{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IXJDOJFM7BC6I3VNADX5HXRJQJ","short_pith_number":"pith:IXJDOJFM","schema_version":"1.0","canonical_sha256":"45d23724acf845e46ead00efd3de29826c8aeda6f6889fc67b348db27ab7c901","source":{"kind":"arxiv","id":"1901.03004","version":3},"attestation_state":"computed","paper":{"title":"Multi-bit quantum digital signature based on quantum temporal ghost imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hao Li, Heqing Wang, Lixing You, Rong Xue, Wei Zhang, Xin Yao, Xu Liu, Yidong Huang, Zhen Wang","submitted_at":"2019-01-10T03:02:12Z","abstract_excerpt":"Digital signature scheme is commonly employed in modern electronic commerce and quantum digital signature (QDS) offers the information-theoretical security by the laws of quantum mechanics against attackers with unreasonable computation resources. The focus of previous QDS was on the signature of 1-bit message. In contrast, based on quantum ghost imaging with security test, we propose a scheme of QDS in which a multi-bit message can be signed at a time. Our protocol is no more demanding than the traditional cases for the requirements of quantum resources and classical communications. The multi"},"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":"1901.03004","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-01-10T03:02:12Z","cross_cats_sorted":[],"title_canon_sha256":"dc4a48de0b5aaf6f20e77738fefc6e0d6d4ae6009ca57df7302cf658a73d18ea","abstract_canon_sha256":"86631a56d3971f171083d259d253520c391ff5d560fcf5a69118a6dad7d95efd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:35.844726Z","signature_b64":"EjyOypLfkAlrs0e4NtutgscvSrtOJ8zhZPp5wHkBoD+x9Rdj0fugo/R5s7QLi3soPJReLQxP+PrQfqxaaLa7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45d23724acf845e46ead00efd3de29826c8aeda6f6889fc67b348db27ab7c901","last_reissued_at":"2026-05-17T23:47:35.844293Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:35.844293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multi-bit quantum digital signature based on quantum temporal ghost imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hao Li, Heqing Wang, Lixing You, Rong Xue, Wei Zhang, Xin Yao, Xu Liu, Yidong Huang, Zhen Wang","submitted_at":"2019-01-10T03:02:12Z","abstract_excerpt":"Digital signature scheme is commonly employed in modern electronic commerce and quantum digital signature (QDS) offers the information-theoretical security by the laws of quantum mechanics against attackers with unreasonable computation resources. The focus of previous QDS was on the signature of 1-bit message. In contrast, based on quantum ghost imaging with security test, we propose a scheme of QDS in which a multi-bit message can be signed at a time. Our protocol is no more demanding than the traditional cases for the requirements of quantum resources and classical communications. The multi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03004","kind":"arxiv","version":3},"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":"1901.03004","created_at":"2026-05-17T23:47:35.844382+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.03004v3","created_at":"2026-05-17T23:47:35.844382+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03004","created_at":"2026-05-17T23:47:35.844382+00:00"},{"alias_kind":"pith_short_12","alias_value":"IXJDOJFM7BC6","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"IXJDOJFM7BC6I3VN","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"IXJDOJFM","created_at":"2026-05-18T12:33:18.533446+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/IXJDOJFM7BC6I3VNADX5HXRJQJ","json":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ.json","graph_json":"https://pith.science/api/pith-number/IXJDOJFM7BC6I3VNADX5HXRJQJ/graph.json","events_json":"https://pith.science/api/pith-number/IXJDOJFM7BC6I3VNADX5HXRJQJ/events.json","paper":"https://pith.science/paper/IXJDOJFM"},"agent_actions":{"view_html":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ","download_json":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ.json","view_paper":"https://pith.science/paper/IXJDOJFM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.03004&json=true","fetch_graph":"https://pith.science/api/pith-number/IXJDOJFM7BC6I3VNADX5HXRJQJ/graph.json","fetch_events":"https://pith.science/api/pith-number/IXJDOJFM7BC6I3VNADX5HXRJQJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ/action/storage_attestation","attest_author":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ/action/author_attestation","sign_citation":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ/action/citation_signature","submit_replication":"https://pith.science/pith/IXJDOJFM7BC6I3VNADX5HXRJQJ/action/replication_record"}},"created_at":"2026-05-17T23:47:35.844382+00:00","updated_at":"2026-05-17T23:47:35.844382+00:00"}