{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001972},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004121","490:4900004539","490:4900004141","490:4900001678","490:4900004260","490:4900002729","490:4900004972","490:4900005897","490:4900001835","490:4900002747","490:4900003299","490:4900004123","490:4900002121","490:4900003840","494:4940007901","490:4900001551","494:4940008202","490:4900006014","490:4900006520","490:4900000585","490:4900002748","490:4900003983","494:4940007798","490:4900004419","490:4900006268"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,494,490,490,490,490,490,494,490,490],"twin_sims":[0.5993738373848085,0.5598086946137403,0.5084846442244427,0.4831860484810867,0.4577468636289232,0.4474389781459549,0.3800939532884767,0.3789765481261288,0.3780721637961031,0.3305711686298436,0.3267236643639038,0.2979662846723505,0.2895260008381917,0.2883732806640857,0.2785092103127784,0.2749976734990828,0.27370852994944717,0.263057220493309,0.26082355728343964,0.2441484021886544,0.2399490100934651,0.23700223423429276,0.23468079566236177,0.22529858792083135,0.21745968840957658],"twin_dists":[0.13140702589851494,0.13989841655378057,0.15104802230639156,0.15664322368150002,0.162362739473061,0.1647118931462918,0.18064573040305504,0.1809204241579721,0.18114303811738958,0.19324113139582422,0.19426032852700506,0.20210197393891668,0.20448614692692713,0.2048149509248362,0.20766147919809633,0.20868956190623253,0.20906900314514612,0.21224715603539515,0.21292375604251138,0.21809472986174192,0.2194324559588404,0.2203802599763328,0.22113235898115413,0.22422285408490714,0.22687119796026203],"n_dims_used":45,"mean_confidence":0.9204115973578559},"coverage":{"mean_confidence":0.9204115973578559,"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}}