{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004232},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003796","499:4990003768","499:4990003774","499:4990003953","499:4990004079","499:4990003495","499:4990003791","499:4990003843","499:4990003942","499:4990003863","499:4990000848","499:4990003032","499:4990003944","499:4990003797","499:4990003833","499:4990003730","499:4990002960","499:4990001497","499:4990004037","499:4990000860","499:4990003600","499:4990000919","499:4990004160","499:4990001355","499:4990003425"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.9141130064476121,0.7666478886350255,0.744832406076023,0.7417318677920212,0.6938409320422334,0.6671497594547787,0.6637862735753135,0.6585019568899588,0.6549780353883454,0.6249750611853206,0.607668920324571,0.6017564357902094,0.5900903905997232,0.5898535381117995,0.5872755034562767,0.5856709551990864,0.5844501637280916,0.584246994411814,0.5823570760008236,0.5800203821339107,0.5781498819093737,0.5748587842431292,0.5746752900289649,0.570721894939416,0.570131852985079],"twin_dists":[0.05504015059847401,0.09467977666201446,0.09969016146320848,0.10039347689099327,0.11104269413117836,0.11684961882301777,0.11757695333714491,0.11871803882543513,0.11947797479370388,0.12592381844379935,0.12963075487923173,0.13089679780739646,0.13339564682148497,0.13344640078998915,0.13399890815277585,0.13434285733125376,0.1346045858756684,0.1346481474631749,0.13505341719211297,0.13555463004670282,0.13595596467597007,0.13666238304026063,0.13670178035598426,0.1375509073021084,0.13767769207049815],"n_dims_used":45,"mean_confidence":0.9350764804416233},"coverage":{"mean_confidence":0.9350764804416233,"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}}