{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007696},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009041","490:4900007705","490:4900008160","490:4900011028","490:4900008061","490:4900008046","490:4900007823","490:4900007815","490:4900006973","490:4900007592","490:4900005749","490:4900009376","490:4900004932","490:4900006850","490:4900004244","490:4900006739","490:4900005742","490:4900006611","490:4900008601","490:4900009369","490:4900005609","490:4900007599","490:4900011857","490:4900008379","490:4900007817"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.004959458887879453,0.0036692464068868043,0.0028729165023590815,0.002322281091270504,0.0022769002449224553,0.0019965286158544916,0.0018425130659760558,0.0017526596786988568,0.0015086802735043386,0.001500247886923392,0.0014960027965007872,0.0014503355766080014,0.001403640417605116,0.0013681021614782814,0.0013155118090316218,0.0012847202943333188,0.001255047478100522,0.0010615566477577961,0.0010483219774036574,0.0009848577602420395,0.0009589714958685912,0.0009091568264480666,0.0009052257668538454,0.0008823296824562821,0.0008653448472376056],"twin_dists":[0.42309825652111976,0.43494455746048705,0.44433125923125283,0.45233646380365666,0.4530717719812342,0.4579377110562646,0.4608851904201595,0.4627113155948464,0.4681437545655972,0.4683456584331308,0.46844769902543165,0.46956265260411373,0.4707367437869508,0.4716547451967091,0.4730544974030339,0.4738982567771811,0.4747292481045675,0.4806415588244832,0.48108162597365617,0.483266207402008,0.4841949835942859,0.4860497102863511,0.4862000629995408,0.4870880195690284,0.4877606630367126],"n_dims_used":45,"mean_confidence":0.9418804592556423},"coverage":{"mean_confidence":0.9418804592556423,"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}}