{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007272},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007148","490:4900005910","490:4900007266","490:4900007149","490:4900007269","490:4900006291","490:4900007393","490:4900005118","490:4900007147","490:4900007265","490:4900006182","490:4900007023","490:4900007506","490:4900005277","490:4900008202","490:4900006174","490:4900002493","490:4900002925","493:4930007145","490:4900006165","490:4900007268","490:4900002952","493:4930007148","490:4900004709","493:4930005014"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,493,490,490,490,493,490,493],"twin_sims":[0.8934779388151765,0.8777009277009672,0.7441077576876117,0.5930178095527515,0.5591476835463797,0.5083655892063674,0.495428155185549,0.4554881874591656,0.44855411984731797,0.44803202096067113,0.4359492279497214,0.43562636718509795,0.4096178768925066,0.40718365397907064,0.3998129228134781,0.39943841197415764,0.39633518461494327,0.3939929050560581,0.3917102735418047,0.38736833256769015,0.3846769803795385,0.37922442260808115,0.3771244165019481,0.36511849154713144,0.3599267476418522],"twin_dists":[0.061641456924138006,0.06633761308876765,0.09985471878632662,0.13276842732416555,0.1400407934680404,0.15107416893946513,0.15392542443671545,0.16287581104272783,0.16445679060232757,0.16457619739607107,0.16735470334348512,0.16742935735347697,0.17352034076738773,0.17409876853065287,0.17585969869820262,0.17594956181343704,0.17669565994357395,0.17726058480371593,0.17781262194959485,0.17886685516533155,0.17952312331568704,0.18085945491912592,0.1813766037326529,0.18436078889681118,0.18566644730853177],"n_dims_used":45,"mean_confidence":0.9141883002387152},"coverage":{"mean_confidence":0.9141883002387152,"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}}