{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":488,"cluster_id":4880000245},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["488:4880000489","488:4880000638","488:4880000364","488:4880000146","488:4880000024","488:4880000148","488:4880001050","488:4880000076","488:4880000967","488:4880000354","488:4880000500","488:4880000717","488:4880000880","488:4880000428","488:4880000301","488:4880000356","488:4880000417","488:4880000969","488:4880000249","488:4880000490","488:4880000365","488:4880001140","488:4880000966","488:4880001131","488:4880001062"],"twin_admin_codes":[488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488],"twin_sims":[0.9416947712256974,0.9267234021835811,0.919427333222847,0.8945704595248712,0.8850882254470149,0.8815144283585844,0.877784552415292,0.8711323980502851,0.8662120797484941,0.8661642297673379,0.8558112194969091,0.8474742344357183,0.833193364224036,0.8311857218832516,0.8310317292741486,0.8120094606572462,0.805895273916597,0.8047384590655782,0.8003522288678202,0.7944669768674566,0.7800319500426678,0.7796643781212361,0.7768674096659257,0.758585799693673,0.7556492537994731],"twin_dists":[0.04501760689683477,0.05066774364839341,0.053234051000831235,0.061306153449679504,0.06417112721164685,0.06522593871976737,0.0663133841400817,0.06822090770818867,0.0696072742785237,0.06962065935451513,0.07247542521785255,0.07471900420143668,0.07846172010120146,0.07897864316221588,0.0790182045303749,0.08381550189448302,0.0853229870961631,0.08560649022635897,0.08667667255169413,0.08810121949252475,0.09154454512527863,0.0916313495071997,0.0922905299726298,0.0965447785032115,0.09722004745620652],"n_dims_used":45,"mean_confidence":0.9256872389051649},"coverage":{"mean_confidence":0.9256872389051649,"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}}