{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:J5QS6Y3JTKWWDMJ5N2K3C4IM34","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e195476eb88a1184c5a0a8f73bb3c360a7776edfc563dd3930fdd207edaa7ccc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-24T00:50:00Z","title_canon_sha256":"d8291918a789b5e32d2272fa9640924f8837e3b0d242ffd4e55672279fe65220"},"schema_version":"1.0","source":{"id":"1109.5219","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5219","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5219v5","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5219","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"pith_short_12","alias_value":"J5QS6Y3JTKWW","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"J5QS6Y3JTKWWDMJ5","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"J5QS6Y3J","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:6e1dc6687218fc2d96fdd279fe2c19fb319d9cdf00cbf5d30b6b2d61876c54e5","target":"graph","created_at":"2026-05-18T02:59:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this article, we calculate the mass modifications of the vector and axial-vector mesons $D^*$, $B^*$, $D_1$ and $B_1$ in the nuclear matter with the QCD sum rules, and obtain the mass-shifts $\\delta M_{D^*}=-71 \\rm{MeV}$, $\\delta M_{B^*}=-380 \\rm{MeV}$, $\\delta M_{D_1}=72 \\rm{MeV}$, $\\delta M_{B_1}=264 \\rm{MeV}$, and the scattering lengths $a_{D^*}=-1.07 \\rm{fm}$, $a_{B^*}=-7.17 \\rm{fm}$, $a_{D_1}=1.15 \\rm{fm}$ and $a_{B_1}=5.03 \\rm{fm}$ for the $D^*N$, $B^*N$, $D_1N$ and $B_1N$ interactions, respectively.","authors_text":"Zhi-Gang Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-24T00:50:00Z","title":"Analysis of mass modifications of the vector and axial-vector heavy mesons in the nuclear matter with the QCD sum rules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5219","kind":"arxiv","version":5},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7029f5d36eab2633be7bccc853081f2e6af96dc3f6b8d2eab5b597ebc5ad6b85","target":"record","created_at":"2026-05-18T02:59:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e195476eb88a1184c5a0a8f73bb3c360a7776edfc563dd3930fdd207edaa7ccc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-24T00:50:00Z","title_canon_sha256":"d8291918a789b5e32d2272fa9640924f8837e3b0d242ffd4e55672279fe65220"},"schema_version":"1.0","source":{"id":"1109.5219","kind":"arxiv","version":5}},"canonical_sha256":"4f612f63699aad61b13d6e95b1710cdf080a3dff368d69e27aca8bd4b72fa358","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f612f63699aad61b13d6e95b1710cdf080a3dff368d69e27aca8bd4b72fa358","first_computed_at":"2026-05-18T02:59:16.649131Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:59:16.649131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HPcLRN7cl54qxPg27XMCAIDgl0dO8qlaAywjU7g3buhO7BiOS/0LL/HDzrT69ygKWuc15kDq7+agCyMCTP14BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:59:16.650089Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.5219","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7029f5d36eab2633be7bccc853081f2e6af96dc3f6b8d2eab5b597ebc5ad6b85","sha256:6e1dc6687218fc2d96fdd279fe2c19fb319d9cdf00cbf5d30b6b2d61876c54e5"],"state_sha256":"ead0d6b629828ab568f35c598889ed5e629f25ab65c51f131668b314debf8b66"}