{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001618","489:4890001622","489:4890001616","489:4890001615","489:4890001315","489:4890001626","489:4890001380","489:4890001529","489:4890001313","489:4890001452","489:4890001531","489:4890001533","489:4890001619","489:4890001530","481:4810005579","489:4890000609","481:4810005515","489:4890000271","489:4890000311","477:4770000287","489:4890000437","489:4890000694","489:4890001376","477:4770000208","477:4770000034"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,481,489,481,489,489,477,489,489,489,477,477],"twin_sims":[0.8653585066806074,0.8171830421050502,0.7771224365392716,0.7391192959501962,0.7041728281502894,0.703267980653061,0.6392039316520274,0.6336076266847277,0.6325903494201148,0.6112720152023668,0.5955738282411218,0.5947996773554337,0.5870203008943082,0.5816254422603794,0.5792873660639046,0.5786129711654644,0.5180422457812289,0.517823819095799,0.5090622641808759,0.5089408539471538,0.4982807401787292,0.49652643392435586,0.4919719282128766,0.48836542713513964,0.48404728750518106],"twin_dists":[0.0698457697975261,0.08252747909373018,0.0922305233018835,0.10098456585302532,0.10877427680386241,0.10897348137558971,0.12287138731943696,0.12407268087234277,0.12429093251987676,0.12885921516052376,0.13222089301707535,0.13238671716608627,0.1340536091597343,0.13521033318509576,0.13571189295323863,0.13585659392780547,0.14895403234456958,0.14900178064492015,0.1509211891455725,0.15094784516566756,0.15329499248219317,0.15368257840208527,0.15469066852638247,0.15549087894082472,0.1564513458917318],"n_dims_used":45,"mean_confidence":0.9195014953613281},"coverage":{"mean_confidence":0.9195014953613281,"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}}