{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000078},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000120","490:4900000098","490:4900000095","490:4900000031","490:4900000165","490:4900000434","490:4900000166","490:4900000425","490:4900000620","490:4900000349","490:4900000518","496:4960006370","490:4900000249","490:4900000191","490:4900000355","490:4900000431","490:4900001091","490:4900000185","490:4900000160","490:4900000291","490:4900000436","490:4900004321","490:4900000045","490:4900000731","490:4900000181"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8331167821182156,0.7748428473977373,0.7547265562112824,0.7247711554552289,0.6928835171257982,0.6643495751248427,0.6507642313770221,0.6320911793788825,0.5884148920893226,0.5646511545514438,0.5600640962937516,0.5583487982130859,0.5409191681451562,0.5096047762405004,0.5092339460708112,0.4939753983581593,0.48324602621921997,0.46913335904402065,0.45917477981314353,0.45225859837875076,0.44591532319195515,0.4419544460294221,0.4394719751449359,0.4359976849204634,0.4291605023747688],"twin_dists":[0.0784814778132488,0.09276621941043038,0.09743179753330944,0.10420747543699595,0.11125224438691102,0.11745520056011788,0.12038571495623678,0.12439801503383852,0.13375470492964892,0.1388560737315306,0.13984341115217874,0.14021289894762778,0.14397750271993126,0.15080209894275295,0.1508834986311867,0.15424688954053495,0.15662985762311404,0.1597897709552098,0.1620388509554857,0.1636110463603947,0.16506083756757625,0.16597008922124934,0.16654156793108352,0.1673435006999092,0.16892914887651897],"n_dims_used":45,"mean_confidence":0.9166366577148437},"coverage":{"mean_confidence":0.9166366577148437,"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}}