{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004021},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001839","490:4900003061","490:4900001693","490:4900003359","490:4900001840","490:4900001695","490:4900004577","490:4900003209","490:4900003208","490:4900002453","496:4960007898","490:4900004585","490:4900004156","490:4900003218","490:4900003203","490:4900001837","490:4900004442","490:4900001993","490:4900002933","490:4900003199","490:4900004298","490:4900003223","490:4900001559","490:4900003217","496:4960011641"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,496],"twin_sims":[0.6709317928301536,0.5972658862417732,0.547892289433535,0.5107175060425437,0.5021294183692425,0.49517442259435857,0.49427548235868296,0.48830171344786505,0.48068484108621135,0.46569255800949244,0.4655186681570349,0.46446912628455034,0.46358438343713565,0.46192626848424473,0.46051771410831527,0.45844554616974903,0.45212916624516203,0.45206651083327654,0.4429589332987563,0.4398919148412106,0.43905696962250784,0.43206819158150483,0.4228752393124337,0.42260046646567684,0.42068035354571703],"twin_dists":[0.11603074167968831,0.13185847760828692,0.14246900511047522,0.15055793892787517,0.15244602780420363,0.1539815505497901,0.15418046471240643,0.15550503163652885,0.1572010837073955,0.16056495945191304,0.16060418778968336,0.16084106505068688,0.16104089253643789,0.16141575333867472,0.16173456708984937,0.16220421487199363,0.16364055256444485,0.16365483702879488,0.1657392051854616,0.1664448071077987,0.16663722744360637,0.16825357396388319,0.17039592978655907,0.17046025914131044,0.17091028444916892],"n_dims_used":45,"mean_confidence":0.9159459431966146},"coverage":{"mean_confidence":0.9159459431966146,"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}}