{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002150},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001480","480:4800001236","480:4800001820","480:4800001867","480:4800001530","480:4800001312","480:4800001925","480:4800002458","480:4800001486","480:4800001483","480:4800001814","480:4800002369","480:4800001414","480:4800002473","480:4800002504","480:4800001356","480:4800001364","480:4800001473","480:4800001585","480:4800001365","480:4800001871","480:4800001427","480:4800001237","480:4800001812","480:4800001297"],"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":[0.704406091380782,0.5922232736461254,0.5743679685312592,0.5282237906062265,0.5131573090117832,0.4992914368885044,0.4967991002276198,0.4915519086242634,0.47899695465296005,0.4783996659779402,0.4635247729322239,0.4601730755370484,0.45871581463661937,0.45756361165370885,0.4552175585449072,0.44003470506572046,0.4256840954650931,0.4207729722513544,0.41953655748957647,0.4180667816039503,0.4104651634626398,0.41015666931722883,0.4077496368419786,0.40440984565100274,0.40128124471643706],"twin_dists":[0.10872290566976041,0.13293864766743288,0.13676776688497005,0.1467334854376046,0.15002306075451838,0.15307187039356393,0.1536223116073778,0.15478377236310203,0.15757806356199067,0.15771156638315748,0.1610543609142115,0.16181262558069878,0.1621429167368004,0.16240433205989088,0.16293734788320544,0.16641191419175833,0.16973932369708228,0.17088855714846987,0.17117877310812932,0.17152423721193072,0.17331936137652235,0.1733925161792245,0.17396414182201642,0.1747597631341937,0.17550774595292046],"n_dims_used":43,"mean_confidence":0.9138019473053688},"coverage":{"mean_confidence":0.9138019473053688,"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}}