{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003848},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004135","490:4900001832","490:4900003447","490:4900003987","490:4900003035","490:4900001146","490:4900003444","490:4900005891","490:4900004817","490:4900001681","490:4900003845","490:4900001279","490:4900001414","490:4900003700","490:4900003726","490:4900001669","490:4900001976","490:4900003720","490:4900004269","490:4900003988","490:4900003584","490:4900004818","490:4900004405","490:4900001997","490:4900001556"],"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":[0.7328395462981061,0.7061008049736224,0.6466892173788953,0.5838104372386342,0.5789988052254795,0.5302323824402201,0.5070076823675955,0.49464235664195394,0.47821456217867336,0.45839029165639755,0.4505246351587969,0.4453224020455807,0.4356878506156677,0.4342233914270997,0.4202785451812221,0.4161324798889837,0.4074315304683514,0.39786849382976575,0.37649247779860245,0.3763329443776477,0.37320514406417654,0.37089125312306753,0.36768039440041195,0.3489455390193756,0.33573805526147815],"twin_dists":[0.10239983597965581,0.10834946256320767,0.12126264023274791,0.13474175338511513,0.13577380601124048,0.14629655240777165,0.15137250337187758,0.15409927148892766,0.15775295068834702,0.16221674844664052,0.16400659267073847,0.16519674972987802,0.16741513904900254,0.16775401938955684,0.1710045675708505,0.17197967722921143,0.17403979754370844,0.17632667904296023,0.18153249947421132,0.18157187565677685,0.18234554016947382,0.18291993978051316,0.18371995686788237,0.18846031474707278,0.1918826014569336],"n_dims_used":45,"mean_confidence":0.922407701280382},"coverage":{"mean_confidence":0.922407701280382,"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}}