{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003192},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003880","490:4900001426","490:4900002914","490:4900003215","490:4900003193","490:4900001697","487:4870001774","490:4900002613","490:4900003622","490:4900002760","490:4900003734","490:4900003598","487:4870000420","490:4900004296","490:4900002757","490:4900004580","490:4900002467","494:4940008092","490:4900002443","490:4900004158","490:4900003864","487:4870001954","490:4900003345","490:4900004434","490:4900001839"],"twin_admin_codes":[490,490,490,490,490,490,487,490,490,490,490,490,487,490,490,490,490,494,490,490,490,487,490,490,490],"twin_sims":[0.49613460301867857,0.4766351077177334,0.4419362179215251,0.41851137156717577,0.41652767958091774,0.4091155040024283,0.3940167917664366,0.36539143627913917,0.3574440130706686,0.35170728904320503,0.34318585096508175,0.3394874105906355,0.3389059643231386,0.3374332815781493,0.3275199742992189,0.3232029903558244,0.32040536495872934,0.31956081512398854,0.3168129079949142,0.3165357010609454,0.31596823199726515,0.31111394414229154,0.3084307357552914,0.3077562759183582,0.30708305357829613],"twin_dists":[0.1537692004422758,0.15810628564445667,0.16597428087518842,0.17141968391060575,0.17188655207565878,0.1736395917154759,0.17725481584594963,0.18429240744861108,0.18629421509367833,0.18775341670778947,0.18994410299627523,0.19090387043521329,0.1910552679944935,0.19143935326013267,0.19404884678884501,0.19519877937784866,0.19594856640108074,0.19617563263071763,0.1969167816392087,0.1969917492367122,0.19714533093481929,0.1984655596951639,0.19920036754693934,0.19938564789300264,0.19957082155871692],"n_dims_used":45,"mean_confidence":0.9145679050021701},"coverage":{"mean_confidence":0.9145679050021701,"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}}