{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6N4YJGPXCOBLZTGM3EVFAOX3DC","short_pith_number":"pith:6N4YJGPX","canonical_record":{"source":{"id":"1110.5466","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2011-10-25T11:18:45Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"cef3853f25e37ab71b6abafe958a2d92a5302a5ff22b02db027121972a483086","abstract_canon_sha256":"355af6000e39a7df065b23560b18a2d33753d8684f672f0bba3a22f473fd7dc6"},"schema_version":"1.0"},"canonical_sha256":"f3798499f71382bcccccd92a503afb18b2dac6551e75aa8573a2d54bfb7e5582","source":{"kind":"arxiv","id":"1110.5466","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.5466","created_at":"2026-05-18T04:05:38Z"},{"alias_kind":"arxiv_version","alias_value":"1110.5466v2","created_at":"2026-05-18T04:05:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.5466","created_at":"2026-05-18T04:05:38Z"},{"alias_kind":"pith_short_12","alias_value":"6N4YJGPXCOBL","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6N4YJGPXCOBLZTGM","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6N4YJGPX","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6N4YJGPXCOBLZTGM3EVFAOX3DC","target":"record","payload":{"canonical_record":{"source":{"id":"1110.5466","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2011-10-25T11:18:45Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"cef3853f25e37ab71b6abafe958a2d92a5302a5ff22b02db027121972a483086","abstract_canon_sha256":"355af6000e39a7df065b23560b18a2d33753d8684f672f0bba3a22f473fd7dc6"},"schema_version":"1.0"},"canonical_sha256":"f3798499f71382bcccccd92a503afb18b2dac6551e75aa8573a2d54bfb7e5582","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:05:38.165607Z","signature_b64":"mIrH8sWVrqEQfPq/sVwgoByULFM5mUDM443Ab6cFOqWbSydvYNXnkHgY51rvE3zd8GKfDbASXPndoNxgyvmzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3798499f71382bcccccd92a503afb18b2dac6551e75aa8573a2d54bfb7e5582","last_reissued_at":"2026-05-18T04:05:38.165226Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:05:38.165226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.5466","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:05:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kpIP1Zcm5KLQSkysD6D8cXXvCTN+uDmrdqSaaJTCFaXZN1vT+DahlXIPJDCTj428+N1SmeZuoJNT9EWYtp9yDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:59:48.075630Z"},"content_sha256":"5daed1890ebbeca65048fb92c4fab4d92a59185a85f6ce374394084a88c56d09","schema_version":"1.0","event_id":"sha256:5daed1890ebbeca65048fb92c4fab4d92a59185a85f6ce374394084a88c56d09"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6N4YJGPXCOBLZTGM3EVFAOX3DC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\eta'$ photoproduction on the nucleons in the quark model","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Qiang Zhao, Xian-Hui Zhong","submitted_at":"2011-10-25T11:18:45Z","abstract_excerpt":"A chiral quark-model approach is adopted to study the $\\gamma p\\rightarrow \\eta'p$ and $\\gamma n\\rightarrow \\eta' n$. Good descriptions of the recent observations from CLAS and CBELSA/TAPS are obtained. Both of the processes are governed by $S_{11}(1535)$ and $u$ channel background. Strong evidence of an $n=3$ shell resonance $D_{15}(2080)$ is found in the reactions, which accounts for the bump-like structure around $W=2.1$ GeV observed in the total cross section and excitation functions at very forward angles. The $S_{11}(1920)$ seems to be needed in the reactions, with which the total cross "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.5466","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:05:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"91GYfF0gZ+AKZXNFD/BAl9O7m7fHpLY6oiSZ47IkW1+vJAcSZ3S/IeDynIG/LpezZ8g41clRkuVCLsHAaaaQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:59:48.076277Z"},"content_sha256":"2935fe36399168a71be7650e27aa349f9c380365a5fcc240e0f696588c59f439","schema_version":"1.0","event_id":"sha256:2935fe36399168a71be7650e27aa349f9c380365a5fcc240e0f696588c59f439"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC/bundle.json","state_url":"https://pith.science/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T02:59:48Z","links":{"resolver":"https://pith.science/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC","bundle":"https://pith.science/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC/bundle.json","state":"https://pith.science/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6N4YJGPXCOBLZTGM3EVFAOX3DC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6N4YJGPXCOBLZTGM3EVFAOX3DC","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":"355af6000e39a7df065b23560b18a2d33753d8684f672f0bba3a22f473fd7dc6","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2011-10-25T11:18:45Z","title_canon_sha256":"cef3853f25e37ab71b6abafe958a2d92a5302a5ff22b02db027121972a483086"},"schema_version":"1.0","source":{"id":"1110.5466","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.5466","created_at":"2026-05-18T04:05:38Z"},{"alias_kind":"arxiv_version","alias_value":"1110.5466v2","created_at":"2026-05-18T04:05:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.5466","created_at":"2026-05-18T04:05:38Z"},{"alias_kind":"pith_short_12","alias_value":"6N4YJGPXCOBL","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6N4YJGPXCOBLZTGM","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6N4YJGPX","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:2935fe36399168a71be7650e27aa349f9c380365a5fcc240e0f696588c59f439","target":"graph","created_at":"2026-05-18T04:05:38Z","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":"A chiral quark-model approach is adopted to study the $\\gamma p\\rightarrow \\eta'p$ and $\\gamma n\\rightarrow \\eta' n$. Good descriptions of the recent observations from CLAS and CBELSA/TAPS are obtained. Both of the processes are governed by $S_{11}(1535)$ and $u$ channel background. Strong evidence of an $n=3$ shell resonance $D_{15}(2080)$ is found in the reactions, which accounts for the bump-like structure around $W=2.1$ GeV observed in the total cross section and excitation functions at very forward angles. The $S_{11}(1920)$ seems to be needed in the reactions, with which the total cross ","authors_text":"Qiang Zhao, Xian-Hui Zhong","cross_cats":["hep-ex","hep-ph","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2011-10-25T11:18:45Z","title":"$\\eta'$ photoproduction on the nucleons in the quark model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.5466","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":"sha256:5daed1890ebbeca65048fb92c4fab4d92a59185a85f6ce374394084a88c56d09","target":"record","created_at":"2026-05-18T04:05:38Z","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":"355af6000e39a7df065b23560b18a2d33753d8684f672f0bba3a22f473fd7dc6","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2011-10-25T11:18:45Z","title_canon_sha256":"cef3853f25e37ab71b6abafe958a2d92a5302a5ff22b02db027121972a483086"},"schema_version":"1.0","source":{"id":"1110.5466","kind":"arxiv","version":2}},"canonical_sha256":"f3798499f71382bcccccd92a503afb18b2dac6551e75aa8573a2d54bfb7e5582","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3798499f71382bcccccd92a503afb18b2dac6551e75aa8573a2d54bfb7e5582","first_computed_at":"2026-05-18T04:05:38.165226Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:05:38.165226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mIrH8sWVrqEQfPq/sVwgoByULFM5mUDM443Ab6cFOqWbSydvYNXnkHgY51rvE3zd8GKfDbASXPndoNxgyvmzBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:05:38.165607Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.5466","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5daed1890ebbeca65048fb92c4fab4d92a59185a85f6ce374394084a88c56d09","sha256:2935fe36399168a71be7650e27aa349f9c380365a5fcc240e0f696588c59f439"],"state_sha256":"3f1626263bf35c051586e4b3d21da4f0cb2bcd143a49b911d300f1ec57c04c81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xz/1v0IVbLhXWOR5KKFPL5hA/03g3IqfgTbbSbfLhVwx/adxcqszm0udyV6LyLmZv4hPHj2PxAxvSicyqUIEAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:59:48.079741Z","bundle_sha256":"c6cee104792983387113148a3d9b1dfb0e75039202c4e5f21d6cf72bb2d1988c"}}