{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001048},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000790","490:4900001591","490:4900000926","490:4900003740","494:4940008317","490:4900000696","496:4960008364","490:4900000672","490:4900002929","490:4900000077","496:4960008367","487:4870003960","496:4960008274","490:4900000481","490:4900000590","490:4900001018","487:4870006882","490:4900001454","496:4960007784","490:4900000680","496:4960008273","490:4900001017","494:4940004409","490:4900000122","490:4900001188"],"twin_admin_codes":[490,490,490,490,494,490,496,490,490,490,496,487,496,490,490,490,487,490,496,490,496,490,494,490,490],"twin_sims":[0.4520340632362853,0.3548936249832661,0.3367225064747774,0.33230385729067424,0.3318549659619384,0.33183840222400474,0.3133911386683717,0.30626110607177487,0.30036657872873557,0.27524038785202576,0.2539390039772281,0.24736632707850734,0.24518815083444684,0.24327760803823012,0.23997373333505576,0.23798211416023404,0.23630089931006723,0.22787527262439203,0.22625256461416068,0.221193421900317,0.21684235462589083,0.21652322661424847,0.21314525128568265,0.21020191246479422,0.2061428027822627],"twin_dists":[0.1636622348668605,0.18694142746187414,0.19162505158487758,0.1927842729454836,0.1929025069138869,0.1929068713262363,0.19784477877496273,0.19979722054737198,0.2014312368479167,0.2086182444188927,0.21503239932291532,0.21707967407458043,0.21776581652525373,0.21837089248881872,0.21942453607625553,0.22006424281517112,0.2206069686183459,0.22336575750176266,0.2239047733106454,0.22560194710073453,0.22708246153626221,0.22719183201444237,0.22835624059717877,0.22938104738480294,0.23081046972561994],"n_dims_used":45,"mean_confidence":0.9144351535373264},"coverage":{"mean_confidence":0.9144351535373264,"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}}