{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000340},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000089","490:4900000602","490:4900000502","490:4900000132","490:4900000153","490:4900000218","490:4900000065","490:4900000278","490:4900000070","490:4900000217","490:4900000599","490:4900000139","490:4900000131","490:4900000140","490:4900000110","490:4900000200","490:4900000683","490:4900000248","490:4900000205","490:4900000160","490:4900002357","490:4900000402","490:4900000137","490:4900000152","490:4900000068"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6107812699069474,0.5790283454066887,0.5077443506763378,0.42719864804909574,0.41581919828472685,0.3840714884097792,0.3799808939638287,0.34324713686995695,0.33595679576619053,0.3275725301028693,0.3216213039034243,0.31861235884291017,0.30172076661785435,0.2893837283680623,0.27281806291847827,0.2641022696844316,0.2618858460135074,0.2582179704767358,0.23762292650393396,0.22981872532022266,0.22136693986370992,0.21917575157502453,0.20037508543233634,0.19379033403054638,0.18692495678725896],"twin_dists":[0.1289643026892592,0.1357674678067617,0.15121063011648656,0.1693860242834802,0.17205352614724073,0.1796710690988589,0.18067350620640896,0.1899282455788159,0.19182533977475472,0.19403489916320976,0.19562223670153453,0.19643103745850854,0.20105420532228035,0.2045266866502738,0.20933174070723826,0.211931834376616,0.21260152663430104,0.21371763042832184,0.2201799843003831,0.22272353243252793,0.22554331124915508,0.22628603707517966,0.23287507758699805,0.23528285626326614,0.2378546225579145],"n_dims_used":45,"mean_confidence":0.914013163248698},"coverage":{"mean_confidence":0.914013163248698,"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}}