{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006706},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006947","490:4900007195","490:4900006714","490:4900007081","490:4900007322","490:4900007560","490:4900007693","490:4900006344","490:4900006218","490:4900006342","490:4900007330","490:4900005715","490:4900007191","490:4900005328","490:4900007317","490:4900007320","490:4900006343","490:4900007679","490:4900007321","490:4900008027","490:4900007917","490:4900006455","490:4900006581","490:4900006219","490:4900007453"],"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":[0.019393868633401458,0.0168935216932021,0.011670938794930657,0.0008532622736219963,0.000825051868495556,0.0007758217774993149,0.00076925019887491,0.0005167989236973417,0.00014562725612771442,0.00013836612075509652,0.00013024777303775507,0.00010380181998144078,0.00009939833203604087,0.00003238202377062937,0.000025853960963343175,0.000021610772212105107,0.000015786446790484358,0.000015156160345890522,0.00001299783642622408,0.000012691337681976422,0.000012589751634036928,0.00001133461020970759,0.000010639520991205387,0.000007076262885998465,0.000006757421977961938],"twin_dists":[0.3647045024971492,0.37103325200092974,0.38748128445866953,0.48824667235967645,0.4894067838244641,0.49152261238723133,0.49181444168531646,0.505272071461993,0.5459198103049302,0.5474978306261395,0.5493574745932834,0.5562822225431563,0.5575950604806978,0.5905479370785895,0.5969437983942163,0.6019880350276761,0.6107238854623386,0.6118481651398969,0.6160687072369987,0.6167217138783126,0.6169414754219108,0.6198061666208343,0.6215260278924595,0.6324971437578206,0.6337254614283461],"n_dims_used":45,"mean_confidence":0.9194397820366753},"coverage":{"mean_confidence":0.9194397820366753,"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}}