{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000723},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000943","477:4770000770","477:4770000880","477:4770001833","477:4770001728","477:4770001673","477:4770002012","477:4770000941","477:4770001780","477:4770000876","477:4770003770","477:4770001777","477:4770000757","477:4770001782","477:4770001776","477:4770000677","485:4850007843","477:4770001432","477:4770001832","477:4770000772","477:4770000730","477:4770001435","477:4770000626","477:4770001724","477:4770003547"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,485,477,477,477,477,477,477,477,477],"twin_sims":[0.7775839885658561,0.7603565144722126,0.7112026551299139,0.6373280114436258,0.6328447644773494,0.6307491620413596,0.6280823736026471,0.6269343288929485,0.6115260444260934,0.598605455731865,0.5798957843629805,0.566160789429852,0.5529284908863424,0.5494930243898537,0.5355922637566383,0.529746206222626,0.5129340598703794,0.5077348469664267,0.5007793762547762,0.49887111794828776,0.4972292040472933,0.49618364030723644,0.48797577938065817,0.48728159464439846,0.47434794378820466],"twin_dists":[0.0921218729397477,0.09613657613437337,0.10722283216147442,0.12327419581736979,0.12423635214123635,0.12468586878797065,0.12525772556446338,0.12550385077997483,0.1288048171732649,0.13157158238101818,0.1355813603685039,0.13853135847401088,0.14138155979820533,0.14212318894332024,0.1451322971245929,0.14640227878318426,0.15007197694631402,0.1512127180396229,0.15274362170236938,0.15316464485071368,0.15352726593726077,0.15375835869909535,0.15557743998429685,0.15573170650818063,0.1586186168700007],"n_dims_used":45,"mean_confidence":0.9218911912706164},"coverage":{"mean_confidence":0.9218911912706164,"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}}