{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008658},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010566","490:4900010225","490:4900010565","490:4900008780","490:4900008779","490:4900008109","490:4900008660","490:4900008439","491:4910005568","490:4900011690","491:4910005663","490:4900011217","490:4900008894","490:4900008890","490:4900009929","490:4900012162","491:4910005662","490:4900008438","490:4900011577","490:4900008228","490:4900008659","490:4900010663","490:4900007773","490:4900008004","490:4900010483"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,491,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.40514946307117383,0.2976522822233778,0.29123053519686737,0.24940312589980307,0.24489236340403675,0.182279087712021,0.1716880646190173,0.14058088109916084,0.1253863150547861,0.12460426256830251,0.12256076935489575,0.10950454472191275,0.10933192806563269,0.09730655974114111,0.08286395783087717,0.06616385641743358,0.06211471807999424,0.05926107352375133,0.05875508125305972,0.056715484161639476,0.055001279203700716,0.05279839400008393,0.05038272470456643,0.04780767876381785,0.04754511092557694],"twin_dists":[0.17458331619830111,0.2021899526232109,0.20400137016359837,0.21644156784070587,0.21785929402980025,0.23963277589939908,0.24380980393777785,0.2572677086989894,0.26466086664608823,0.26505931757172535,0.2661095155222019,0.2731559802844919,0.2732533788672805,0.28035380045388364,0.2898590865280528,0.302672816755147,0.3061718972515888,0.3087519831535804,0.3092200888421141,0.3111413268452686,0.3128006918981222,0.3149971491253228,0.31749501519157325,0.3202700121543218,0.3205599294408057],"n_dims_used":45,"mean_confidence":0.8866424560546875},"coverage":{"mean_confidence":0.8866424560546875,"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}}