{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:SET6MDZS22H3SJ2Y4HF4V26E5P","short_pith_number":"pith:SET6MDZS","canonical_record":{"source":{"id":"1105.1600","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-05-09T08:41:36Z","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"97b4e552ae65501b8c8820ee97c5ae74fa20345b8a92f67e07fbe2348ae55679","abstract_canon_sha256":"f6a0749eb9d199e753cb7b0f2876aecedbe23b1fdb337795489515c720bbdd1f"},"schema_version":"1.0"},"canonical_sha256":"9127e60f32d68fb92758e1cbcaebc4ebc41a82f902735373ec40a06c02856db3","source":{"kind":"arxiv","id":"1105.1600","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.1600","created_at":"2026-05-18T02:43:59Z"},{"alias_kind":"arxiv_version","alias_value":"1105.1600v1","created_at":"2026-05-18T02:43:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1600","created_at":"2026-05-18T02:43:59Z"},{"alias_kind":"pith_short_12","alias_value":"SET6MDZS22H3","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SET6MDZS22H3SJ2Y","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SET6MDZS","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:SET6MDZS22H3SJ2Y4HF4V26E5P","target":"record","payload":{"canonical_record":{"source":{"id":"1105.1600","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-05-09T08:41:36Z","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"97b4e552ae65501b8c8820ee97c5ae74fa20345b8a92f67e07fbe2348ae55679","abstract_canon_sha256":"f6a0749eb9d199e753cb7b0f2876aecedbe23b1fdb337795489515c720bbdd1f"},"schema_version":"1.0"},"canonical_sha256":"9127e60f32d68fb92758e1cbcaebc4ebc41a82f902735373ec40a06c02856db3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:59.524263Z","signature_b64":"toBH2h+M5od6HfISv+8SaNiwbtmkq3uzT2MU8doO+jascaTJJs+ZB1TFTcRQmNAHMeeO99ph5C9/ynnANAbsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9127e60f32d68fb92758e1cbcaebc4ebc41a82f902735373ec40a06c02856db3","last_reissued_at":"2026-05-18T02:43:59.523785Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:59.523785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.1600","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:43:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3S7UpXJ77JWutnU8xn0yIMtX9Re6DLv2FrbXJddxLH6f6CtRUGyQzAriH5qmVgQJg1dNVMXlAHL9+fYoVekgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:01:33.781487Z"},"content_sha256":"5212892c04cae9b25c717e2cfef5e07e4a395f140af5e177095bbc1602f9971c","schema_version":"1.0","event_id":"sha256:5212892c04cae9b25c717e2cfef5e07e4a395f140af5e177095bbc1602f9971c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:SET6MDZS22H3SJ2Y4HF4V26E5P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploration of hyperfine interaction between constituent quarks via eta productions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"H. S. Xu, Jun He, S. G. Yuan","submitted_at":"2011-05-09T08:41:36Z","abstract_excerpt":"In this work, the different exchange freedom, one gluon, one pion or Goldstone boson, in constituent quark model is investigated, which is responsible to the hyperfine interaction between constituent quarks, via the combined analysis of the eta production processes, $\\pi^{-}p\\rightarrow\\eta n$ and $\\gamma p\\rightarrow\\eta p$. With the Goldstone-boson exchange, as well as the one-gluon or one-pion exchange, both the spectrum and observables, such as, the differential cross section and polarized beam asymmetry, are fitted to the suggested values of Particle Data Group and the experimental data. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1600","kind":"arxiv","version":1},"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":"2026-05-18T02:43:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3CfPtHZQqgYk4kRVu+1u5vZPny3dXTxvywcNIIK91FTIYeSJgKE33feVFUGBBQXzbtNHIn2jTTWEwKeeiRL9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:01:33.782139Z"},"content_sha256":"8b694620fa2b8482e1099b554eef7e109b4c861e4c0990cea5c7479ae9c7b7c7","schema_version":"1.0","event_id":"sha256:8b694620fa2b8482e1099b554eef7e109b4c861e4c0990cea5c7479ae9c7b7c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SET6MDZS22H3SJ2Y4HF4V26E5P/bundle.json","state_url":"https://pith.science/pith/SET6MDZS22H3SJ2Y4HF4V26E5P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SET6MDZS22H3SJ2Y4HF4V26E5P/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":"2026-05-26T12:01:33Z","links":{"resolver":"https://pith.science/pith/SET6MDZS22H3SJ2Y4HF4V26E5P","bundle":"https://pith.science/pith/SET6MDZS22H3SJ2Y4HF4V26E5P/bundle.json","state":"https://pith.science/pith/SET6MDZS22H3SJ2Y4HF4V26E5P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SET6MDZS22H3SJ2Y4HF4V26E5P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:SET6MDZS22H3SJ2Y4HF4V26E5P","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":"f6a0749eb9d199e753cb7b0f2876aecedbe23b1fdb337795489515c720bbdd1f","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-05-09T08:41:36Z","title_canon_sha256":"97b4e552ae65501b8c8820ee97c5ae74fa20345b8a92f67e07fbe2348ae55679"},"schema_version":"1.0","source":{"id":"1105.1600","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.1600","created_at":"2026-05-18T02:43:59Z"},{"alias_kind":"arxiv_version","alias_value":"1105.1600v1","created_at":"2026-05-18T02:43:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1600","created_at":"2026-05-18T02:43:59Z"},{"alias_kind":"pith_short_12","alias_value":"SET6MDZS22H3","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SET6MDZS22H3SJ2Y","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SET6MDZS","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:8b694620fa2b8482e1099b554eef7e109b4c861e4c0990cea5c7479ae9c7b7c7","target":"graph","created_at":"2026-05-18T02:43:59Z","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 work, the different exchange freedom, one gluon, one pion or Goldstone boson, in constituent quark model is investigated, which is responsible to the hyperfine interaction between constituent quarks, via the combined analysis of the eta production processes, $\\pi^{-}p\\rightarrow\\eta n$ and $\\gamma p\\rightarrow\\eta p$. With the Goldstone-boson exchange, as well as the one-gluon or one-pion exchange, both the spectrum and observables, such as, the differential cross section and polarized beam asymmetry, are fitted to the suggested values of Particle Data Group and the experimental data. ","authors_text":"H. S. Xu, Jun He, S. G. Yuan","cross_cats":["hep-lat","hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-05-09T08:41:36Z","title":"Exploration of hyperfine interaction between constituent quarks via eta productions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1600","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":"sha256:5212892c04cae9b25c717e2cfef5e07e4a395f140af5e177095bbc1602f9971c","target":"record","created_at":"2026-05-18T02:43:59Z","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":"f6a0749eb9d199e753cb7b0f2876aecedbe23b1fdb337795489515c720bbdd1f","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-05-09T08:41:36Z","title_canon_sha256":"97b4e552ae65501b8c8820ee97c5ae74fa20345b8a92f67e07fbe2348ae55679"},"schema_version":"1.0","source":{"id":"1105.1600","kind":"arxiv","version":1}},"canonical_sha256":"9127e60f32d68fb92758e1cbcaebc4ebc41a82f902735373ec40a06c02856db3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9127e60f32d68fb92758e1cbcaebc4ebc41a82f902735373ec40a06c02856db3","first_computed_at":"2026-05-18T02:43:59.523785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:59.523785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"toBH2h+M5od6HfISv+8SaNiwbtmkq3uzT2MU8doO+jascaTJJs+ZB1TFTcRQmNAHMeeO99ph5C9/ynnANAbsAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:59.524263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.1600","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5212892c04cae9b25c717e2cfef5e07e4a395f140af5e177095bbc1602f9971c","sha256:8b694620fa2b8482e1099b554eef7e109b4c861e4c0990cea5c7479ae9c7b7c7"],"state_sha256":"f2cc989593b28f6f8cb40c416589b86db3a7a51d24dc6c615c8764f404dd1240"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y0Yh7eOhbS7eHxX2x7kZyfXQMId4zchMrEYdsWQvEP4zq4TJrrY664yam0d7eJSWG1g0vjqyMIhcM3ZpDW4jAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:01:33.785412Z","bundle_sha256":"5eff098da870dff4a7c4f9b6b2ca094c81122579a5c64813a76665eaf2efba49"}}