{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930005149},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930004890","493:4930002459","493:4930005615","496:4960000429","496:4960000310","493:4930004618","493:4930004906","493:4930002786","493:4930005287","493:4930005943","496:4960000081","493:4930004479","493:4930003141","493:4930006018","493:4930002973","496:4960000362","493:4930002802","493:4930003833","493:4930005611","493:4930005600","496:4960000677","493:4930002774","493:4930006020","493:4930005511","496:4960000368"],"twin_admin_codes":[493,493,493,496,496,493,493,493,493,493,496,493,493,493,493,496,493,493,493,493,496,493,493,493,496],"twin_sims":[0.49512510231297235,0.4566982259318576,0.4527052537612892,0.4478391569335194,0.4150983306279512,0.3699828334778676,0.35799791988108076,0.3245382617181127,0.2877321004884677,0.2875811186896784,0.28557884081268275,0.27368707082051486,0.2662697553793988,0.2625711268123838,0.2594607138179143,0.24497126105165903,0.2395829646001871,0.2346782818700494,0.2346623704485173,0.22710392053603973,0.21644720487666683,0.21048659562121178,0.20763320396902998,0.207043011528626,0.20567382735494658],"twin_dists":[0.15399246124913638,0.16260082940565168,0.1635092478154226,0.16462031969421106,0.1722235450904255,0.1831459305880546,0.1861539646550797,0.19484219193313587,0.20499818242825754,0.2050413643723572,0.20561532097794036,0.20907532860722,0.2112803145953414,0.21239409156641414,0.21333836360181502,0.21783435294590783,0.21954977765077482,0.22113317603138832,0.22113834780510644,0.22362165964626618,0.22721790192946442,0.22928150326934632,0.23028341211874306,0.2304918148331396,0.23097685392126868],"n_dims_used":45,"mean_confidence":0.9276512993706597},"coverage":{"mean_confidence":0.9276512993706597,"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}}