{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001726},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003427","489:4890002077","489:4890002180","489:4890002664","489:4890002265","489:4890001928","489:4890002328","489:4890001994","489:4890001917","489:4890002079","489:4890002505","489:4890001920","489:4890002916","489:4890001833","489:4890001840","489:4890002837","489:4890002065","489:4890001748","489:4890002839","489:4890003167","489:4890001814","489:4890001092","489:4890001810","489:4890002023","489:4890003259"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8317702539403288,0.7810501623159136,0.7639660315749913,0.718835640651518,0.7125081399237237,0.6970676408818413,0.6841112427338211,0.6805620570464325,0.679006465774657,0.6787820633421212,0.6750905686931186,0.6745928364563759,0.6719340550599671,0.662643632189527,0.658651553971645,0.655885590032277,0.6506483983272032,0.6505031870436849,0.6484615982441084,0.641448332371536,0.6382518995635303,0.6343590267568981,0.6317876350241391,0.6296526653524848,0.6269123828540147],"twin_dists":[0.07882836045512638,0.09130387115505259,0.0953020283543597,0.10553012051371852,0.106933946478275,0.11033566959680538,0.11316752480163747,0.11394016420322416,0.1142784246779223,0.11432720180277935,0.11512894171413732,0.11523694908370602,0.11581354153607902,0.1178238558355615,0.11868576081575072,0.11928233333462472,0.12041065373747213,0.12044191660921533,0.12088133655569848,0.12238927368753436,0.12307582998950924,0.1239114503562903,0.12446312797706334,0.1249210212468406,0.12550855539614342],"n_dims_used":45,"mean_confidence":0.9139453464084202},"coverage":{"mean_confidence":0.9139453464084202,"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}}