{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000138},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000173","500:5000000137","500:5000000140","500:5000000174","485:4850007020","500:5000000526","500:5000000528","500:5000000580","500:5000000517","485:4850006936","500:5000000583","500:5000000136","500:5000000088","500:5000000527","500:5000000584","500:5000000638","500:5000000531","485:4850007492","485:4850007165","485:4850005019","500:5000000189","500:5000000115","500:5000000147","500:5000001456","500:5000000231"],"twin_admin_codes":[500,500,500,500,485,500,500,500,500,485,500,500,500,500,500,500,500,485,485,485,500,500,500,500,500],"twin_sims":[0.8226443290569494,0.8038919752318482,0.719085017018031,0.709542629046106,0.639527723488684,0.6386033637194128,0.6163951696863564,0.6070169507647754,0.5877544371457122,0.5566745603659345,0.5517298252950541,0.5479321019192795,0.5474176668047845,0.5432095398992277,0.5390619773670661,0.5354652653106537,0.5268283149384948,0.5254110542485171,0.5234113048217268,0.5115038467637228,0.5057078762589955,0.4814725777348191,0.4718231066765866,0.4703816727363279,0.4641695053063319],"twin_dists":[0.0811546869318386,0.08581360371411924,0.10547466614695912,0.10758981581626867,0.12280184705652576,0.12300035944722347,0.12776204401553853,0.12977035931810782,0.1338962557099817,0.14057369753378193,0.14164023693345063,0.14246040213389904,0.14257157323755304,0.14348164471256564,0.14437986513296586,0.1451598557783007,0.14703725744778898,0.1473459528093936,0.1477818376320126,0.15038547878625652,0.15165827050544256,0.1570252913203283,0.15918513446685778,0.15950901390258868,0.1609087223878754],"n_dims_used":44,"mean_confidence":0.9163778478449042},"coverage":{"mean_confidence":0.9163778478449042,"n_dims_used":44,"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}}