{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000905},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001415","489:4890000970","489:4890000846","489:4890000906","489:4890001560","489:4890001029","470:4700006981","470:4700006737","489:4890000908","489:4890003937","489:4890001561","470:4700006865","489:4890001023","470:4700006604","489:4890001031","489:4890003997","489:4890004121","489:4890001574","489:4890003877","489:4890000971","489:4890003739","489:4890001089","489:4890001575","489:4890004840","489:4890004225"],"twin_admin_codes":[489,489,489,489,489,489,470,470,489,489,489,470,489,470,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.7285764394154057,0.7097082886438763,0.674206544173813,0.6599479499422012,0.6493575779112362,0.6448577836688838,0.617867086516619,0.6167040706322732,0.6103395113914752,0.6082401444024339,0.6020853596810457,0.5964995152841589,0.595794851454577,0.5919572922237344,0.5837403631001229,0.577285532683834,0.5410636817320581,0.5410160339833913,0.5409461980327216,0.5402644124748524,0.5320671733333051,0.5266644266549433,0.5253690200611107,0.49688765367392956,0.4967234527531926],"twin_dists":[0.10335638736117812,0.10755321103383045,0.1153207592539122,0.11840598114131144,0.12068851793043624,0.1216564869690965,0.1274467700984104,0.12769588187934755,0.12905889922884975,0.1295084397946906,0.13082636231734218,0.1320226195296674,0.13217355096550162,0.13299563347937407,0.13475677903485825,0.1361414574131713,0.14394620457739007,0.14395652375369744,0.14397164858265588,0.14411932650918594,0.14589773328577982,0.14707294476953703,0.14735511115034078,0.15360274087740936,0.1536390308447559],"n_dims_used":45,"mean_confidence":0.9156031290690104},"coverage":{"mean_confidence":0.9156031290690104,"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}}