{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700004920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750000038","473:4730007639","475:4750000039","480:4800006482","466:4660011136","475:4750000508","475:4750006233","497:4970000098","480:4800002323","498:4980000675","484:4840006934","484:4840000854","475:4750000336","474:4740001670","479:4790001650","484:4840007960","474:4740003679","497:4970000045","475:4750000622","475:4750000024","475:4750000381","484:4840001484","486:4860004975","496:4960011208","473:4730005205"],"twin_admin_codes":[475,473,475,480,466,475,475,497,480,498,484,484,475,474,479,484,474,497,475,475,475,484,486,496,473],"twin_sims":[0.007647343078743835,0.0010025750931475323,0.000872232871221208,0.000820448785143095,0.0007848288977575425,0.0007627197975878463,0.0006596156992919572,0.0003812832799913803,0.0003018435395178209,0.00027715169520700503,0.00013319192631528037,0.00008094782956963404,0.00005188012343202288,0.000048154937211694516,0.000046728793088338347,0.0000429241490318481,0.000042074045906052326,0.000036194456808515954,0.00003269272080922568,0.00003167770411911975,0.000028785002954584432,0.000018646048810954336,0.000017993392830919085,0.000013969620167945863,0.000013937360580669634],"twin_dists":[0.4054662774218249,0.4826434935282262,0.48748641361964656,0.489599569200267,0.4911263394928547,0.49210674895030854,0.49705982009815675,0.5153241580363871,0.5229154517120391,0.5256611294298535,0.5486707359887681,0.5637721405418246,0.5769285761130944,0.5791029520002038,0.5799779323786411,0.5824425799183792,0.5830215886978819,0.5873602822735585,0.5902751330397454,0.5911756975693878,0.5939015897684936,0.6061084198559318,0.6070991468322721,0.6140914473371801,0.6141549465488015],"n_dims_used":43,"mean_confidence":0.8911226849223293},"coverage":{"mean_confidence":0.8911226849223293,"n_dims_used":43,"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}}