{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012630},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012417","490:4900012489","490:4900012683","490:4900012547","490:4900012943","490:4900013138","490:4900012559","490:4900012955","490:4900012901","490:4900012684","490:4900012957","490:4900013069","490:4900012818","490:4900013210","490:4900012476","490:4900012941","490:4900013178","490:4900012332","490:4900012340","490:4900012898","487:4870000836","490:4900012405","490:4900012890","490:4900012474","490:4900012837"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490],"twin_sims":[0.5149539687396574,0.3337107765603621,0.2945318960462365,0.27879624489955734,0.26466174079175225,0.24347199918848086,0.2364379608944193,0.234234255996313,0.2239454436040339,0.20103835890493166,0.19564051947509015,0.19316776051405696,0.17646032760543148,0.1716811256516117,0.1713125317525909,0.15005395995152948,0.14995473678361154,0.14710589038827235,0.13889238519849464,0.13691296695697575,0.13273236729438612,0.12325201025492596,0.12035650669693301,0.11986569641581261,0.11985343992543827],"twin_dists":[0.14962958704817572,0.19241426665814013,0.20306722112669906,0.20757779369392415,0.21176334594128413,0.21830918822082238,0.22056262852899314,0.2212775864617734,0.22467556682991421,0.2326355921257076,0.23460066580700278,0.2355134257009728,0.24190560208898995,0.2438126000690426,0.24396124544178296,0.2529560502500704,0.25300015384778707,0.25427571339021937,0.25805873382787675,0.25899524752203895,0.26100703871853015,0.26575278966844423,0.26725740076082577,0.2675151750903805,0.2675216225325596],"n_dims_used":45,"mean_confidence":0.9018885294596354},"coverage":{"mean_confidence":0.9018885294596354,"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}}