{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009387},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007858","490:4900007962","490:4900009386","490:4900008969","490:4900008414","490:4900009188","490:4900007975","490:4900008067","490:4900009993","490:4900007859","490:4900008749","490:4900009596","490:4900010300","490:4900009077","490:4900008635","490:4900007851","490:4900008737","490:4900009071","490:4900010193","490:4900008629","490:4900010106","490:4900008409","490:4900011135","490:4900008305","490:4900007852"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.755846669808525,0.7556246377909616,0.7318531691189646,0.7084813161217707,0.6589408446889365,0.6396074786848394,0.6366882498893301,0.6191160411298783,0.5933755050942174,0.5903993440036344,0.5895458794191392,0.588616260754698,0.5755242593351436,0.5679024070237081,0.5152617613122288,0.5032127388991232,0.5008118939902905,0.4905541972601342,0.4841646305584819,0.4643617358127373,0.4618560585926951,0.4611613448446781,0.4600861877483258,0.4498384713615019,0.432750593252039],"twin_dists":[0.0971747161209439,0.0972256992159228,0.10262145410735601,0.10782423525672158,0.1186233375164506,0.12278471751983147,0.12341153891902154,0.12717923056645,0.132691798339074,0.1333294442908529,0.133512329085435,0.13371154878628722,0.13651951168893744,0.13815687480648037,0.14956221372526757,0.1522073869029202,0.15273645111780304,0.15500502509000794,0.1564252109448128,0.16086531311791324,0.16143163657718307,0.1615888442396046,0.16183230840511972,0.1641632746956823,0.16809529151039476],"n_dims_used":45,"mean_confidence":0.9214452107747396},"coverage":{"mean_confidence":0.9214452107747396,"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}}