{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001643},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001507","490:4900004502","490:4900001644","490:4900002987","490:4900001508","490:4900004640","490:4900004228","490:4900003124","490:4900006804","490:4900000995","490:4900012318","490:4900012743","490:4900013023","490:4900000750","490:4900000258","490:4900002844","494:4940007540","491:4910001003","487:4870004633","487:4870004774","490:4900007173","494:4940007427","476:4760003971","490:4900012935","494:4940006143"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,491,487,487,490,494,476,490,494],"twin_sims":[0.3926537421486544,0.17866121915790822,0.1357455139819652,0.018999401676109685,0.010053403426330671,0.009237363345927053,0.007281337950851588,0.006386687479402941,0.005153094097956571,0.0034161346827407593,0.0031881713816254704,0.0019168765852503797,0.0018422615984886653,0.0017846798347307912,0.0013996538489269557,0.0013990480965210205,0.0007554121856250334,0.0006746068645583872,0.0006652988816935251,0.0006247524961539228,0.0005918961136981743,0.0005432940702511745,0.000531156188914866,0.0005165615691183217,0.0004889486495847584],"twin_dists":[0.1775842703491431,0.2410397636530232,0.25955235897804385,0.3656536694233401,0.3939221467529415,0.39753045826105815,0.40750138411257597,0.4128921992363057,0.42156858265916103,0.4377076814087714,0.44036100067660466,0.4594348563558144,0.4608901856271574,0.46205087131793326,0.47083864595853697,0.4708541532853231,0.4924366184298868,0.4962966383919135,0.49676861253837795,0.4988991121521629,0.5007223038044053,0.5036002716106139,0.5043564788556522,0.5052874067371311,0.5071179849178455],"n_dims_used":45,"mean_confidence":0.9044278462727865},"coverage":{"mean_confidence":0.9044278462727865,"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}}