{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009926","490:4900010031","490:4900009824","490:4900010583","490:4900007042","490:4900009417","490:4900009726","490:4900010326","490:4900006915","490:4900010572","490:4900004611","490:4900008548","490:4900010487","490:4900010412","490:4900010488","490:4900004895","497:4970000483","490:4900007040","490:4900008547","490:4900010239","490:4900006914","490:4900008220","490:4900010573","490:4900007041","497:4970000486"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490,490,490,497],"twin_sims":[0.2610640820664402,0.12623621379945063,0.058094208243933736,0.027666636879545393,0.011420173795726313,0.011140961949095638,0.0077508690623822405,0.0037812103007645813,0.0025575611268609205,0.0016154373675510048,0.0015464624129634835,0.0010882937696888736,0.0009018051141727715,0.000824192242906585,0.0006434842062442554,0.0005560049429930786,0.0005521034065614713,0.0004777720222752306,0.0003857252290007612,0.00035554498228193186,0.0002918392904971928,0.0002671326558393287,0.0002664894062362714,0.0001912490064977106,0.00017033926100007202],"twin_dists":[0.2128507244270727,0.2642299820708096,0.3098365048375636,0.347885634795352,0.3884256435987787,0.3894990524713844,0.4049065089341602,0.4337773321043643,0.4487234453351081,0.46567382748501723,0.46725170370518954,0.4797678230954623,0.4863313881638218,0.48944271043077475,0.49789932159581407,0.5028250872528329,0.5030612514223008,0.5078865290747867,0.5149448995835245,0.5176067416359345,0.5240015435523675,0.526841270389805,0.5269184516827434,0.5374335680428609,0.5410552578397668],"n_dims_used":44,"mean_confidence":0.8835059079256925},"coverage":{"mean_confidence":0.8835059079256925,"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}}