{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000004473},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000550","477:4770001312","500:5000005827","500:5000004484","477:4770001142","485:4850000503","470:4700004521","470:4700001479","499:4990000699","499:4990003143","470:4700003994","475:4750010911","499:4990002511","478:4780006492","472:4720000902","500:5000005009","470:4700005001","499:4990000355","470:4700004996","500:5000001559","477:4770000931","468:4680005632","470:4700001476","500:5000005001","499:4990001522"],"twin_admin_codes":[499,477,500,500,477,485,470,470,499,499,470,475,499,478,472,500,470,499,470,500,477,468,470,500,499],"twin_sims":[0.09113594549302133,0.08532282240762605,0.05812554889730557,0.05781982260371453,0.04414490076425198,0.03599553138832979,0.032815100828884954,0.032332660046130036,0.03182343795080499,0.03151373505969354,0.031034911533806758,0.029836079179196517,0.028759625732836094,0.02803294482163737,0.02771487150878827,0.02723155168867145,0.025901217437291475,0.024705644463272114,0.024463001448855777,0.024374199840065818,0.024164152179507993,0.023484761318501267,0.022299291288213414,0.021345482025739257,0.020632232321399855],"twin_dists":[0.2842681065548939,0.28815243486957365,0.3098071422871653,0.3100941314756428,0.3244408111293073,0.33488284387903167,0.3395102168668107,0.3402452508740705,0.3410313234506544,0.3415146779910589,0.3422700386137206,0.3442059549073942,0.34600195388504107,0.3472473118247501,0.34780116757681695,0.3486533279152893,0.3510680748583631,0.35333134395148785,0.35380220125779394,0.3539755342886984,0.3543877145548386,0.3557424853704715,0.35818999254953265,0.3602426669362537,0.36183044982919726],"n_dims_used":45,"mean_confidence":0.9216284010145399},"coverage":{"mean_confidence":0.9216284010145399,"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}}