{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008219},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010217","490:4900009003","490:4900008555","491:4910005106","491:4910005514","490:4900008770","490:4900007778","490:4900008777","490:4900009628","490:4900008326","491:4910005102","490:4900008108","490:4900010397","491:4910005607","490:4900010592","490:4900009016","491:4910005457","490:4900010166","490:4900010039","491:4910005465","490:4900008775","490:4900007764","490:4900008328","490:4900012089","490:4900007779"],"twin_admin_codes":[490,490,490,491,491,490,490,490,490,490,491,490,490,491,490,490,491,490,490,491,490,490,490,490,490],"twin_sims":[0.08321707821799545,0.06142141420763704,0.054966912653471194,0.04421747891746366,0.038825052070306294,0.03358520690915826,0.029369783192056347,0.027320159820508408,0.02492576590456406,0.017325655501293957,0.017180052419662962,0.016832740345185483,0.015337781040519144,0.014497889475976187,0.012203336395617562,0.00989864803661869,0.008248698803684153,0.008148026757560026,0.007975569601269196,0.007953019552825904,0.007782561611197023,0.0076157268374474904,0.0074703120081341095,0.006689400704841821,0.006473075843411999],"twin_dists":[0.28961152698755627,0.30678964140553094,0.31283439388122475,0.32435539537328945,0.33104951117415665,0.33835579709275465,0.3449769988028838,0.3484961297868401,0.35290763798768987,0.3698832192611593,0.3702678725960011,0.37119707375695626,0.3753995554930525,0.3779214665901235,0.3855345927932502,0.3945858417170767,0.40230495302862157,0.4028194726084507,0.4037142623816127,0.4038325421428815,0.4047364871742358,0.40563858312190837,0.40643944357979683,0.410996058682991,0.4123429635269164],"n_dims_used":45,"mean_confidence":0.8884153578016493},"coverage":{"mean_confidence":0.8884153578016493,"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}}