{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004886},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006556","490:4900006318","490:4900008444","490:4900004907","490:4900007767","490:4900008994","490:4900003787","490:4900004483","490:4900004344","490:4900005184","490:4900006219","490:4900004620","490:4900009932","494:4940005562","490:4900011883","490:4900008221","490:4900005183","490:4900004758","490:4900008211","491:4910005290","490:4900006072","490:4900004906","490:4900005449","490:4900007792","490:4900002233"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,491,490,490,490,490,490],"twin_sims":[0.0026853725931060674,0.0022460220493953566,0.0006808515397675985,0.000561219172938724,0.00026828228524745034,0.00026219631153732715,0.00004089126929016031,0.000022181613094316363,0.000013968620567367463,0.000013406162230509786,0.000010382651000329718,0.000009514568470903521,0.000008481011790041005,0.000006125013773672152,0.000005863934595382165,0.00000482103245549347,0.0000032502460961790727,0.0000025994562574786662,0.000002412794952276139,0.0000015403534676349615,0.0000013510506500247088,0.0000012532494171901383,0.0000012224218789924144,0.0000011662959606963957,0.0000010670698974020926],"twin_dists":[0.4468866100003545,0.4535798223698225,0.49598338183512775,0.5025118675538626,0.5267037640807374,0.5274380917401729,0.5838459578069457,0.601257073287439,0.6140934128296657,0.615221247457292,0.6221889221083188,0.6245514452171691,0.6276494375233806,0.6363354096484526,0.6374890167561763,0.6426496842723912,0.6529156125645831,0.6586623584854814,0.6605678606901311,0.6719294459438891,0.6752131505259004,0.6770876786508264,0.6777078365000059,0.6788766343095859,0.6810822700360878],"n_dims_used":45,"mean_confidence":0.8931930541992188},"coverage":{"mean_confidence":0.8931930541992188,"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}}