{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:75XNR4Q4RWOEOFBDAUA6DQKINL","short_pith_number":"pith:75XNR4Q4","schema_version":"1.0","canonical_sha256":"ff6ed8f21c8d9c4714230501e1c1486ac4c22a77146816f4a938400674cc840d","source":{"kind":"arxiv","id":"2108.06237","version":2},"attestation_state":"computed","paper":{"title":"Radio-Frequency (RF) Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.acc-ph","authors_text":"Geneva, Heiko Damerau (CERN, Switzerland)","submitted_at":"2021-08-13T13:37:27Z","abstract_excerpt":"Radio-frequency (RF) systems deliver the power to change the energy of a charged particle beam, and they are integral parts of linear and circular accelerators. A longitudinal electrical field in the direction of the beam is generated in a resonant structure, the RF cavity. As it directly interacts with the bunches of charged particles, the cavity can be considered as a coupler to transport energy from an RF power power amplifier to the beam. The power amplifier itself is driven by a low-level RF system assuring that frequency and phase are suitable for acceleration, and feedback loops improve"},"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":"2108.06237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2021-08-13T13:37:27Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"327cdeadf8763b4edb10f4d93bfa2a9157acf80a0338ff1e30893a825d9e63b7","abstract_canon_sha256":"20cf8633ad6dd330bab47e26bf87707bcd4a876841e8d46b8e31f850578ec803"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:49:41.441971Z","signature_b64":"N36HKZTp/vswjICpewz7x+KgvQ3jidAlAmN4m6JpUpMG+/bhVBlQgioRLMrEECM5ocvEQQBXCZqNVu4pvQ/ICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff6ed8f21c8d9c4714230501e1c1486ac4c22a77146816f4a938400674cc840d","last_reissued_at":"2026-07-05T03:49:41.441615Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:49:41.441615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radio-Frequency (RF) Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.acc-ph","authors_text":"Geneva, Heiko Damerau (CERN, Switzerland)","submitted_at":"2021-08-13T13:37:27Z","abstract_excerpt":"Radio-frequency (RF) systems deliver the power to change the energy of a charged particle beam, and they are integral parts of linear and circular accelerators. A longitudinal electrical field in the direction of the beam is generated in a resonant structure, the RF cavity. As it directly interacts with the bunches of charged particles, the cavity can be considered as a coupler to transport energy from an RF power power amplifier to the beam. The power amplifier itself is driven by a low-level RF system assuring that frequency and phase are suitable for acceleration, and feedback loops improve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.06237","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.06237/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":"2108.06237","created_at":"2026-07-05T03:49:41.441671+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.06237v2","created_at":"2026-07-05T03:49:41.441671+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.06237","created_at":"2026-07-05T03:49:41.441671+00:00"},{"alias_kind":"pith_short_12","alias_value":"75XNR4Q4RWOE","created_at":"2026-07-05T03:49:41.441671+00:00"},{"alias_kind":"pith_short_16","alias_value":"75XNR4Q4RWOEOFBD","created_at":"2026-07-05T03:49:41.441671+00:00"},{"alias_kind":"pith_short_8","alias_value":"75XNR4Q4","created_at":"2026-07-05T03:49:41.441671+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2509.17255","citing_title":"Agentic Artificial Intelligence for Multistage Physics Experiments at a Large-Scale User Facility Particle Accelerator","ref_index":7,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL","json":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL.json","graph_json":"https://pith.science/api/pith-number/75XNR4Q4RWOEOFBDAUA6DQKINL/graph.json","events_json":"https://pith.science/api/pith-number/75XNR4Q4RWOEOFBDAUA6DQKINL/events.json","paper":"https://pith.science/paper/75XNR4Q4"},"agent_actions":{"view_html":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL","download_json":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL.json","view_paper":"https://pith.science/paper/75XNR4Q4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.06237&json=true","fetch_graph":"https://pith.science/api/pith-number/75XNR4Q4RWOEOFBDAUA6DQKINL/graph.json","fetch_events":"https://pith.science/api/pith-number/75XNR4Q4RWOEOFBDAUA6DQKINL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL/action/storage_attestation","attest_author":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL/action/author_attestation","sign_citation":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL/action/citation_signature","submit_replication":"https://pith.science/pith/75XNR4Q4RWOEOFBDAUA6DQKINL/action/replication_record"}},"created_at":"2026-07-05T03:49:41.441671+00:00","updated_at":"2026-07-05T03:49:41.441671+00:00"}