{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:LOEJFPD2O5E3KHGPTNBX55HWLD","short_pith_number":"pith:LOEJFPD2","schema_version":"1.0","canonical_sha256":"5b8892bc7a7749b51ccf9b437ef4f658c55486e97e1a0a0a5c2140d06cc23ac5","source":{"kind":"arxiv","id":"1412.7894","version":2},"attestation_state":"computed","paper":{"title":"Variation of Entanglement Entropy in Scattering Process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"I.Y. Park, Sang-Jin Sin, Shigenori Seki","submitted_at":"2014-12-26T05:38:27Z","abstract_excerpt":"In a scattering process, the final state is determined by an initial state and an S-matrix. We focus on two-particle scattering processes and consider the entanglement between these particles. For two types initial states; i.e., an unentangled state and an entangled one, we calculate perturbatively the change of entanglement entropy from the initial state to the final one. Then we show a few examples in a field theory and in quantum mechanics."},"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":"1412.7894","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-12-26T05:38:27Z","cross_cats_sorted":[],"title_canon_sha256":"7786ca5bcd38176feb8548de65eab1b8ed6a46fd984fd6b43e225bf623b967e5","abstract_canon_sha256":"89a8811188db6f39c7a03b1471da42eba4ebc674043741fe1d41ce28109d6468"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:02.217756Z","signature_b64":"3RV7oF8sXPYVIn14WfGyy7KM1xwmAxgoEJ2wZcOIi44bv2RXZ8jVn+ZXMMvFgRai8LMg9epC1zr5Z6VUxiR4Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b8892bc7a7749b51ccf9b437ef4f658c55486e97e1a0a0a5c2140d06cc23ac5","last_reissued_at":"2026-05-18T02:04:02.217046Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:02.217046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Variation of Entanglement Entropy in Scattering Process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"I.Y. Park, Sang-Jin Sin, Shigenori Seki","submitted_at":"2014-12-26T05:38:27Z","abstract_excerpt":"In a scattering process, the final state is determined by an initial state and an S-matrix. We focus on two-particle scattering processes and consider the entanglement between these particles. For two types initial states; i.e., an unentangled state and an entangled one, we calculate perturbatively the change of entanglement entropy from the initial state to the final one. Then we show a few examples in a field theory and in quantum mechanics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7894","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1412.7894","created_at":"2026-05-18T02:04:02.217158+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.7894v2","created_at":"2026-05-18T02:04:02.217158+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7894","created_at":"2026-05-18T02:04:02.217158+00:00"},{"alias_kind":"pith_short_12","alias_value":"LOEJFPD2O5E3","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_16","alias_value":"LOEJFPD2O5E3KHGP","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_8","alias_value":"LOEJFPD2","created_at":"2026-05-18T12:28:38.356838+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2402.16956","citing_title":"Positivity in Amplitudes and Quantum Entanglement","ref_index":50,"is_internal_anchor":true},{"citing_arxiv_id":"2605.22070","citing_title":"Symmetry Breaking as Quantum Gate: Entropy and Weak Mixing Angle","ref_index":15,"is_internal_anchor":true},{"citing_arxiv_id":"2510.04200","citing_title":"Qubit entanglement from forward scattering","ref_index":48,"is_internal_anchor":true},{"citing_arxiv_id":"2605.06907","citing_title":"A collider as a quantum computer","ref_index":28,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD","json":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD.json","graph_json":"https://pith.science/api/pith-number/LOEJFPD2O5E3KHGPTNBX55HWLD/graph.json","events_json":"https://pith.science/api/pith-number/LOEJFPD2O5E3KHGPTNBX55HWLD/events.json","paper":"https://pith.science/paper/LOEJFPD2"},"agent_actions":{"view_html":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD","download_json":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD.json","view_paper":"https://pith.science/paper/LOEJFPD2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.7894&json=true","fetch_graph":"https://pith.science/api/pith-number/LOEJFPD2O5E3KHGPTNBX55HWLD/graph.json","fetch_events":"https://pith.science/api/pith-number/LOEJFPD2O5E3KHGPTNBX55HWLD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD/action/storage_attestation","attest_author":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD/action/author_attestation","sign_citation":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD/action/citation_signature","submit_replication":"https://pith.science/pith/LOEJFPD2O5E3KHGPTNBX55HWLD/action/replication_record"}},"created_at":"2026-05-18T02:04:02.217158+00:00","updated_at":"2026-05-18T02:04:02.217158+00:00"}