{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:XP2UU4R4QSHYRGMQEMVUBQ3MJP","short_pith_number":"pith:XP2UU4R4","schema_version":"1.0","canonical_sha256":"bbf54a723c848f889990232b40c36c4bf1d47154cc85cac5aee1ad089a925d69","source":{"kind":"arxiv","id":"1211.2072","version":1},"attestation_state":"computed","paper":{"title":"Analysis of the scalar mesons on the Lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Chiho Nonaka, Masayuki Wakayama","submitted_at":"2012-11-09T08:31:45Z","abstract_excerpt":"We study the possibility that the scalar mesons exist as four-quark states. The energy shift of two pseudoscalar mesons as a function of spatial lattice size makes a distinction between bound states and scattering states of four-quark states. We calculate the four-quark state in the quenched approximation, ignoring the two-quark annihilation diagrams and the vacuum channels. We perform a calculation of pseudoscalar meson scattering amplitudes, using N_f=2 Wilson fermion and plaquette/Iwasaki gauge actions. We obtain the indication that the four-quark states in the case of the isospin zero (I=0"},"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":"1211.2072","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-11-09T08:31:45Z","cross_cats_sorted":[],"title_canon_sha256":"8b8c196c9bee101dbe60802bdc4b01069e06d453a8abed5508984f50429afe2e","abstract_canon_sha256":"708f7eaee22bf55d0ffd593dc7e214223f6c428bb35aea554fa60c196aaa7981"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:11.788853Z","signature_b64":"xfi6nu0JEFz+/W0EZ/crVMu2h+JE8gbOONM71NiV4ilhOjGhcI2QvldyYBJ6qfOXTlmbXCXomVx2InFZdPXdCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbf54a723c848f889990232b40c36c4bf1d47154cc85cac5aee1ad089a925d69","last_reissued_at":"2026-05-18T03:41:11.788435Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:11.788435Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Analysis of the scalar mesons on the Lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Chiho Nonaka, Masayuki Wakayama","submitted_at":"2012-11-09T08:31:45Z","abstract_excerpt":"We study the possibility that the scalar mesons exist as four-quark states. The energy shift of two pseudoscalar mesons as a function of spatial lattice size makes a distinction between bound states and scattering states of four-quark states. We calculate the four-quark state in the quenched approximation, ignoring the two-quark annihilation diagrams and the vacuum channels. We perform a calculation of pseudoscalar meson scattering amplitudes, using N_f=2 Wilson fermion and plaquette/Iwasaki gauge actions. We obtain the indication that the four-quark states in the case of the isospin zero (I=0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2072","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1211.2072","created_at":"2026-05-18T03:41:11.788499+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.2072v1","created_at":"2026-05-18T03:41:11.788499+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2072","created_at":"2026-05-18T03:41:11.788499+00:00"},{"alias_kind":"pith_short_12","alias_value":"XP2UU4R4QSHY","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_16","alias_value":"XP2UU4R4QSHYRGMQ","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_8","alias_value":"XP2UU4R4","created_at":"2026-05-18T12:27:27.928770+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/XP2UU4R4QSHYRGMQEMVUBQ3MJP","json":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP.json","graph_json":"https://pith.science/api/pith-number/XP2UU4R4QSHYRGMQEMVUBQ3MJP/graph.json","events_json":"https://pith.science/api/pith-number/XP2UU4R4QSHYRGMQEMVUBQ3MJP/events.json","paper":"https://pith.science/paper/XP2UU4R4"},"agent_actions":{"view_html":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP","download_json":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP.json","view_paper":"https://pith.science/paper/XP2UU4R4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.2072&json=true","fetch_graph":"https://pith.science/api/pith-number/XP2UU4R4QSHYRGMQEMVUBQ3MJP/graph.json","fetch_events":"https://pith.science/api/pith-number/XP2UU4R4QSHYRGMQEMVUBQ3MJP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP/action/storage_attestation","attest_author":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP/action/author_attestation","sign_citation":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP/action/citation_signature","submit_replication":"https://pith.science/pith/XP2UU4R4QSHYRGMQEMVUBQ3MJP/action/replication_record"}},"created_at":"2026-05-18T03:41:11.788499+00:00","updated_at":"2026-05-18T03:41:11.788499+00:00"}