{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000481},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000585","490:4900000332","490:4900000611","490:4900000579","496:4960008367","490:4900000590","490:4900000104","494:4940008446","496:4960007909","496:4960008386","496:4960008271","487:4870006882","496:4960004823","496:4960006623","496:4960009376","490:4900000578","490:4900000484","494:4940007403","490:4900000510","496:4960008861","490:4900000580","490:4900000558","490:4900000945","490:4900003740","494:4940008325"],"twin_admin_codes":[490,490,490,490,496,490,490,494,496,496,496,487,496,496,496,490,490,494,490,496,490,490,490,490,494],"twin_sims":[0.4839858474445019,0.4739408248138911,0.4601368702977934,0.42249214228152976,0.4193693202391406,0.40776728793010897,0.381935572929589,0.3761028665158955,0.37478010061601624,0.34595690983552563,0.32793374011975046,0.3102222447159901,0.29237843591561363,0.2794498203119191,0.27762807963970304,0.2741646770735333,0.2736229754703702,0.26999352939038207,0.2647701925192351,0.26345098494847446,0.260544841105036,0.25773028833614603,0.2544829029499265,0.24967232196680245,0.24855237001353275],"twin_dists":[0.15646503076576693,0.15870989765124216,0.16182082704848924,0.17048562463724204,0.17121805548313826,0.17395994460241027,0.1801938510507214,0.1816286780417479,0.18195557719994554,0.18922860320729482,0.19393907212343348,0.19870935088855857,0.20367585279635722,0.20738743785328165,0.2079187032180024,0.2089346175809423,0.20909422367186536,0.21016864704593874,0.2117307107087696,0.21212825410119396,0.21300843679986153,0.21386677815994734,0.21486450441856844,0.2163574817944071,0.21670769240395735],"n_dims_used":45,"mean_confidence":0.9108898586697048},"coverage":{"mean_confidence":0.9108898586697048,"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}}