{"artifact_id":"L1-915","layer":"L1","title":"Room-Temperature Superconductivity — Eliashberg Tc","domain":"Materials Science","sub_domain":"Superconductivity","physics_fingerprint":{"title":"Room-Temperature Superconductivity — Eliashberg Tc","domain":"Materials Science","chapter":"Ch.15 Materials, Energy & Climate","sub_domain":"Superconductivity","forward_model":"Eliashberg/Allen–Dynes Tc from the electron–phonon spectral function α²F(ω) and Coulomb pseudopotential μ*; inverse-design candidate crystals for high Tc.","challenge_blurb":"Design a material that superconducts at room temperature — predict Tc from electron–phonon coupling and invert for high-Tc structures.","challenge_group":"physics","challenge_short":"Room-Temp Superconductivity","grand_challenge":true,"governing_equation":"Tc = (ω_log/1.2)·exp(−1.04(1+λ) / (λ − μ*(1+0.62λ)))  (Allen–Dynes)"},"observable_profile":{"unit":"MAE on predicted Tc in K (lower better)","floor":15.0,"metric":"Tc_mae","sota_reference":"Hydride high-pressure superconductors (LaH10, H3S) + ML Tc models"},"size_tiers":{"atoms_cell":[4,20,100],"candidates":[1000,50000,1000000]},"hardness_fn":{"type":"grand_challenge","metric":"Tc_mae","baseline":"McMillan formula","delta_tier":50},"initiator_dataset":[{"name":"SuperCon Tc database","weight":0.5,"ipfs_cid":null,"license_hash":null},{"name":"DFT electron-phonon α²F corpus","weight":0.3,"ipfs_cid":null,"license_hash":null},{"name":"High-pressure hydride dataset","weight":0.2,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":5000.0,"chain_hash":null,"chain_tx_hash":null,"chain_block":null}