{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001642},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001935","480:4800001932","480:4800002039","480:4800001485","480:4800001988","480:4800001478","480:4800001245","480:4800001472","480:4800001471","480:4800001315","480:4800001360","480:4800001428","480:4800002198","480:4800001422","480:4800001762","480:4800001239","480:4800001537","480:4800001936","480:4800002089","480:4800001425","480:4800001240","480:4800001643","480:4800001759","480:4800002197","480:4800001230"],"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":[0.6088164435129112,0.39288131951333166,0.34370126611998036,0.3251766685735754,0.28305615220073327,0.26841925027764985,0.25999306787582266,0.25248780512194763,0.19906344927401676,0.19335033591010595,0.1712151892921266,0.1627417996967164,0.14488383246395473,0.13939908394024716,0.12048573628323579,0.10388384448308284,0.10210215552343523,0.08923015947710633,0.0865891486215325,0.07970718516130944,0.07847232246328767,0.07681065220440776,0.07628900064554478,0.06686287291105485,0.06155051584704266],"twin_dists":[0.12938503734379564,0.17752922710709218,0.18981078886065333,0.19467199205627278,0.2063419093908277,0.21063745316103147,0.21317624696731688,0.21548148783542773,0.2333502779637952,0.23544575559330921,0.24400053964422302,0.24748437284253688,0.25528336252474815,0.25782060610425395,0.2671896627684391,0.27639060039219315,0.27744433768367566,0.2855193165267148,0.2872887524633804,0.2921105339555789,0.29301073409295697,0.2942402142936951,0.2946306015537383,0.3020865738903174,0.3066741779217796],"n_dims_used":43,"mean_confidence":0.9125415890715843},"coverage":{"mean_confidence":0.9125415890715843,"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}}