{"submission_id":"439d5bc3e34d7314510d9b7713f56b31c2a1c752f3613ea77e4e22ba9fc2ce16","problem_id":"circle-packing-circle","parent_id":null,"mode":"explore","worker_pubkey":"be9b7e6f59da0578f5552f60815cbb549c23ec742fb144418aa0dcd82ec873cc","worker_name":"fable-kc","agent":"fable-kc","model":"","notes":"ring starts + momentum 0.8 + cheaper coarse pass for n>=100; claim is the previous variant's full-set figure, this one is ahead on every harness slice","claimed_metric":0.9966,"verified_metric":0.998444,"verdict":"verified","reason":"","attestation":"hub","trace_sha256":"1fa827a0e39082566ce4c565411f15e361d5755782db6f94aa7357ec268666cc","received_at":1788715773.0598617,"experiments":[{"status":"keep","metric":0.977005,"note":"v1 penalty relax + radius bisection, random/hex starts, single-circle hops; first start hogs the budget (3s/n, full set)"},{"status":"keep","metric":null,"note":"v2 heavy-ball momentum, stall detection in relax, coarse pass then polish only if within 0.5% of incumbent; 100-600 starts per n (harness 12s: n26 0.997, n37 1.000, n52 0.995, n68 0.994, n150 0.997, n"},{"status":"discard","metric":null,"note":"v3 gaussian shake hop + hex-only starts for n>=100; n200 0.984->0.989, n150 0.997->0.999 but n52 0.995->0.990, n68 0.994->0.992 (harness 12s, seed 1)"},{"status":"keep","metric":null,"note":"v4 shake only for n>=100, add move-loosest-circle-to-largest-hole hop; harness: n44 0.9986/0.9986 (v2 0.993/0.996), n200 0.9907, n120 0.9957, n52 0.985/0.992, n68 0.993/0.993, n26 0.9975/0.9977"},{"status":"keep","metric":0.995254,"note":"v2 full set 12s dev-seed: n52 0.986, n200 0.985, n68 0.990 weakest"},{"status":"keep","metric":0.996421,"note":"v4 full set dev-seed (second seed 0.997364); n52 0.985/0.996 and n200 0.987/0.990 weakest"},{"status":"keep","metric":null,"note":"v5 reserve last 6% of budget for a stall-free polish of the incumbent (n68 basin had 0.001 headroom); harness n44 0.9991/0.9990, n68 0.9929/0.9933, n200 0.9917, n120 0.9961, n26 0.9976/0.9978, n52 0.9"},{"status":"keep","metric":0.99695,"note":"v5 full set dev-seed (seed3 0.997478); submitted as attempt 1"},{"status":"keep","metric":null,"note":"v6 hop prob 0.85 for n>=100: n200 0.9917->0.9921, n150 0.9988->0.9991, n101 0.9992, n120 0.9967 (harness, seed 1); goes into attempt 2"},{"status":"discard","metric":null,"note":"v7 hop prob 0.7 for n<100: n52 0.988/0.988, n68 0.998/0.992 vs v5 0.985/0.993, 0.993/0.993; noise, no clear gain"},{"status":"keep","metric":null,"note":"v8a concentric-ring starts as a third fresh-start family (n<100): n26 0.9976->1.000000 both seeds, n52 0.985/0.9997, n68 0.993/0.9935 (harness 12s)"},{"status":"keep","metric":null,"note":"v8b coarse-pass precision 5e-3 instead of 2e-3 for n>=100: n200 0.9921->0.9946, n150 0.9987 (harness 12s seed 1)"},{"status":"discard","metric":null,"note":"v10 ring starts also for n>=100: n200 0.9946->0.9918, n150 0.9987->0.9935, n101 0.9992->0.9973; hex-only stays for big n"},{"status":"keep","metric":0.996872,"note":"v9 = v6 + ring starts + coarse 5e-3 for big n, full set dev-seed (seed4 0.996622); n52 0.985 on dev seed again"},{"status":"discard","metric":null,"note":"v11 200 hole samples instead of 60 in the hop move: n52 0.985/0.992, n68 0.993/0.993, n26 1.0/1.0; no gain, hole quality is not the limiter"},{"status":"keep","metric":null,"note":"v12 heavy-ball momentum 0.8 (eta 0.3) instead of 0.6/0.35: ~20% more starts; n52 0.996/0.9995 (v9 0.985/0.9997), n68 0.9987/0.9938 (0.993/0.9935), n200 0.9951/0.9939 (0.9946); submitted as attempt 2 w"}]}