{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001658},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001667","499:4990003327","477:4770003942","499:4990002627","499:4990001195","499:4990002461","499:4990002790","488:4880000248","479:4790000243","488:4880000006","499:4990001579","499:4990002297","499:4990001864","499:4990001859","499:4990003094","472:4720002492","499:4990002060","485:4850003103","499:4990002454","499:4990003326","499:4990001420","489:4890002499","489:4890001659","470:4700000452","479:4790000104"],"twin_admin_codes":[499,499,477,499,499,499,499,488,479,488,499,499,499,499,499,472,499,485,499,499,499,489,489,470,479],"twin_sims":[0.6872369785748381,0.6096845418940969,0.5734141566609586,0.5684822003524876,0.5578265544116525,0.5270494049404095,0.49073256166877177,0.4896674026734672,0.4796640023412236,0.4745232714877053,0.4712523005808745,0.47042361913885444,0.46016890861357773,0.45326398064070966,0.435853918478857,0.43166849575438654,0.4282243069738971,0.42469512093474054,0.4186450718808094,0.4181382767301011,0.41328965517064115,0.4076697437058171,0.4064088839244731,0.40636842729106043,0.40031938889556296],"twin_dists":[0.11248601704032307,0.1291991504141352,0.13697258682064276,0.13803223721758098,0.14032542585464278,0.1469891180913688,0.15496546114373827,0.1552017934325963,0.15742903165428399,0.15857931433124647,0.15931335056260454,0.15949958415074383,0.16181356949008907,0.1633819588913556,0.16737673914250112,0.16834632995587198,0.16914706228926205,0.169970302696381,0.1713882511429056,0.17150742065318197,0.1726506892555922,0.1739831404691422,0.17428319278022025,0.17429282726168477,0.17573823402504374],"n_dims_used":45,"mean_confidence":0.9268944634331597},"coverage":{"mean_confidence":0.9268944634331597,"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}}