{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YHLKWDEF6NA6W2CPOUK5IUTRH2","short_pith_number":"pith:YHLKWDEF","canonical_record":{"source":{"id":"1805.02398","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-05-07T08:31:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"e31eb9bd6a2e2b31da3639d9a8f07fa4443b89b0af25083f136a64b38ce8605b","abstract_canon_sha256":"e28ca418f97c271126e9eba0fd7ef37474fc1e26bc12216dca483183262e430a"},"schema_version":"1.0"},"canonical_sha256":"c1d6ab0c85f341eb684f7515d452713e90609cc1937ff9d850f437e4390209a3","source":{"kind":"arxiv","id":"1805.02398","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02398","created_at":"2026-05-17T23:51:14Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02398v1","created_at":"2026-05-17T23:51:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02398","created_at":"2026-05-17T23:51:14Z"},{"alias_kind":"pith_short_12","alias_value":"YHLKWDEF6NA6","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YHLKWDEF6NA6W2CP","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YHLKWDEF","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YHLKWDEF6NA6W2CPOUK5IUTRH2","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02398","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-05-07T08:31:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"e31eb9bd6a2e2b31da3639d9a8f07fa4443b89b0af25083f136a64b38ce8605b","abstract_canon_sha256":"e28ca418f97c271126e9eba0fd7ef37474fc1e26bc12216dca483183262e430a"},"schema_version":"1.0"},"canonical_sha256":"c1d6ab0c85f341eb684f7515d452713e90609cc1937ff9d850f437e4390209a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:14.583434Z","signature_b64":"PHAujDE5A7gAtwfhkouJt1o8Xv9vDNucOxLjxrQus7iX75YLlMtAT0EqoX3d697eE9t0Y3ERVxLs3obx54n/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1d6ab0c85f341eb684f7515d452713e90609cc1937ff9d850f437e4390209a3","last_reissued_at":"2026-05-17T23:51:14.582936Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:14.582936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02398","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:51:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yJ+VUQ0TovdEOovA2h76sHrgpAMQ6/LgnXvuVuH1e/BHk+0LrGXTBir+QgrS9EtqlmVYa99meh+Jtxu3AlJqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T17:17:08.856265Z"},"content_sha256":"6dcfded4bf82be8b58a4ac47730702ac51c9df5a9ccdec23b3c1e9a14bfee613","schema_version":"1.0","event_id":"sha256:6dcfded4bf82be8b58a4ac47730702ac51c9df5a9ccdec23b3c1e9a14bfee613"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YHLKWDEF6NA6W2CPOUK5IUTRH2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Frequency Jump at Low Energies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.acc-ph","authors_text":"Chuan Zhang, Holger Podlech","submitted_at":"2018-05-07T08:31:11Z","abstract_excerpt":"One or more radio-frequency jumps are usually necessary for realizing a >= 100 AMeV/u proton or ion driver linac. Typically, such jumps happen in the range of \\b{eta} = 0.2-0.6 between the resonator structures fitting to this \\b{eta}-range, e.g. DTL, HWR, CCL or elliptical cavities. We propose to perform the first frequency jump already at low energies (\\b{eta} <= 0.1) between two RFQ accelerators, which can bring some unique advantages. First studies have been performed and the results proved that this idea is feasible and promising. Many efforts have been and are being made to address the mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02398","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:51:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jcvm7BErhXHx6z99uZhiLDM/GzZnearz1xxJN0paZsncG6nDoAyWfoJLNMcsPwqEhKQVAeNblI3RLqZ3GRkfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T17:17:08.856634Z"},"content_sha256":"0faf819a51b56566a6d1e3b26a62a223f459dce4d0c983aa46e21061d62cd454","schema_version":"1.0","event_id":"sha256:0faf819a51b56566a6d1e3b26a62a223f459dce4d0c983aa46e21061d62cd454"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2/bundle.json","state_url":"https://pith.science/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-27T17:17:08Z","links":{"resolver":"https://pith.science/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2","bundle":"https://pith.science/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2/bundle.json","state":"https://pith.science/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YHLKWDEF6NA6W2CPOUK5IUTRH2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YHLKWDEF6NA6W2CPOUK5IUTRH2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e28ca418f97c271126e9eba0fd7ef37474fc1e26bc12216dca483183262e430a","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-05-07T08:31:11Z","title_canon_sha256":"e31eb9bd6a2e2b31da3639d9a8f07fa4443b89b0af25083f136a64b38ce8605b"},"schema_version":"1.0","source":{"id":"1805.02398","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02398","created_at":"2026-05-17T23:51:14Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02398v1","created_at":"2026-05-17T23:51:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02398","created_at":"2026-05-17T23:51:14Z"},{"alias_kind":"pith_short_12","alias_value":"YHLKWDEF6NA6","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YHLKWDEF6NA6W2CP","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YHLKWDEF","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:0faf819a51b56566a6d1e3b26a62a223f459dce4d0c983aa46e21061d62cd454","target":"graph","created_at":"2026-05-17T23:51:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"One or more radio-frequency jumps are usually necessary for realizing a >= 100 AMeV/u proton or ion driver linac. Typically, such jumps happen in the range of \\b{eta} = 0.2-0.6 between the resonator structures fitting to this \\b{eta}-range, e.g. DTL, HWR, CCL or elliptical cavities. We propose to perform the first frequency jump already at low energies (\\b{eta} <= 0.1) between two RFQ accelerators, which can bring some unique advantages. First studies have been performed and the results proved that this idea is feasible and promising. Many efforts have been and are being made to address the mo","authors_text":"Chuan Zhang, Holger Podlech","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-05-07T08:31:11Z","title":"Frequency Jump at Low Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02398","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6dcfded4bf82be8b58a4ac47730702ac51c9df5a9ccdec23b3c1e9a14bfee613","target":"record","created_at":"2026-05-17T23:51:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e28ca418f97c271126e9eba0fd7ef37474fc1e26bc12216dca483183262e430a","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-05-07T08:31:11Z","title_canon_sha256":"e31eb9bd6a2e2b31da3639d9a8f07fa4443b89b0af25083f136a64b38ce8605b"},"schema_version":"1.0","source":{"id":"1805.02398","kind":"arxiv","version":1}},"canonical_sha256":"c1d6ab0c85f341eb684f7515d452713e90609cc1937ff9d850f437e4390209a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1d6ab0c85f341eb684f7515d452713e90609cc1937ff9d850f437e4390209a3","first_computed_at":"2026-05-17T23:51:14.582936Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:14.582936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PHAujDE5A7gAtwfhkouJt1o8Xv9vDNucOxLjxrQus7iX75YLlMtAT0EqoX3d697eE9t0Y3ERVxLs3obx54n/Cg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:14.583434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02398","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dcfded4bf82be8b58a4ac47730702ac51c9df5a9ccdec23b3c1e9a14bfee613","sha256:0faf819a51b56566a6d1e3b26a62a223f459dce4d0c983aa46e21061d62cd454"],"state_sha256":"99a3818d697f624a2583fe4fe91e2889ddaef937472ded14cbd5ff18c9088162"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VDG62pvGjuIuzhI3LkeaOnSVlqxVs0Us2a3TXIrghSJhV7V0gGCsKOZoQRXE3iwmLTMCNQ2hMtMVNATwb+1JBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T17:17:08.858531Z","bundle_sha256":"1981f1526a6786a19d70cb75a556c7a6669dc8fdd88614201da5210c974b143a"}}