{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:IHWA3QWYDYPLEWY722IDS52HUL","short_pith_number":"pith:IHWA3QWY","schema_version":"1.0","canonical_sha256":"41ec0dc2d81e1eb25b1fd690397747a2dbf2fc13f977803fb6c59ea9dac79ab0","source":{"kind":"arxiv","id":"1307.2706","version":2},"attestation_state":"computed","paper":{"title":"Electric dipole response of 208Pb from proton inelastic scattering: constraints on neutron skin thickness and symmetry energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Tamii, I. Poltoratska, P. von Neumann-Cosel","submitted_at":"2013-07-10T07:52:15Z","abstract_excerpt":"The electric dipole (E1) response of 208Pb has been precisely determined by measuring Coulomb excitation induced by proton scattering at very forward angles. The electric dipole polarizability, defined as inverse energy-weighted sum rule of the E1 strength, has been extracted as 20.1+-0.6 fm^3. The data can be used to constrain the neutron skin thickness of 208Pb to 0.168(+-0.009)_expt(+-0.013)_theo(+-0.021)_est fm, where the subscript \"expt\" refers to the experimental uncertainty, \"theor\" to the theoretical confidence band and \"est\" to the uncertainty associated with the estimation of the sym"},"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":"1307.2706","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-07-10T07:52:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"0d1315323fe9f8f0b1f73d051ae7a786c5b7809dfbc0e531172f9ede1313f8ba","abstract_canon_sha256":"2dc938ca85b86fc3cfd30c52defcc3590e549970cdae7f6701f2daa60843ce70"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:52.407986Z","signature_b64":"N+Mx2j46MeFtRy5CPnGQTLq5QtZ7Ewksg4eOnHHHt34wfzvOHKVhBrqptL5h733SYhqivKaBFqqBA7DVS5M0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41ec0dc2d81e1eb25b1fd690397747a2dbf2fc13f977803fb6c59ea9dac79ab0","last_reissued_at":"2026-05-18T01:48:52.407294Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:52.407294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electric dipole response of 208Pb from proton inelastic scattering: constraints on neutron skin thickness and symmetry energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Tamii, I. Poltoratska, P. von Neumann-Cosel","submitted_at":"2013-07-10T07:52:15Z","abstract_excerpt":"The electric dipole (E1) response of 208Pb has been precisely determined by measuring Coulomb excitation induced by proton scattering at very forward angles. The electric dipole polarizability, defined as inverse energy-weighted sum rule of the E1 strength, has been extracted as 20.1+-0.6 fm^3. The data can be used to constrain the neutron skin thickness of 208Pb to 0.168(+-0.009)_expt(+-0.013)_theo(+-0.021)_est fm, where the subscript \"expt\" refers to the experimental uncertainty, \"theor\" to the theoretical confidence band and \"est\" to the uncertainty associated with the estimation of the sym"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.2706","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":"1307.2706","created_at":"2026-05-18T01:48:52.407417+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.2706v2","created_at":"2026-05-18T01:48:52.407417+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.2706","created_at":"2026-05-18T01:48:52.407417+00:00"},{"alias_kind":"pith_short_12","alias_value":"IHWA3QWYDYPL","created_at":"2026-05-18T12:27:46.883200+00:00"},{"alias_kind":"pith_short_16","alias_value":"IHWA3QWYDYPLEWY7","created_at":"2026-05-18T12:27:46.883200+00:00"},{"alias_kind":"pith_short_8","alias_value":"IHWA3QWY","created_at":"2026-05-18T12:27:46.883200+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/IHWA3QWYDYPLEWY722IDS52HUL","json":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL.json","graph_json":"https://pith.science/api/pith-number/IHWA3QWYDYPLEWY722IDS52HUL/graph.json","events_json":"https://pith.science/api/pith-number/IHWA3QWYDYPLEWY722IDS52HUL/events.json","paper":"https://pith.science/paper/IHWA3QWY"},"agent_actions":{"view_html":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL","download_json":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL.json","view_paper":"https://pith.science/paper/IHWA3QWY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.2706&json=true","fetch_graph":"https://pith.science/api/pith-number/IHWA3QWYDYPLEWY722IDS52HUL/graph.json","fetch_events":"https://pith.science/api/pith-number/IHWA3QWYDYPLEWY722IDS52HUL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL/action/storage_attestation","attest_author":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL/action/author_attestation","sign_citation":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL/action/citation_signature","submit_replication":"https://pith.science/pith/IHWA3QWYDYPLEWY722IDS52HUL/action/replication_record"}},"created_at":"2026-05-18T01:48:52.407417+00:00","updated_at":"2026-05-18T01:48:52.407417+00:00"}