{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009313},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009210","490:4900009311","490:4900009415","490:4900009104","490:4900008798","497:4970000988","490:4900008248","490:4900009248","490:4900008911","490:4900009209","490:4900009207","490:4900009018","490:4900007802","490:4900009148","490:4900008366","490:4900007197","490:4900007804","490:4900008369","490:4900005586","490:4900008356","490:4900008255","490:4900006830","490:4900009129","490:4900007078","490:4900008368"],"twin_admin_codes":[490,490,490,490,490,497,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3632510427270203,0.1268163363398572,0.0471149959028825,0.00786593901596314,0.007553489826333974,0.004367025862128528,0.0023440926417158756,0.001134309045922195,0.00023600626980541076,0.0001606939438292899,0.00004523082061145585,0.00004349170851646105,0.000041369699044167187,0.00003781418821763997,0.000024876426444234302,0.000023092633871051187,0.000016764121101680005,0.000015951281174344577,0.000014716228250716268,0.000012160881585664382,0.000010972442158391873,0.000010920048855607162,0.000009511341321452223,0.000008956312811225058,0.000007219136235395148],"twin_dists":[0.1848293384115835,0.26393713147632003,0.3210377507442325,0.40429213885053317,0.4059796534170739,0.42813979492240684,0.4519877302658671,0.47830964929759756,0.5307928249926328,0.5428694215664034,0.5809247296321479,0.5820620483852171,0.5835098073457129,0.5861017378463846,0.598031892096707,0.6001268570626306,0.6090620411009452,0.6104369325062018,0.6126596738976963,0.6178883303702039,0.6206892843845966,0.6208193430721688,0.6245606069987536,0.6261823199966269,0.6319638436755182],"n_dims_used":45,"mean_confidence":0.8798895941840278},"coverage":{"mean_confidence":0.8798895941840278,"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}}