24511781821606712,0.24677032231258772,0.2492083367949537,0.2503876214286156,0.25051067765258644,0.2506563095265817,0.2508853939727674,0.2517385234205632,0.2537332825955786,0.25462862106486345],"n_dims_used":45,"mean_confidence":0.9213043212890625},"coverage":{"mean_confidence":0.9213043212890625,"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}}