{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000095},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950000763","495:4950000430","495:4950000583","495:4950000479","480:4800000121","495:4950000528","495:4950000810","495:4950000586","495:4950000536","495:4950000133","495:4950000623","495:4950000429","495:4950000589","495:4950000535","495:4950000329","495:4950000767","495:4950000635","495:4950000722","495:4950000716","495:4950000036","495:4950000674","495:4950000531","495:4950000040","495:4950000530","495:4950000539"],"twin_admin_codes":[495,495,495,495,480,495,495,495,495,495,495,495,495,495,495,495,495,495,495,495,495,495,495,495,495],"twin_sims":[0.8966300961003558,0.754160594859475,0.6151700454412705,0.6080486471642865,0.5171779722063421,0.5118951533724665,0.5051078179934299,0.48537607307718506,0.465906384467281,0.45475082282319185,0.44303492994167426,0.3985871906392842,0.3885733812761372,0.38723172810991313,0.3778779506525148,0.3722871103340656,0.32039365373522083,0.2872683847338846,0.27593727158925335,0.2689161704949738,0.2618889404445131,0.25051919274816165,0.24553339400216936,0.2427798017761921,0.239633396690562],"twin_dists":[0.060670121563383035,0.0975615805473232,0.1280244374472727,0.12954944478206407,0.14914299180204535,0.1502996826159482,0.15179026145094388,0.1561555099882005,0.1605167286360639,0.16304350775004894,0.16572174539579854,0.1761539534696038,0.17857371205334466,0.17890011306298545,0.18119087734805192,0.18257322139137433,0.1959517127910025,0.20513085187018673,0.20841369072562477,0.21048929138309339,0.21260058918350502,0.21609333082421855,0.21765680140516508,0.21852905320828483,0.21953360668288535],"n_dims_used":42,"mean_confidence":0.8930544172014508},"coverage":{"mean_confidence":0.8930544172014508,"n_dims_used":42,"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}}