{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OUYRIZSQC2VIIQJXXRU5LWEGRQ","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":"e29a4576cbac69c4f15e0b7e124f6fe273bca48903d1edaefbee6be27cb9a243","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-12-20T09:21:09Z","title_canon_sha256":"010e49cab0357e702efde0133871ce8b1b7f8576dc13e3b4501effb58d63b12f"},"schema_version":"1.0","source":{"id":"1112.4615","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4615","created_at":"2026-05-18T01:59:04Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4615v2","created_at":"2026-05-18T01:59:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4615","created_at":"2026-05-18T01:59:04Z"},{"alias_kind":"pith_short_12","alias_value":"OUYRIZSQC2VI","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OUYRIZSQC2VIIQJX","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OUYRIZSQ","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:1b91a70660497aa43bd8fb580f0c54572340e04fcbb7d9b9c8083127c8890f65","target":"graph","created_at":"2026-05-18T01:59:04Z","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":"The resonances ($\\eta_c,\\chi_{c0,c2}$) contribution to two-photon exchange (TPE) effects in $e^+ e^- \\leftrightarrow p \\bar{p}$ is calculated in a simple hadronic model. The calculation shows the TPE contributions by resonance $\\chi_{c2}$, which are dependent on the unknown phases $\\phi_{E,M}$ of proton's time-like form factors $G_{E,M}$, are much larger than the TPE contributions by non-resonance and are comparable with measurement precision of coming PANDA detector at $\\sqrt{s} \\sim M_{\\chi_{c2}}$ for most $\\phi_{E,M}$.","authors_text":"Bing-Song Zou, Hai-Qing Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-12-20T09:21:09Z","title":"Resonances contribution to two-photon exchange effects and possible large forward-backward asymmetry in $e^+ e^- \\rightarrow p \\bar{p}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4615","kind":"arxiv","version":2},"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":"sha256:0d60033950a393acdfec19ad975500dfb62fcf6d28729722d983a82140b7dae1","target":"record","created_at":"2026-05-18T01:59:04Z","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":"e29a4576cbac69c4f15e0b7e124f6fe273bca48903d1edaefbee6be27cb9a243","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-12-20T09:21:09Z","title_canon_sha256":"010e49cab0357e702efde0133871ce8b1b7f8576dc13e3b4501effb58d63b12f"},"schema_version":"1.0","source":{"id":"1112.4615","kind":"arxiv","version":2}},"canonical_sha256":"753114665016aa844137bc69d5d8868c08def0e9d8f9ce01bf7fecb9e4cdcd6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"753114665016aa844137bc69d5d8868c08def0e9d8f9ce01bf7fecb9e4cdcd6b","first_computed_at":"2026-05-18T01:59:04.847098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:04.847098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pfkytYyde/Krmg2TGm6zUnTrMSIhGIMTWLASoX+Lbg8atTDhMIQG/4JnjVuOCJwYTp5rs/oVGvw9exOLJ1OSCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:04.847891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.4615","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d60033950a393acdfec19ad975500dfb62fcf6d28729722d983a82140b7dae1","sha256:1b91a70660497aa43bd8fb580f0c54572340e04fcbb7d9b9c8083127c8890f65"],"state_sha256":"1581067bb7cd4bfe2221c1646cd5bbc059a2fbbce173c0af7964c8d7731b9b75"}