{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001273","487:4870001365","487:4870002194","487:4870001281","487:4870002359","487:4870001366","487:4870001463","487:4870001556","487:4870001718","487:4870003238","487:4870001754","487:4870003211","487:4870001367","487:4870000344","487:4870002826","487:4870001369","487:4870001363","487:4870000740","494:4940008559","487:4870001741","487:4870002106","487:4870001554","487:4870000890","487:4870001008","487:4870002827"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,494,487,487,487,487,487,487],"twin_sims":[0.26735602646814116,0.2505632385657748,0.24961357503566886,0.17913823967206152,0.1469587542775963,0.14204910324600523,0.12142488559665078,0.1127326642642838,0.11249620854054544,0.11152432015211382,0.10874771748031345,0.10630016993707696,0.10513734162287725,0.1006149806349569,0.09939098842495771,0.0929535851570939,0.08793936725948721,0.08689421334093023,0.08641560148958853,0.07105719026541217,0.06610416087742388,0.06538647040204329,0.06320867425732248,0.06152435314814827,0.06036972232682886],"twin_dists":[0.21095503628210147,0.21607960793316433,0.2163758270279821,0.24085310212317929,0.2543420865700163,0.2565856119820575,0.26669905001489363,0.2713560171424216,0.2714865018912232,0.2720250570610077,0.27358390430923807,0.27498378868437184,0.27565765961547284,0.27833494181415686,0.2790756950377281,0.28309391152094837,0.28637885233711935,0.2870821907512552,0.287406521091829,0.2986701098765851,0.3027231152809353,0.303330750786264,0.30520856757475073,0.30669756075268745,0.30773773253508113],"n_dims_used":43,"mean_confidence":0.9119700941928598},"coverage":{"mean_confidence":0.9119700941928598,"n_dims_used":43,"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}}