{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000970},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001089","480:4800000334","480:4800000874","480:4800001006","480:4800000656","480:4800000622","480:4800001045","480:4800000712","480:4800001086","480:4800000695","480:4800001135","480:4800001208","480:4800001002","480:4800000838","480:4800000541","480:4800000542","480:4800001194","480:4800000546","480:4800000690","480:4800000447","480:4800000345","480:4800000544","480:4800000795","480:4800001083","480:4800000654"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5052244642211604,0.48545870375036176,0.4217521147896978,0.3786355827959077,0.35468068860701885,0.33849005389460307,0.31992385984985217,0.3148893681838423,0.3040640921250849,0.29526089713608156,0.2921306090892268,0.2832078545048861,0.270245017272857,0.26798544623354,0.2624016742903905,0.259646903597248,0.25845540747140355,0.25727628272484165,0.2535668486914944,0.25327040658480177,0.24138485794728298,0.2404956083000155,0.23453770786522954,0.2296684823190266,0.2270812754923847],"twin_dists":[0.15176460025095384,0.15613712167412305,0.1706589846860804,0.1810043223758021,0.18699557281993415,0.1911636488890255,0.1960779829639562,0.19743774949541357,0.2004041001695168,0.2028617804010857,0.20374606626024774,0.20629810581419408,0.2100939129975308,0.21076693526539522,0.2124453533956606,0.2132816398533203,0.2136450794302145,0.21400578680358476,0.2151474107188455,0.21523910039571156,0.21897336931502295,0.21925748133536657,0.22117887549874293,0.22277305283263238,0.22362918101198248],"n_dims_used":43,"mean_confidence":0.9150497081667878},"coverage":{"mean_confidence":0.9150497081667878,"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}}