{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:5HQM6LVHLWUFIJSJSWKJUCK4BG","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":"6bdf3e5d10ac9264ea98d96b9b2b8b3508a51030ebdc7236d3aaf5678ae715ca","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2005-12-31T08:01:20Z","title_canon_sha256":"d2daa7c944aa542fc35ed78588b3ce986f7f61166b06663d3ec1e48ef56fc558"},"schema_version":"1.0","source":{"id":"hep-ex/0601002","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0601002","created_at":"2026-05-18T00:37:16Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0601002v1","created_at":"2026-05-18T00:37:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0601002","created_at":"2026-05-18T00:37:16Z"},{"alias_kind":"pith_short_12","alias_value":"5HQM6LVHLWUF","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"5HQM6LVHLWUFIJSJ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"5HQM6LVH","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:9833f61266ac50fb88fd71bd23c97b09adc2a463ba53f3b09c3c56c84476f746","target":"graph","created_at":"2026-05-18T00:37:16Z","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":"The gamma n -> eta n quasi-free cross section reveals a resonant structure at W ~ 1.675 GeV. This structure may be a manifestation of a baryon resonance. A priori its properties, the possibly narrow width and the strong photocoupling to the neutron, look surprising. This structure may also signal the existence of a narrow state.","authors_text":"A.D'Angelo, A.Fantini, A.Giusa, A.Lapik, A.Turinge, B.Girolami, C.Randieri, C.Schaerf, D.Franco, D.Moricciani, E.Hourany, F.Ghio, G.Gervino, G.Russo, J.-P.Didelez, L.Nicoletti, M.Castoldi, M.-C.Sutera, M.Guidal, M.-L.Sperduto, N.Rudnev, O.Bartalini, P.Levi Sandri, R.Di Salvo, R.Kunne, V.Bellini, V.Kuznetsov","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2005-12-31T08:01:20Z","title":"Eta photoproduction off the neutron at GRAAL"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0601002","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":"sha256:99dd50caefe4b73376e3547095bb130806d0837724df3d398ed40d8e61a41193","target":"record","created_at":"2026-05-18T00:37:16Z","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":"6bdf3e5d10ac9264ea98d96b9b2b8b3508a51030ebdc7236d3aaf5678ae715ca","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2005-12-31T08:01:20Z","title_canon_sha256":"d2daa7c944aa542fc35ed78588b3ce986f7f61166b06663d3ec1e48ef56fc558"},"schema_version":"1.0","source":{"id":"hep-ex/0601002","kind":"arxiv","version":1}},"canonical_sha256":"e9e0cf2ea75da854264995949a095c09b2e5c2255e7d66900b228176281d6c5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9e0cf2ea75da854264995949a095c09b2e5c2255e7d66900b228176281d6c5a","first_computed_at":"2026-05-18T00:37:16.088364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:16.088364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FTT/8TZ9GU1RyKZaRweOCtHtNdWZ7Cu9g9k+qfOTu3+gVHmTE1sSdJpWtLR7yDebH3oTrizGBjerUeAwm+gTDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:16.089219Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0601002","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99dd50caefe4b73376e3547095bb130806d0837724df3d398ed40d8e61a41193","sha256:9833f61266ac50fb88fd71bd23c97b09adc2a463ba53f3b09c3c56c84476f746"],"state_sha256":"f3ae255cac02de8dc277d256b9b6cead1a369acf613bc31b97cd72f466094d19"}