{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005313},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890005014","489:4890004994","489:4890004804","496:4960001914","477:4770002148","468:4680002249","477:4770003163","489:4890004194","489:4890004669","484:4840004255","489:4890004450","489:4890005043","496:4960001659","472:4720007017","468:4680003355","496:4960003257","477:4770003390","472:4720005712","496:4960002153","489:4890005007","479:4790000503","499:4990004444","468:4680002850","484:4840005283","496:4960002848"],"twin_admin_codes":[489,489,489,496,477,468,477,489,489,484,489,489,496,472,468,496,477,472,496,489,479,499,468,484,496],"twin_sims":[0.6416710920501366,0.5866059304040585,0.3753071143346789,0.3506593561215081,0.3412057506878744,0.32935227000905803,0.29965296478361364,0.29429621804192974,0.2840634019365121,0.27293829604238834,0.2721680055312064,0.26179621014711857,0.2595801912585235,0.2576483910195609,0.257365109955172,0.25496902970144536,0.2535792814793654,0.24301600446987634,0.23530819242413403,0.22551367391445618,0.2225590348764902,0.22255424242640537,0.21935766656876987,0.218878591217359,0.21335349398574274],"twin_dists":[0.12234141191657569,0.1341424298928729,0.18182526709761054,0.18802130272895642,0.19045725891836998,0.19356330559845877,0.2016303199697664,0.20313370209173376,0.20605133379335822,0.20929623446023,0.20952387719264862,0.21262868462923962,0.2133019611936232,0.21389184226144553,0.2139785772640532,0.21471463571936358,0.2151435667412137,0.2184539818582878,0.22092861708032327,0.22415106080612812,0.22514130175418182,0.22514291502771244,0.2262241863045975,0.22638714515580713,0.22828409904670824],"n_dims_used":45,"mean_confidence":0.9194393581814236},"coverage":{"mean_confidence":0.9194393581814236,"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}}