{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":488,"cluster_id":4880001630},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["488:4880002128","488:4880005671","466:4660000588","488:4880001963","488:4880001180","496:4960000898","488:4880001794","488:4880002460","496:4960007879","488:4880001098","488:4880001962","496:4960002855","496:4960007869","496:4960004457","488:4880004721","496:4960007881","496:4960008743","488:4880001041","488:4880002406","488:4880001440","496:4960008537","488:4880000678","488:4880001107","488:4880004082","488:4880004905"],"twin_admin_codes":[488,488,466,488,488,496,488,488,496,488,488,496,496,496,488,496,496,488,488,488,496,488,488,488,488],"twin_sims":[0.8155145416598322,0.6254219566585825,0.5269014776327255,0.5232983186184895,0.5140998149552902,0.5106351153106713,0.5056033178233119,0.5025440471948982,0.502463307952427,0.4949774715698893,0.4899346792661786,0.4793844089650842,0.47574213668683046,0.4709876222726487,0.4697818720711339,0.4611576018353702,0.4589093592610884,0.457863316785471,0.433152917332425,0.4222249152353698,0.4219032498710546,0.41763670697296995,0.41119474019162167,0.40484930061637386,0.40083140974804216],"twin_dists":[0.08294416118928365,0.12582803442542126,0.1470213267700202,0.14780647643600747,0.14981660658706822,0.15057601277539473,0.15168126653870562,0.15235467406989578,0.15237246144998917,0.1540251221977044,0.15514247697740435,0.15749149037450066,0.1583062177474083,0.15937282102628653,0.15964388301131302,0.16158969147667845,0.16209902787795138,0.16233631128923243,0.1680020199584012,0.1705482109513777,0.1706235691506612,0.1716254221243505,0.17314644891545086,0.17465490711867823,0.17561550803683695],"n_dims_used":45,"mean_confidence":0.9281673855251736},"coverage":{"mean_confidence":0.9281673855251736,"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}}