{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001066},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001268","490:4900006560","490:4900007055","490:4900006204","491:4910000995","491:4910001135","490:4900007664","491:4910001858","497:4970000370","491:4910005957","497:4970001002","490:4900006927","490:4900007404","497:4970000207","497:4970001185","491:4910001623","490:4900003268","491:4910001251","491:4910001334","491:4910000996","497:4970000422","490:4900001922","497:4970001279","497:4970001520","487:4870008141"],"twin_admin_codes":[491,490,490,490,491,491,490,491,497,491,497,490,490,497,497,491,490,491,491,491,497,490,497,497,487],"twin_sims":[0.02160192253386368,0.015536320758594851,0.0032043878047351266,0.0014476864091567303,0.0012244087909286678,0.000992488829649886,0.0009709709209327326,0.0008179216502869918,0.0007897102348112647,0.0006811445260130505,0.0006783728316713209,0.0005409898703513024,0.00045740978208127825,0.00044487215203371566,0.0002720689033179141,0.00023615559955754867,0.0002286514680328723,0.0002265102810886716,0.000200689428420379,0.00019424637083813244,0.0001607900808097015,0.00013032984012924635,0.00009515247565771038,0.00007123579524929856,0.000060095664513415336],"twin_dists":[0.359683070615379,0.37482122292354275,0.440166623200156,0.46962832178946884,0.47560658498196534,0.48299673324570147,0.48376159898026383,0.48970583810167595,0.4909133464716281,0.49596875035188187,0.49610740162245887,0.5037426054437836,0.5093309441921529,0.5102505186415657,0.5262547303845698,0.5307727240550612,0.5317979399086343,0.5320962728910027,0.5359192302915202,0.5369452763348327,0.5428508383521066,0.5493381343359003,0.5589140660542201,0.5675831636335139,0.5726146219691673],"n_dims_used":45,"mean_confidence":0.8965308295355903},"coverage":{"mean_confidence":0.8965308295355903,"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}}