{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000951},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000830","490:4900000948","490:4900000238","490:4900000511","490:4900000832","496:4960009662","490:4900000074","490:4900000424","490:4900000188","490:4900000161","490:4900000422","490:4900000044","490:4900001432","490:4900000952","490:4900000186","494:4940008437","490:4900000625","490:4900000823","490:4900000246","490:4900000195","490:4900000597","494:4940004967","490:4900000703","494:4940006364","494:4940003994"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,494,490,494,494],"twin_sims":[0.6029056099897788,0.5313031071164775,0.5275516024021768,0.5171070733211535,0.438102233372347,0.43610629335018103,0.4278136395758957,0.4189102876651545,0.4165870194992686,0.4121330477976564,0.38421860334120383,0.3739043931629752,0.37307666528530714,0.368944325538983,0.3485041073059483,0.3305232050860669,0.3277523976774115,0.3188408903908203,0.3130785474702451,0.31164388881661376,0.3088106323575605,0.2951171753033008,0.2938507047764527,0.28742218586114043,0.28102249945621],"twin_dists":[0.13065071693543784,0.14606377936787607,0.14687978782357797,0.14915849607571977,0.1668574308136913,0.16731839359207443,0.16924271288845993,0.17132591190465615,0.17187257244823312,0.17292426353067236,0.17963511283814163,0.18217230476625135,0.18237738750965754,0.18340462216155173,0.18857357512986014,0.19325379658519098,0.19398717399664164,0.1963694583358575,0.19792984094608157,0.19832086176455258,0.19909610900235788,0.2029022591111894,0.20325946025486202,0.20508683504045755,0.2069304958829919],"n_dims_used":45,"mean_confidence":0.912744140625},"coverage":{"mean_confidence":0.912744140625,"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}}