{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001193},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001450","490:4900001882","490:4900001167","490:4900002341","490:4900002180","490:4900002188","490:4900001740","490:4900003893","490:4900004184","490:4900000953","490:4900003081","490:4900002499","490:4900004034","490:4900001319","490:4900003227","490:4900000176","490:4900003898","490:4900002203","490:4900003890","490:4900002483","490:4900002176","490:4900004036","490:4900001321","490:4900002195","490:4900004171"],"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":[0.9564303893572484,0.7033125012611763,0.6972659986837039,0.6799260095819786,0.6710082212309779,0.657398883298299,0.6498951426325097,0.63652854605937,0.6256385807792073,0.6136281130952431,0.6095190752129318,0.5802333586642505,0.562036032915271,0.5522756343214406,0.5454741896354908,0.5185124987125802,0.5112900119048657,0.505166416665077,0.5042383395486519,0.5030052307738562,0.49229354568519057,0.48637614315331673,0.4767649214595081,0.46554349824441976,0.4626665311207498],"twin_dists":[0.03876585678733189,0.10896368257567475,0.11029216551923086,0.11407849921408213,0.11601418179600155,0.11895600068877893,0.1205728116010973,0.12344582158419416,0.12578160333287622,0.12835466253182484,0.12923458218018874,0.13550894066260435,0.13941883338723596,0.1415224380415756,0.14299172675394023,0.14885125093182713,0.1504323703246304,0.15177737003218683,0.15198158963485464,0.1522530872825901,0.15461939290125556,0.15593302284571398,0.15807723110685648,0.16059858598496352,0.16124833907336544],"n_dims_used":45,"mean_confidence":0.9166492038302951},"coverage":{"mean_confidence":0.9166492038302951,"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}}