{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000150},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000317","477:4770000230","477:4770000086","477:4770000044","477:4770000272","477:4770000229","477:4770000225","477:4770000268","489:4890001784","477:4770000228","477:4770000269","489:4890001783","477:4770000227","477:4770000495","477:4770000267","489:4890002364","477:4770000110","477:4770000402","477:4770000441","477:4770000442","477:4770000325","477:4770000315","477:4770000274","477:4770000271","477:4770000155"],"twin_admin_codes":[477,477,477,477,477,477,477,477,489,477,477,489,477,477,477,489,477,477,477,477,477,477,477,477,477],"twin_sims":[0.9399089134678215,0.9004721186030826,0.8983938348686491,0.8620660012976038,0.8577670955493297,0.8440483066822714,0.8421857535339402,0.8266077818364084,0.825879495339853,0.8246837831658081,0.8035903373308702,0.7975852764140764,0.796575096845499,0.7929123307619292,0.7852063780531022,0.7799118183073459,0.7768736937027562,0.7759684586595695,0.768325800079375,0.7678680475564432,0.7634821893460645,0.7622248503699952,0.7501817772957985,0.7450695116486317,0.7268219429284001],"twin_dists":[0.045723312149981474,0.05946949142341164,0.06012129418250037,0.07076037010004807,0.07194218229799153,0.07562790021280924,0.07611901026037689,0.08014949374604959,0.08033477836473045,0.08063841116334547,0.08588733888928694,0.08734800738244504,0.08759239780628943,0.08847543808346792,0.09031810137593885,0.09157291952776189,0.09228905159938809,0.09250189544050261,0.09428948903649105,0.09439603912866679,0.09541409014866441,0.09570501773286054,0.09847188322608301,0.0996362939625809,0.10374911085287813],"n_dims_used":45,"mean_confidence":0.9198131985134549},"coverage":{"mean_confidence":0.9198131985134549,"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}}