{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:O2IUEXXLXPWZRQL4FNH7KQXKHD","short_pith_number":"pith:O2IUEXXL","schema_version":"1.0","canonical_sha256":"7691425eebbbed98c17c2b4ff542ea38fd5dfeddd6d003c4609056f6637622c7","source":{"kind":"arxiv","id":"0705.0872","version":2},"attestation_state":"computed","paper":{"title":"Relativistic Tennis with Photons: Demonstration of Frequency Upshifting by a Relativistic Flying Mirror through Two Colliding Laser Pulses","license":"","headline":"","cross_cats":["physics.gen-ph"],"primary_cat":"physics.plasm-ph","authors_text":"A. Sagisaka, A. S. Pirozhkov, H. Daido, H. Kotaki, I. Daito, J. K. Koga, J. Ma, K. Ogura, L.-M. Chen, M. Kando, M. Mori, S. V. Bulanov, T. Homma, T. Kimura, T. Tajima, T. Zh. Esirkepov, Y. Fukuda, Y. Hayashi, Y. Kato","submitted_at":"2007-05-07T09:09:32Z","abstract_excerpt":"Since the advent of chirped pulse amplification1 the peak power of lasers has grown dramatically and opened the new branch of high field science, delivering the focused irradiance, electric fields of which drive electrons into the relativistic regime. In a plasma wake wave generated by such a laser, modulations of the electron density naturally and robustly take the shape of paraboloidal dense shells, separated by evacuated regions, moving almost at the speed of light. When we inject another counter-propagating laser pulse, it is partially reflected from the shells, acting as relativistic flyi"},"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":"0705.0872","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.plasm-ph","submitted_at":"2007-05-07T09:09:32Z","cross_cats_sorted":["physics.gen-ph"],"title_canon_sha256":"0d7f3c9a7d8bae65ca7d191400f0c67763e7a50fe01eec58c154ab342d6b278a","abstract_canon_sha256":"51ee9ff9e7434b6f61bf8f2425c931e8af7d8d10839d49420117f0e4f1d8f392"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:51.543538Z","signature_b64":"05PZNYrCJkBBy2h52swYl0mug+S7vpMRGoy8HLLaA6sScOV+u6KkzImh0WscRSN5+yqRg/uSCXn9tK8hl/BTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7691425eebbbed98c17c2b4ff542ea38fd5dfeddd6d003c4609056f6637622c7","last_reissued_at":"2026-05-18T03:24:51.542852Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:51.542852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Relativistic Tennis with Photons: Demonstration of Frequency Upshifting by a Relativistic Flying Mirror through Two Colliding Laser Pulses","license":"","headline":"","cross_cats":["physics.gen-ph"],"primary_cat":"physics.plasm-ph","authors_text":"A. Sagisaka, A. S. Pirozhkov, H. Daido, H. Kotaki, I. Daito, J. K. Koga, J. Ma, K. Ogura, L.-M. Chen, M. Kando, M. Mori, S. V. Bulanov, T. Homma, T. Kimura, T. Tajima, T. Zh. Esirkepov, Y. Fukuda, Y. Hayashi, Y. Kato","submitted_at":"2007-05-07T09:09:32Z","abstract_excerpt":"Since the advent of chirped pulse amplification1 the peak power of lasers has grown dramatically and opened the new branch of high field science, delivering the focused irradiance, electric fields of which drive electrons into the relativistic regime. In a plasma wake wave generated by such a laser, modulations of the electron density naturally and robustly take the shape of paraboloidal dense shells, separated by evacuated regions, moving almost at the speed of light. When we inject another counter-propagating laser pulse, it is partially reflected from the shells, acting as relativistic flyi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.0872","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":"0705.0872","created_at":"2026-05-18T03:24:51.542941+00:00"},{"alias_kind":"arxiv_version","alias_value":"0705.0872v2","created_at":"2026-05-18T03:24:51.542941+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.0872","created_at":"2026-05-18T03:24:51.542941+00:00"},{"alias_kind":"pith_short_12","alias_value":"O2IUEXXLXPWZ","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"O2IUEXXLXPWZRQL4","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"O2IUEXXL","created_at":"2026-05-18T12:25:55.427421+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/O2IUEXXLXPWZRQL4FNH7KQXKHD","json":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD.json","graph_json":"https://pith.science/api/pith-number/O2IUEXXLXPWZRQL4FNH7KQXKHD/graph.json","events_json":"https://pith.science/api/pith-number/O2IUEXXLXPWZRQL4FNH7KQXKHD/events.json","paper":"https://pith.science/paper/O2IUEXXL"},"agent_actions":{"view_html":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD","download_json":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD.json","view_paper":"https://pith.science/paper/O2IUEXXL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0705.0872&json=true","fetch_graph":"https://pith.science/api/pith-number/O2IUEXXLXPWZRQL4FNH7KQXKHD/graph.json","fetch_events":"https://pith.science/api/pith-number/O2IUEXXLXPWZRQL4FNH7KQXKHD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD/action/storage_attestation","attest_author":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD/action/author_attestation","sign_citation":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD/action/citation_signature","submit_replication":"https://pith.science/pith/O2IUEXXLXPWZRQL4FNH7KQXKHD/action/replication_record"}},"created_at":"2026-05-18T03:24:51.542941+00:00","updated_at":"2026-05-18T03:24:51.542941+00:00"}