{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770002232},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001921","477:4770002233","477:4770002863","477:4770003271","477:4770002234","477:4770002941","477:4770002572","477:4770002710","477:4770002157","477:4770003467","477:4770002031","477:4770003331","477:4770003397","477:4770001793","477:4770003413","477:4770002367","477:4770002850","477:4770003334","477:4770003469","477:4770003097","477:4770002496","477:4770002930","477:4770002940","477:4770002711","477:4770002104"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.827134825578856,0.7634944566132936,0.7551362801642393,0.7348346499690522,0.7193018724630591,0.6949741281494143,0.6753370928303914,0.6740091640354757,0.6672621564135272,0.6200006055993929,0.6122479617953993,0.579292867511797,0.5663314022292792,0.5652507234693258,0.561750451441665,0.5408734444159561,0.5285740976529982,0.5236946867028175,0.5137637527841131,0.5098231420854767,0.4842747022719544,0.48134565479542646,0.46679661554254703,0.45491566684670226,0.45454171462361437],"twin_dists":[0.08001524212389362,0.09541124969917872,0.09733779481823819,0.10195102104851551,0.1054264354592933,0.11079453285790926,0.11507543820975846,0.11536357797036788,0.11682529900982169,0.1269897334795433,0.12865022318476338,0.1357107125984741,0.1384946671394807,0.1387270965230762,0.1394803095481815,0.14398740569644028,0.14665725678724834,0.14772004611255923,0.14989020953940493,0.15075417334796065,0.15640069727801661,0.15705360946129684,0.16031600962249345,0.16300600914285557,0.16309108269164616],"n_dims_used":45,"mean_confidence":0.9205429077148437},"coverage":{"mean_confidence":0.9205429077148437,"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}}