{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:L5FIOAHQODYW3GYRXAUZMFFW6E","short_pith_number":"pith:L5FIOAHQ","schema_version":"1.0","canonical_sha256":"5f4a8700f070f16d9b11b8299614b6f1105dfe748f7a62a2551782777c45c792","source":{"kind":"arxiv","id":"1111.0820","version":2},"attestation_state":"computed","paper":{"title":"Superconductivity at 33 K in potassium-doped 1,2:8,9-dibenzopentacene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Duming Wang, Fengwang Li, G. F. Chen, Huaixin Yang, Junbao He, Mianqi Xue, Tingbing Cao, Xiaoli Dong, Yue Wu","submitted_at":"2011-11-03T12:49:07Z","abstract_excerpt":"We report the observation of superconductivity at 33 K in K-doped 1,2:8,9-dibenzopentacene (C30H18). This is higher than any Tc reported previously for an organic superconductor besides the alkali-metal doped C60. This finding provides an indication that superconductivity at much higher temperature may be possible in such system, if PAHs with longer benzene rings can be synthesized."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1111.0820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-11-03T12:49:07Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"f57039ce7fc993f38b58a0fd00b3df1e4d2d05c0883209b091fc1e021efbb032","abstract_canon_sha256":"64a6bbe8e51fef70f0606709f027bbf39c8fa477dc131a600ebdd28135e5743a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:42.813111Z","signature_b64":"xD4F5DHz5OFJO8/FH2Tbzopoc0CR0u8secd4Futt0mf6E1+igDdm+Yd1Kfd9aulTxioQ4QzkiaT1bdjW1G8mDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f4a8700f070f16d9b11b8299614b6f1105dfe748f7a62a2551782777c45c792","last_reissued_at":"2026-05-18T04:07:42.812519Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:42.812519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superconductivity at 33 K in potassium-doped 1,2:8,9-dibenzopentacene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Duming Wang, Fengwang Li, G. F. Chen, Huaixin Yang, Junbao He, Mianqi Xue, Tingbing Cao, Xiaoli Dong, Yue Wu","submitted_at":"2011-11-03T12:49:07Z","abstract_excerpt":"We report the observation of superconductivity at 33 K in K-doped 1,2:8,9-dibenzopentacene (C30H18). This is higher than any Tc reported previously for an organic superconductor besides the alkali-metal doped C60. This finding provides an indication that superconductivity at much higher temperature may be possible in such system, if PAHs with longer benzene rings can be synthesized."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0820","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1111.0820","created_at":"2026-05-18T04:07:42.812612+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.0820v2","created_at":"2026-05-18T04:07:42.812612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0820","created_at":"2026-05-18T04:07:42.812612+00:00"},{"alias_kind":"pith_short_12","alias_value":"L5FIOAHQODYW","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"L5FIOAHQODYW3GYR","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"L5FIOAHQ","created_at":"2026-05-18T12:26:34.985390+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E","json":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E.json","graph_json":"https://pith.science/api/pith-number/L5FIOAHQODYW3GYRXAUZMFFW6E/graph.json","events_json":"https://pith.science/api/pith-number/L5FIOAHQODYW3GYRXAUZMFFW6E/events.json","paper":"https://pith.science/paper/L5FIOAHQ"},"agent_actions":{"view_html":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E","download_json":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E.json","view_paper":"https://pith.science/paper/L5FIOAHQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.0820&json=true","fetch_graph":"https://pith.science/api/pith-number/L5FIOAHQODYW3GYRXAUZMFFW6E/graph.json","fetch_events":"https://pith.science/api/pith-number/L5FIOAHQODYW3GYRXAUZMFFW6E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E/action/storage_attestation","attest_author":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E/action/author_attestation","sign_citation":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E/action/citation_signature","submit_replication":"https://pith.science/pith/L5FIOAHQODYW3GYRXAUZMFFW6E/action/replication_record"}},"created_at":"2026-05-18T04:07:42.812612+00:00","updated_at":"2026-05-18T04:07:42.812612+00:00"}