{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000688},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001045","490:4900000428","494:4940008238","490:4900000930","490:4900000821","490:4900000423","490:4900000411","490:4900001191","490:4900000676","496:4960009476","490:4900000579","490:4900000808","490:4900000433","496:4960008580","490:4900000286","496:4960008380","490:4900000947","496:4960008861","490:4900000695","490:4900000589","490:4900001427","490:4900000671","490:4900000823","494:4940008030","494:4940008236"],"twin_admin_codes":[490,490,494,490,490,490,490,490,490,496,490,490,490,496,490,496,490,496,490,490,490,490,490,494,494],"twin_sims":[0.591478624182328,0.5500234098506335,0.5146652853617613,0.49504030697313217,0.48190276963713996,0.463399075949189,0.43496697671511997,0.4276878028525159,0.42680105322409617,0.4258848190404812,0.42539192482715066,0.40848782909835274,0.406016021426881,0.39719133367894904,0.3952508594072011,0.38748478805093073,0.38671316431490016,0.3782524835563017,0.37395435718452413,0.3696044891026108,0.36957322614422816,0.3658616921113708,0.3609581681792518,0.35820521336895317,0.3555962211204338],"twin_dists":[0.13309818983991248,0.14200864352822398,0.1496927865474592,0.1540112205224661,0.1569293274979064,0.1610827628346935,0.16758189452762326,0.16927202970130883,0.16947872099576505,0.16969247109067256,0.1698075381176394,0.17378867698278558,0.17437676845870653,0.17648955268745523,0.17695699186499997,0.17883850714134045,0.17902641383807252,0.18109863184157218,0.18215993253892807,0.18324013399247382,0.1832479202554517,0.18417465348711448,0.18540630034782463,0.18610150613323934,0.18676289072574803],"n_dims_used":45,"mean_confidence":0.9169226752387153},"coverage":{"mean_confidence":0.9169226752387153,"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}}