{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":497,"cluster_id":4970000849},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970001911","497:4970000918","497:4970001439","497:4970000496","491:4910005965","497:4970000925","497:4970000702","497:4970001519","497:4970001521","497:4970001930","497:4970001670","497:4970001272","497:4970001677","497:4970001599","497:4970000850","497:4970000911","497:4970001443","497:4970001929","497:4970001931","497:4970001442","497:4970001600","497:4970001008","497:4970000920","497:4970000770","497:4970000851"],"twin_admin_codes":[497,497,497,497,491,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497],"twin_sims":[0.38354478898575506,0.37662229926229307,0.3702125606610849,0.35939458095642374,0.32788662995364026,0.2629252545016186,0.25250701650291474,0.22199605163233307,0.21356172788828226,0.184036238419799,0.17468171721436843,0.17429295751417875,0.17065875220577584,0.16587604791012528,0.1572412459243567,0.15390635605292874,0.1518354507951866,0.14042510469409153,0.13968893992899878,0.13453398702150696,0.13028694328609267,0.12493532451039499,0.1153231486245069,0.11379663488828198,0.10272757183856977],"twin_dists":[0.1797998533193671,0.18150046283423835,0.18308875452686016,0.18580082029119488,0.19395156688920207,0.21228702966556762,0.2154755319630374,0.2253309765963239,0.22821200814828013,0.2389565342065208,0.2426109457618041,0.24276579755084696,0.24422546438504344,0.24618081414672896,0.24981681251477933,0.25126004073259045,0.2521678246358903,0.25734038908384477,0.2576846759538696,0.26013431342031307,0.262206008312425,0.2648904123525374,0.2699401214438758,0.2707714765163961,0.27707282789770005],"n_dims_used":45,"mean_confidence":0.8910445319281683},"coverage":{"mean_confidence":0.8910445319281683,"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}}