{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NBIVRX67EYUVLPRPA6KBW6OBOH","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":"473d8bc88eb4a86e3ac268f1189ccf878fb1e2517b0bcb964a6a95fa2013b03a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-30T12:32:49Z","title_canon_sha256":"8d8bf2a12d77a65f18258eeff891258e235719faae45dc58a25f285ab984b784"},"schema_version":"1.0","source":{"id":"1810.12702","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12702","created_at":"2026-05-17T23:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12702v1","created_at":"2026-05-17T23:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12702","created_at":"2026-05-17T23:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"NBIVRX67EYUV","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NBIVRX67EYUVLPRP","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NBIVRX67","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:532739f66bd0b466771a3b0f1f041b9cbdb784e157327dcc6954c719d8f52b7a","target":"graph","created_at":"2026-05-17T23:53:41Z","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":"We investigate the well-known $c\\bar{c}$ vector state $\\psi(4040)$ in the framework of a quantum field theoretical model. In particular, we study its spectral function and search for the pole(s) in the complex plane. Quite interestingly, the spectral function has a non-standard shape and two poles are present. The role of the meson-meson quantum loops (in particular $DD^*$ ones) is crucial and could also explain the not yet confirmed state $Y(4008)$.","authors_text":"Francesco Giacosa, Milena Piotrowska","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-30T12:32:49Z","title":"A study of the vector meson $\\mathbf{\\psi(4040)}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12702","kind":"arxiv","version":1},"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":"sha256:0945ee40cd1fb0d484a0fdef3e1fa5c8a5fde7494b5528daf74c3a55e16c1847","target":"record","created_at":"2026-05-17T23:53:41Z","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":"473d8bc88eb4a86e3ac268f1189ccf878fb1e2517b0bcb964a6a95fa2013b03a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-30T12:32:49Z","title_canon_sha256":"8d8bf2a12d77a65f18258eeff891258e235719faae45dc58a25f285ab984b784"},"schema_version":"1.0","source":{"id":"1810.12702","kind":"arxiv","version":1}},"canonical_sha256":"685158dfdf262955be2f07941b79c171cc8e7f971d68cfa438cf55f3b917708d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"685158dfdf262955be2f07941b79c171cc8e7f971d68cfa438cf55f3b917708d","first_computed_at":"2026-05-17T23:53:41.693942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:41.693942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DHH3Xef2Hxz3V95mfBd/YqeTXy03t8HF2fcrPPsukFdBKBuhHNhjry2V6gVr0J2aGx1+IxtYpeKgGX2kbok/Bg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:41.694576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.12702","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0945ee40cd1fb0d484a0fdef3e1fa5c8a5fde7494b5528daf74c3a55e16c1847","sha256:532739f66bd0b466771a3b0f1f041b9cbdb784e157327dcc6954c719d8f52b7a"],"state_sha256":"9f0c680f5e1b849bf5f0c7f04ae486f4ecd36db00c418fd3b50e379903f74168"}