{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JTB4Y4GNQP2ISEGQ6SSIPGOC2K","short_pith_number":"pith:JTB4Y4GN","canonical_record":{"source":{"id":"1604.02799","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-04-11T05:56:57Z","cross_cats_sorted":[],"title_canon_sha256":"969daa7b4c3da88f9ba3811400a8dd3e5c53964685ede018439fb45b4af01908","abstract_canon_sha256":"1f22e4ca6ea9c0d3f1878195cb9d2818b04dd3da2fd2b6cc9d81430a6dca01a8"},"schema_version":"1.0"},"canonical_sha256":"4cc3cc70cd83f48910d0f4a48799c2d2bf78b770cc4f015a22bfd17e2fe70152","source":{"kind":"arxiv","id":"1604.02799","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.02799","created_at":"2026-05-18T01:17:22Z"},{"alias_kind":"arxiv_version","alias_value":"1604.02799v1","created_at":"2026-05-18T01:17:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.02799","created_at":"2026-05-18T01:17:22Z"},{"alias_kind":"pith_short_12","alias_value":"JTB4Y4GNQP2I","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JTB4Y4GNQP2ISEGQ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JTB4Y4GN","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JTB4Y4GNQP2ISEGQ6SSIPGOC2K","target":"record","payload":{"canonical_record":{"source":{"id":"1604.02799","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-04-11T05:56:57Z","cross_cats_sorted":[],"title_canon_sha256":"969daa7b4c3da88f9ba3811400a8dd3e5c53964685ede018439fb45b4af01908","abstract_canon_sha256":"1f22e4ca6ea9c0d3f1878195cb9d2818b04dd3da2fd2b6cc9d81430a6dca01a8"},"schema_version":"1.0"},"canonical_sha256":"4cc3cc70cd83f48910d0f4a48799c2d2bf78b770cc4f015a22bfd17e2fe70152","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:22.126707Z","signature_b64":"klFm+hiugzsTUPE/U5J1KD9XNclc04CzbddqH20FjQVyckvJECJhKxDHv8DZF+aB+9KBcW0c7MA/RNFFm97pCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4cc3cc70cd83f48910d0f4a48799c2d2bf78b770cc4f015a22bfd17e2fe70152","last_reissued_at":"2026-05-18T01:17:22.126193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:22.126193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.02799","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":"2026-05-18T01:17:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZFiQZJxWi7iovcUu/pdK7z+qZ4HYnwZ+OmlXD0hPtZlmc3sm0noZ9POgx0coD9y9wgg9urSrNytUeGyt1fo2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:04:40.990426Z"},"content_sha256":"9ae7e4c77282de8a60909193b6041bf006aad1c72d6f02885975536ccb69e836","schema_version":"1.0","event_id":"sha256:9ae7e4c77282de8a60909193b6041bf006aad1c72d6f02885975536ccb69e836"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JTB4Y4GNQP2ISEGQ6SSIPGOC2K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design study of a beta=0.09 high current superconducting half wave resonator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Feng Zhu, Hu-Tan-Xiang Zhong, Ke-Xin Liu, Pei-Liang Fan, Sheng-Wen Quan","submitted_at":"2016-04-11T05:56:57Z","abstract_excerpt":"There's presently a growing demand for high current proton and deuteron linear accelerators based on superconducting technology to better support various fields of science. A \\b{eta}=0.09 162.5 MHz high current superconducting half wave resonator (HWR) has been designed at Peking University to accelerate 100 mA proton beam or 50 mA deuteron beam after the RFQ accelerating structure. The detailed electromagnetic design, multipacting simulation, mechanical analysis of the cavity will be given in this paper."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.02799","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":"2026-05-18T01:17:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gNHyGVh2+EXfpzwQ4iUHpqAweN58YZ5ICJXkkXkBWh8+ST+CzU4sxuzeJgUvEmVXp169AmLqSVMIRfLx83jSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:04:40.990780Z"},"content_sha256":"392c9bdc7ee4bd15251af80d22e9d585a05a9f1ceddff7cd8085b51db9ddb612","schema_version":"1.0","event_id":"sha256:392c9bdc7ee4bd15251af80d22e9d585a05a9f1ceddff7cd8085b51db9ddb612"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K/bundle.json","state_url":"https://pith.science/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K/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":"2026-06-03T12:04:40Z","links":{"resolver":"https://pith.science/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K","bundle":"https://pith.science/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K/bundle.json","state":"https://pith.science/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JTB4Y4GNQP2ISEGQ6SSIPGOC2K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JTB4Y4GNQP2ISEGQ6SSIPGOC2K","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":"1f22e4ca6ea9c0d3f1878195cb9d2818b04dd3da2fd2b6cc9d81430a6dca01a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-04-11T05:56:57Z","title_canon_sha256":"969daa7b4c3da88f9ba3811400a8dd3e5c53964685ede018439fb45b4af01908"},"schema_version":"1.0","source":{"id":"1604.02799","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.02799","created_at":"2026-05-18T01:17:22Z"},{"alias_kind":"arxiv_version","alias_value":"1604.02799v1","created_at":"2026-05-18T01:17:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.02799","created_at":"2026-05-18T01:17:22Z"},{"alias_kind":"pith_short_12","alias_value":"JTB4Y4GNQP2I","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JTB4Y4GNQP2ISEGQ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JTB4Y4GN","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:392c9bdc7ee4bd15251af80d22e9d585a05a9f1ceddff7cd8085b51db9ddb612","target":"graph","created_at":"2026-05-18T01:17:22Z","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":"There's presently a growing demand for high current proton and deuteron linear accelerators based on superconducting technology to better support various fields of science. A \\b{eta}=0.09 162.5 MHz high current superconducting half wave resonator (HWR) has been designed at Peking University to accelerate 100 mA proton beam or 50 mA deuteron beam after the RFQ accelerating structure. The detailed electromagnetic design, multipacting simulation, mechanical analysis of the cavity will be given in this paper.","authors_text":"Feng Zhu, Hu-Tan-Xiang Zhong, Ke-Xin Liu, Pei-Liang Fan, Sheng-Wen Quan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-04-11T05:56:57Z","title":"Design study of a beta=0.09 high current superconducting half wave resonator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.02799","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":"sha256:9ae7e4c77282de8a60909193b6041bf006aad1c72d6f02885975536ccb69e836","target":"record","created_at":"2026-05-18T01:17:22Z","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":"1f22e4ca6ea9c0d3f1878195cb9d2818b04dd3da2fd2b6cc9d81430a6dca01a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-04-11T05:56:57Z","title_canon_sha256":"969daa7b4c3da88f9ba3811400a8dd3e5c53964685ede018439fb45b4af01908"},"schema_version":"1.0","source":{"id":"1604.02799","kind":"arxiv","version":1}},"canonical_sha256":"4cc3cc70cd83f48910d0f4a48799c2d2bf78b770cc4f015a22bfd17e2fe70152","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4cc3cc70cd83f48910d0f4a48799c2d2bf78b770cc4f015a22bfd17e2fe70152","first_computed_at":"2026-05-18T01:17:22.126193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:22.126193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"klFm+hiugzsTUPE/U5J1KD9XNclc04CzbddqH20FjQVyckvJECJhKxDHv8DZF+aB+9KBcW0c7MA/RNFFm97pCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:22.126707Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.02799","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ae7e4c77282de8a60909193b6041bf006aad1c72d6f02885975536ccb69e836","sha256:392c9bdc7ee4bd15251af80d22e9d585a05a9f1ceddff7cd8085b51db9ddb612"],"state_sha256":"de1f965c6fd8545bb3786114edc02f443264f64150d92bb9311c4b7948f538e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w96Dw7TibGPHOEeg9nfOeVsXBQpsqbMc8PFfbPzCO7ghgYzrfeA2kv/NQ34v7rJQvyNmopqD8J3FvCass4FJCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:04:40.992770Z","bundle_sha256":"ae4c536d117d6e9c323479f99b03fd04cfdfb419038649a9c9963c1a00e1f839"}}