{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000435},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000491","500:5000000330","475:4750002741","500:5000000380","485:4850006656","475:4750002824","485:4850006732","485:4850007240","485:4850007957","485:4850006883","500:5000000378","500:5000000279","500:5000000597","500:5000000370","500:5000000187","500:5000000276","485:4850008081","485:4850006804","500:5000000324","485:4850007173","500:5000000369","500:5000000545","500:5000000490","500:5000000376","500:5000000379"],"twin_admin_codes":[500,500,475,500,485,475,485,485,485,485,500,500,500,500,500,500,485,485,500,485,500,500,500,500,500],"twin_sims":[0.7636380109337462,0.7271936714967894,0.6768972277703929,0.6625269284147994,0.6469492312741149,0.6194808248209088,0.6132950166567177,0.6059142689108611,0.5900021990893599,0.5881101918752476,0.5854605730355207,0.5765865981638572,0.5741860259302527,0.5690353133130323,0.5596822581013099,0.5557381941765819,0.555603381710104,0.549968322847591,0.5475247354412768,0.5443715699015885,0.5410089245223654,0.5401044856474897,0.539856099441139,0.5365584071796416,0.5365046687494596],"twin_dists":[0.09537800722612053,0.1036659489772719,0.11473671489289665,0.11784906805734709,0.12120671156420289,0.12710108571142206,0.12842599676878577,0.13000647315543556,0.13341454482679663,0.13382000808908356,0.13438795908827414,0.13629146973967818,0.13680683431966328,0.13791334867327798,0.1399256482406303,0.14077555359123706,0.1408046197811172,0.14202053962377023,0.14254843389638613,0.14323021425962254,0.14395806347959247,0.14415397246261208,0.14420778575891718,0.14492268652058957,0.14493434343400385],"n_dims_used":44,"mean_confidence":0.9171329845081676},"coverage":{"mean_confidence":0.9171329845081676,"n_dims_used":44,"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}}