{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007466},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006125","490:4900006128","490:4900007830","490:4900005991","490:4900007224","490:4900006129","490:4900008040","490:4900007223","490:4900008372","490:4900006127","490:4900006131","490:4900006845","490:4900008057","490:4900005994","490:4900012131","490:4900005861","490:4900006600","490:4900006601","490:4900007332","490:4900009917","490:4900005472","490:4900006971","490:4900008371","490:4900006246","490:4900006136"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3515396626746431,0.24788760755531358,0.04027677098520398,0.02901077297549733,0.02729405772535994,0.02318325519250936,0.013726217506215267,0.010064555869819167,0.007905466689193955,0.005423679515767663,0.004446363235308343,0.00365785557923041,0.0031640368289609887,0.002925768866222202,0.002656213493810426,0.0025323635383729154,0.0009254591752454934,0.0009067380696178847,0.0008841430478919888,0.0008442044370941396,0.0008421552433967496,0.000753067745384268,0.0006771417988695658,0.0006083264979595555,0.000539512230070537],"twin_dists":[0.18779623948223056,0.2169160429460359,0.3291738187439459,0.3455778315160369,0.3485423913804884,0.35635462613240165,0.38035479646569204,0.39387467015263805,0.40408295578892095,0.4195159369432045,0.42742989210622523,0.43506511850312984,0.44065196651429844,0.44363870098038194,0.4472985068148979,0.44909546860502814,0.485432562410899,0.4861421497593126,0.4870169177866917,0.4886152269689329,0.4886991162410572,0.49254307694046723,0.4961691521239675,0.49979910689022655,0.5038341795962276],"n_dims_used":45,"mean_confidence":0.9183002048068576},"coverage":{"mean_confidence":0.9183002048068576,"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}}