{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012803},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012802","490:4900012531","490:4900012804","490:4900012982","490:4900012254","490:4900012799","490:4900012878","490:4900012675","490:4900013149","490:4900012319","490:4900012812","490:4900012871","490:4900013021","490:4900013187","490:4900012866","490:4900012530","490:4900012677","490:4900012321","490:4900000753","490:4900012985","490:4900012740","490:4900000462","490:4900000877","494:4940007641","490:4900013020"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490],"twin_sims":[0.5493200533201799,0.43260247537951196,0.3927798107445337,0.3525818941291024,0.31789664203123336,0.31588003733430686,0.3140531499759849,0.26770806376278117,0.23626121301564448,0.2304129456421501,0.21547172185602054,0.21349537459596735,0.2022465702809869,0.20087684909524295,0.16169236233383233,0.1530226790457048,0.14637303778009808,0.13727988515457093,0.1193894909221278,0.11193377210549009,0.10928393478054896,0.10549531137672477,0.10227632257084174,0.09495617563211506,0.0941526211496309],"twin_dists":[0.14216054881034898,0.168129638755009,0.17755377680167753,0.18753015752498617,0.19662405248075365,0.1971692142381105,0.19766479179712465,0.2108497967122242,0.22061981046478987,0.2225278852433647,0.2275529701664999,0.2282349745984838,0.23220074175610217,0.23269385764663147,0.24792490235575146,0.2516462986142773,0.2546067917380509,0.25882088807383513,0.2677660511870687,0.2717977266004992,0.27328048012364925,0.2754495976931047,0.2773407009118333,0.2818210420750034,0.2823292238629042],"n_dims_used":45,"mean_confidence":0.9116466946072048},"coverage":{"mean_confidence":0.9116466946072048,"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}}