{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000774},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000854","480:4800000740","480:4800000701","480:4800000589","480:4800000738","480:4800000773","480:4800000704","480:4800000483","480:4800000667","480:4800000778","480:4800000669","480:4800000853","480:4800000815","480:4800000742","480:4800000737","480:4800000552","480:4800000741","480:4800000482","480:4800000518","480:4800000631","480:4800000481","480:4800000591","480:4800000592","480:4800000668","480:4800000775"],"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":[0.6314315371218917,0.4451543978913985,0.43414869054286437,0.4259878976662183,0.39977400571620647,0.30414035605165374,0.29487539556308895,0.28680573303042495,0.28598237820632316,0.28538766970784046,0.2830049257007234,0.28139669581339444,0.2739044600524095,0.25871026080236836,0.2327562101236328,0.2166667365790732,0.19954773686645913,0.19550225729384824,0.1894157925517813,0.18820758710992538,0.18703936856894002,0.18202107754006963,0.16783407792898697,0.1556259304638681,0.15208165576034954],"twin_dists":[0.12453951057979007,0.1652352729845108,0.16777131764290587,0.16966841418239773,0.17586903499371542,0.2003829913702406,0.20297038172358897,0.2052633448187592,0.20549945239298084,0.20567024670873352,0.20635670408748957,0.2068220016784589,0.2090112633208342,0.21356725345620964,0.22175958848745714,0.22714263534679663,0.2331745718084481,0.2346514898857021,0.23691404237298966,0.2373691910725478,0.23781122689777326,0.2397324583445262,0.24537545538319303,0.2505130420961611,0.25205942617235744],"n_dims_used":43,"mean_confidence":0.9245486592137536},"coverage":{"mean_confidence":0.9245486592137536,"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}}