{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:Y5CPF6LELDIE44WJP3ELFTV75C","short_pith_number":"pith:Y5CPF6LE","schema_version":"1.0","canonical_sha256":"c744f2f96458d04e72c97ec8b2cebfe897286f8b8c477fcd09ab8fbcce71367a","source":{"kind":"arxiv","id":"nucl-th/0512048","version":1},"attestation_state":"computed","paper":{"title":"Schwinger functions and light-quark bound states, and sigma terms","license":"","headline":"","cross_cats":["hep-lat","hep-ph"],"primary_cat":"nucl-th","authors_text":"A. Hoell, C.D. Roberts, P. Maris, S.V. Wright","submitted_at":"2005-12-13T17:18:53Z","abstract_excerpt":"We explore the viability of using solely spacelike information about a Schwinger function to extract properties of bound states. In a concrete example it is not possible to determine properties of states with masses \\gsim 1.2 GeV. Modern Dyson-Schwinger equation methods supply a well-constrained tool that provide access to hadron masses and \\sigma-terms. We report values of the latter for a range of hadrons. Of interest is analysis relating to a u,d scalar meson, which is compatible with a picture of the lightest 0^{++} as a bound state of a dressed-quark and -antiquark supplemented by a mater"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"nucl-th/0512048","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2005-12-13T17:18:53Z","cross_cats_sorted":["hep-lat","hep-ph"],"title_canon_sha256":"c87c5dd72096ee1fbdb217e51a76060c50bfed606f26b7ea85fd19f29b021639","abstract_canon_sha256":"a0a6fe28a695a28aeee2c4d3ca29b9261b9410571e787f6ff3c84af2c29f809a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:17:55.134844Z","signature_b64":"xnC87nnnJ/aY00ONUT6w3Crg9GgjyiW0XVUFe2yK768d+A8AFs/yYn1rxlmO/5i9DbmY8ENn4xJBE9w2RQgJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c744f2f96458d04e72c97ec8b2cebfe897286f8b8c477fcd09ab8fbcce71367a","last_reissued_at":"2026-07-04T15:17:55.134435Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:17:55.134435Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Schwinger functions and light-quark bound states, and sigma terms","license":"","headline":"","cross_cats":["hep-lat","hep-ph"],"primary_cat":"nucl-th","authors_text":"A. Hoell, C.D. Roberts, P. Maris, S.V. Wright","submitted_at":"2005-12-13T17:18:53Z","abstract_excerpt":"We explore the viability of using solely spacelike information about a Schwinger function to extract properties of bound states. In a concrete example it is not possible to determine properties of states with masses \\gsim 1.2 GeV. Modern Dyson-Schwinger equation methods supply a well-constrained tool that provide access to hadron masses and \\sigma-terms. We report values of the latter for a range of hadrons. Of interest is analysis relating to a u,d scalar meson, which is compatible with a picture of the lightest 0^{++} as a bound state of a dressed-quark and -antiquark supplemented by a mater"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0512048","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-th/0512048/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0512048","created_at":"2026-07-04T15:17:55.134494+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0512048v1","created_at":"2026-07-04T15:17:55.134494+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0512048","created_at":"2026-07-04T15:17:55.134494+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y5CPF6LELDIE","created_at":"2026-07-04T15:17:55.134494+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y5CPF6LELDIE44WJ","created_at":"2026-07-04T15:17:55.134494+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y5CPF6LE","created_at":"2026-07-04T15:17:55.134494+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C","json":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C.json","graph_json":"https://pith.science/api/pith-number/Y5CPF6LELDIE44WJP3ELFTV75C/graph.json","events_json":"https://pith.science/api/pith-number/Y5CPF6LELDIE44WJP3ELFTV75C/events.json","paper":"https://pith.science/paper/Y5CPF6LE"},"agent_actions":{"view_html":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C","download_json":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C.json","view_paper":"https://pith.science/paper/Y5CPF6LE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-th/0512048&json=true","fetch_graph":"https://pith.science/api/pith-number/Y5CPF6LELDIE44WJP3ELFTV75C/graph.json","fetch_events":"https://pith.science/api/pith-number/Y5CPF6LELDIE44WJP3ELFTV75C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C/action/storage_attestation","attest_author":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C/action/author_attestation","sign_citation":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C/action/citation_signature","submit_replication":"https://pith.science/pith/Y5CPF6LELDIE44WJP3ELFTV75C/action/replication_record"}},"created_at":"2026-07-04T15:17:55.134494+00:00","updated_at":"2026-07-04T15:17:55.134494+00:00"}