{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003129},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003266","490:4900002991","490:4900003519","490:4900003518","490:4900004356","490:4900003651","490:4900001376","490:4900004493","490:4900002994","490:4900003127","490:4900003794","490:4900003662","490:4900003131","490:4900002990","490:4900003654","490:4900003125","490:4900003527","490:4900003258","490:4900003259","490:4900003396","490:4900003792","490:4900003254","490:4900004357","490:4900002697","490:4900002995"],"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":[0.517681139394286,0.45859235860221054,0.4514414311060816,0.4511086661130173,0.43025937984795853,0.347855932415003,0.26273230380871104,0.2615627516516294,0.25792013518289353,0.25711234832056185,0.25388757981805815,0.23030119624834175,0.22751731939139636,0.22077659243893244,0.21921186590307554,0.15838498254548486,0.15153340889614975,0.1451075158864469,0.13983339898399616,0.12699221062164423,0.12263376771407881,0.12152235308511161,0.11829969255265155,0.1167746496944406,0.10925263462269351],"twin_dists":[0.14903297318813952,0.16217091552747517,0.16379738572505098,0.16387330226833507,0.1686736165796491,0.1887400174343228,0.2123453524194343,0.2126994455739881,0.21380869618611398,0.2140560187451502,0.21504828513842442,0.2225646533283424,0.2234844398543781,0.22574292949997493,0.226273755530915,0.2493269921463706,0.25230098338345613,0.2551814116985649,0.25761700934576737,0.2638485493208226,0.2660717713064874,0.26664829892489117,0.26834307569732474,0.26915742686054356,0.27329815992729706],"n_dims_used":45,"mean_confidence":0.9184078640407987},"coverage":{"mean_confidence":0.9184078640407987,"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}}