{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010786},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010702","490:4900011115","490:4900010949","490:4900011864","490:4900011529","490:4900011730","490:4900011595","490:4900011526","490:4900011799","490:4900011269","490:4900010867","490:4900011729","490:4900011112","490:4900011461","490:4900011118","490:4900004661","490:4900011530","490:4900011789","490:4900009062","490:4900011186","490:4900011920","490:4900011034","490:4900011035","490:4900011601","490:4900011113"],"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":[0.5698667313896508,0.4247657091651241,0.4215805725851036,0.4125849957323815,0.40781110375462226,0.4044524744379967,0.3815451320859545,0.37938212344496297,0.33526242161928155,0.3312605820115985,0.3266902201855926,0.3169081522293947,0.3168503444516492,0.311994769616701,0.3014945843610208,0.29688708200389724,0.2941135665806364,0.28937465292009557,0.28681859199592113,0.27110340428882745,0.27000232497840965,0.2698295665130594,0.2630869103474042,0.26030292628341145,0.2562894021914979],"twin_dists":[0.13773466454235853,0.16995380912706898,0.17069918870206546,0.17281732381741477,0.17394952606607827,0.17474958947342226,0.1802895659632967,0.18082067557574724,0.19200718220611454,0.19305919697431514,0.19426921676767683,0.1968910324289844,0.19690666019849212,0.19822513337842265,0.2011171099737427,0.20240457865036904,0.20318524677631294,0.20452927305054416,0.2052596605724653,0.20983915123690053,0.21016603255636324,0.2102173946728772,0.21223818694671406,0.21308198255580238,0.21430848808126743],"n_dims_used":45,"mean_confidence":0.919295162624783},"coverage":{"mean_confidence":0.919295162624783,"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}}