{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005897},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001972","490:4900002729","490:4900005900","490:4900003299","490:4900004972","490:4900006387","490:4900004141","490:4900006014","490:4900004682","490:4900004539","490:4900003840","490:4900006028","490:4900006754","490:4900004961","490:4900002747","490:4900004121","490:4900003308","490:4900003983","494:4940008480","490:4900001678","490:4900001017","490:4900006520","490:4900004970","490:4900006268","466:4660003933"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,466],"twin_sims":[0.3789765481261288,0.34950229292963864,0.3459268066978627,0.30582888669562436,0.2985053784070071,0.2822874804609188,0.2752297499926188,0.267776184856274,0.26424591474301357,0.25904756694569686,0.25282456440253515,0.24773706926101016,0.24624771810090787,0.23607828827650582,0.23170151990629104,0.22626880531952318,0.22475043987316207,0.22044931301267431,0.21842318575233824,0.21689815515821417,0.21505866871826107,0.2102923440119963,0.20341578632794965,0.1996011147633182,0.19653642300714455],"twin_dists":[0.1809204241579721,0.188317572782061,0.18923635961553217,0.19991641272312344,0.20195105494428853,0.20656407926997417,0.20862136936571316,0.21082944221511998,0.21188855347282867,0.21346432265977688,0.2153771281865072,0.21696327456345768,0.21743155701518085,0.22067902019828078,0.22210476154335632,0.22389936594952095,0.2244060259277262,0.22585374862751378,0.226542274624662,0.22706334889403132,0.22769515777860114,0.22934941659755034,0.23178162263909974,0.23315522358495477,0.23427194077883173],"n_dims_used":45,"mean_confidence":0.914609612358941},"coverage":{"mean_confidence":0.914609612358941,"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}}