{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":498,"cluster_id":4980004015},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["468:4680001975","498:4980004124","498:4980004740","468:4680004379","498:4980003949","468:4680003115","468:4680003599","498:4980004005","468:4680003605","498:4980001316","500:5000010608","498:4980001221","468:4680003406","498:4980003724","498:4980003957","498:4980004693","468:4680003022","498:4980004607","498:4980002745","498:4980001318","468:4680003500","498:4980002681","498:4980002344","498:4980004172","468:4680000831"],"twin_admin_codes":[468,498,498,468,498,468,468,498,468,498,500,498,468,498,498,498,468,498,498,498,468,498,498,498,468],"twin_sims":[0.6463088758323318,0.6304520579982091,0.6060661745529818,0.5754790738843232,0.5543826020375965,0.545134834860091,0.5439799158411743,0.5412510273500318,0.5173006905065295,0.503489521768603,0.4950479603727013,0.49307999608668857,0.4919741828250527,0.49012450903626303,0.47645250184908616,0.47605038431930713,0.46506992436532424,0.4643845811329967,0.4557371853594628,0.4502374401409718,0.4431535371665375,0.4431442881847196,0.4368974147756951,0.436108990245921,0.4291486072259125],"twin_dists":[0.12134444527988048,0.12474958848216462,0.12997394605588258,0.13652921208733365,0.14106787376706306,0.14306511731917915,0.14331494638165831,0.14390563236770879,0.14911615679549525,0.1521464378313671,0.15400952732275333,0.15444516046120893,0.1546901688201023,0.15510035410764683,0.15814716032108253,0.1582371886986249,0.16070544470678488,0.16086015463033818,0.16281920452188464,0.16407216134461688,0.1656944983798388,0.16569662299881918,0.16713558420398938,0.16731777017990532,0.16893191642792083],"n_dims_used":44,"mean_confidence":0.9274781833995472},"coverage":{"mean_confidence":0.9274781833995472,"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}}