{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:MJKFURHVENL44JD4Y6NPDIEGYH","short_pith_number":"pith:MJKFURHV","schema_version":"1.0","canonical_sha256":"62545a44f52357ce247cc79af1a086c1f6938148bef3d5b2114fe7a9dfbdf97c","source":{"kind":"arxiv","id":"2503.21976","version":1},"attestation_state":"computed","paper":{"title":"Creating attosecond breathing ions by coherent shake-up","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"James Tarrant, Marco Ruberti, Margarita Khokhlova, P\\v{r}emysl Koloren\\v{c}, Vitali Averbukh","submitted_at":"2025-03-27T20:44:08Z","abstract_excerpt":"Shake-up is a fundamental phenomenon in photoionisation of many-electron systems whereby the ionisation of one electron is accompanied by the simultaneous excitation of another. As a single-photon two-electron excitation, it is the most basic manifestation of electron correlation in nature. In a standard experiment using, for example, a synchrotron light source, shake-up states are populated incoherently and their relative excitation intensities describe the process completely. In this work, we use high-accuracy ab initio theoretical methods to show that the physics of shake-up differs qualita"},"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":"2503.21976","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-03-27T20:44:08Z","cross_cats_sorted":[],"title_canon_sha256":"54368b4a6f61d8ee4659f35f569b47178b7fed5fd01b85a2f0c11004f3e57b49","abstract_canon_sha256":"feda70fcfedb4696f446b87111dfab9fa902bdb81e1414dc970a80f0479440d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:40:45.282412Z","signature_b64":"TwJq9op1IeJyW3/qkxdkYp7Ov/erR15iaWw5A+srHmCsM3faa4vYzwelqCmOC4VZNasSQrGBqUFBYX4O9ILyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62545a44f52357ce247cc79af1a086c1f6938148bef3d5b2114fe7a9dfbdf97c","last_reissued_at":"2026-07-05T10:40:45.281997Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:40:45.281997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Creating attosecond breathing ions by coherent shake-up","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"James Tarrant, Marco Ruberti, Margarita Khokhlova, P\\v{r}emysl Koloren\\v{c}, Vitali Averbukh","submitted_at":"2025-03-27T20:44:08Z","abstract_excerpt":"Shake-up is a fundamental phenomenon in photoionisation of many-electron systems whereby the ionisation of one electron is accompanied by the simultaneous excitation of another. As a single-photon two-electron excitation, it is the most basic manifestation of electron correlation in nature. In a standard experiment using, for example, a synchrotron light source, shake-up states are populated incoherently and their relative excitation intensities describe the process completely. In this work, we use high-accuracy ab initio theoretical methods to show that the physics of shake-up differs qualita"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.21976","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/2503.21976/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":"2503.21976","created_at":"2026-07-05T10:40:45.282055+00:00"},{"alias_kind":"arxiv_version","alias_value":"2503.21976v1","created_at":"2026-07-05T10:40:45.282055+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.21976","created_at":"2026-07-05T10:40:45.282055+00:00"},{"alias_kind":"pith_short_12","alias_value":"MJKFURHVENL4","created_at":"2026-07-05T10:40:45.282055+00:00"},{"alias_kind":"pith_short_16","alias_value":"MJKFURHVENL44JD4","created_at":"2026-07-05T10:40:45.282055+00:00"},{"alias_kind":"pith_short_8","alias_value":"MJKFURHV","created_at":"2026-07-05T10:40:45.282055+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/MJKFURHVENL44JD4Y6NPDIEGYH","json":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH.json","graph_json":"https://pith.science/api/pith-number/MJKFURHVENL44JD4Y6NPDIEGYH/graph.json","events_json":"https://pith.science/api/pith-number/MJKFURHVENL44JD4Y6NPDIEGYH/events.json","paper":"https://pith.science/paper/MJKFURHV"},"agent_actions":{"view_html":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH","download_json":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH.json","view_paper":"https://pith.science/paper/MJKFURHV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2503.21976&json=true","fetch_graph":"https://pith.science/api/pith-number/MJKFURHVENL44JD4Y6NPDIEGYH/graph.json","fetch_events":"https://pith.science/api/pith-number/MJKFURHVENL44JD4Y6NPDIEGYH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH/action/storage_attestation","attest_author":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH/action/author_attestation","sign_citation":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH/action/citation_signature","submit_replication":"https://pith.science/pith/MJKFURHVENL44JD4Y6NPDIEGYH/action/replication_record"}},"created_at":"2026-07-05T10:40:45.282055+00:00","updated_at":"2026-07-05T10:40:45.282055+00:00"}