{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002990},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002767","480:4800002957","480:4800002710","480:4800002766","480:4800002772","480:4800003577","480:4800003706","480:4800002760","480:4800005004","480:4800003161","480:4800005091","480:4800002903","480:4800002762","480:4800004574","480:4800005182","492:4920003640","665:6650003584","492:4920003506","480:4800003925","480:4800004003","480:4800004240","483:4830000353","492:4920002655","665:6650001251","495:4950001807"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,492,665,492,480,480,480,483,492,665,495],"twin_sims":[0.3510190826275837,0.24775734185888432,0.22094595277025159,0.21333502345154984,0.17966013609186632,0.15053895883953958,0.13032665865447093,0.09225251128580499,0.07317650173862597,0.0716071686487049,0.07109415812608842,0.04704865424422422,0.03325274725432399,0.03214107502806566,0.028979138416504235,0.027148075164225002,0.026051879502697956,0.025825868373851903,0.025537168670642,0.025379929941496834,0.021092989510321677,0.02101284741395617,0.020975632961600505,0.020753698736328357,0.01821250399391579],"twin_dists":[0.1879292977677314,0.21695691293246952,0.22568562604516515,0.22829049587129396,0.2406492837195572,0.25274078207723916,0.262186401237577,0.2835446370371207,0.2970057124437834,0.29823436214670634,0.29864073469033936,0.32111177509883426,0.33885136768011015,0.34053974572088025,0.34563108006004784,0.3488018256650674,0.35078930070300235,0.3512080206849087,0.35174750652391934,0.3520435538852936,0.3607993922704772,0.3609773118492549,0.3610601307674182,0.36155670771331877,0.3675997226057677],"n_dims_used":43,"mean_confidence":0.9132563568824945},"coverage":{"mean_confidence":0.9132563568824945,"n_dims_used":43,"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}}