{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UXJQFJJODM7CGNWXJCRIKXL2XX","short_pith_number":"pith:UXJQFJJO","canonical_record":{"source":{"id":"1510.01836","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-10-07T06:28:38Z","cross_cats_sorted":[],"title_canon_sha256":"bf686be5b702ec6bdca8e38748df3a50041b4d694c3baf84ac2ff23cb1e5ac38","abstract_canon_sha256":"0b47bc876411834f139478186381582acae4f830a26e0184fdb39b32cf616255"},"schema_version":"1.0"},"canonical_sha256":"a5d302a52e1b3e2336d748a2855d7abddf2d88a09c1db7a1fd9ccafd3fce61a9","source":{"kind":"arxiv","id":"1510.01836","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01836","created_at":"2026-05-18T01:30:50Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01836v1","created_at":"2026-05-18T01:30:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01836","created_at":"2026-05-18T01:30:50Z"},{"alias_kind":"pith_short_12","alias_value":"UXJQFJJODM7C","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UXJQFJJODM7CGNWX","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UXJQFJJO","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UXJQFJJODM7CGNWXJCRIKXL2XX","target":"record","payload":{"canonical_record":{"source":{"id":"1510.01836","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-10-07T06:28:38Z","cross_cats_sorted":[],"title_canon_sha256":"bf686be5b702ec6bdca8e38748df3a50041b4d694c3baf84ac2ff23cb1e5ac38","abstract_canon_sha256":"0b47bc876411834f139478186381582acae4f830a26e0184fdb39b32cf616255"},"schema_version":"1.0"},"canonical_sha256":"a5d302a52e1b3e2336d748a2855d7abddf2d88a09c1db7a1fd9ccafd3fce61a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:50.278031Z","signature_b64":"ByHJmqORv+6/Th+gPHHUCtSd3m/EpXx3vosERzbE9v0ikcQFVbROclYqiS9Outm4kQktUWlHuKa7RaNyazPoAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5d302a52e1b3e2336d748a2855d7abddf2d88a09c1db7a1fd9ccafd3fce61a9","last_reissued_at":"2026-05-18T01:30:50.277447Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:50.277447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.01836","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":"2026-05-18T01:30:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3yIHlbAfFM/1MAvcLFT+LaN7ru18xXpxiXrSvm9Jcjyftxx+KZ9BUPDn7EfVbQuORw/slLfNTTee0S+49NiwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:07:44.339349Z"},"content_sha256":"c54e336b5399a19234b0857db6658bf1e40f7ba9e5fb73e50a51e4603c9aa883","schema_version":"1.0","event_id":"sha256:c54e336b5399a19234b0857db6658bf1e40f7ba9e5fb73e50a51e4603c9aa883"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UXJQFJJODM7CGNWXJCRIKXL2XX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design Study on Medium beta SC Half-Wave Resonator at IMP","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"An-Dong Wu, Feng-Feng Wang, Hong-Wei Zhao, Ran Huang, Sheng-Hu Zhang, Sheng-Xue Zhang, Tian-Cai Jiang, Wei-Ming Yue, Yong-Ming Li, Yuan He","submitted_at":"2015-10-07T06:28:38Z","abstract_excerpt":"A superconducting half-wave resonator has been designed with the frequency of 325 MHz and beta of 0.51. Different geometry parameters and shapes of inner conductors (racetrack, ring-shape and elliptical-shape) were optimized to decrease the peak electromagnetic fields to obtain higher accelerating gradients and minimize the dissipated power on the cavity walls. To suppress the operation frequency shift caused by the helium pressure fluctuations and maximize the tuning ranges, the frequency shifts and mechanical properties were studied on the electric and magnetic areas separately. At the end, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01836","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":"2026-05-18T01:30:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zoIxDCywRqf3siO4a+eyqhZhslJB2ArMRR0JFEJt102vFjxGHKMF5tRwisCjnXiTpvRZbmibtt9Z8mm2rxUhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:07:44.339709Z"},"content_sha256":"54136751b0d915d9dc6af202c990805a63521e07d3dc2359f28d2c8f0cee5dd5","schema_version":"1.0","event_id":"sha256:54136751b0d915d9dc6af202c990805a63521e07d3dc2359f28d2c8f0cee5dd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UXJQFJJODM7CGNWXJCRIKXL2XX/bundle.json","state_url":"https://pith.science/pith/UXJQFJJODM7CGNWXJCRIKXL2XX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UXJQFJJODM7CGNWXJCRIKXL2XX/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":"2026-06-01T03:07:44Z","links":{"resolver":"https://pith.science/pith/UXJQFJJODM7CGNWXJCRIKXL2XX","bundle":"https://pith.science/pith/UXJQFJJODM7CGNWXJCRIKXL2XX/bundle.json","state":"https://pith.science/pith/UXJQFJJODM7CGNWXJCRIKXL2XX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UXJQFJJODM7CGNWXJCRIKXL2XX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UXJQFJJODM7CGNWXJCRIKXL2XX","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":"0b47bc876411834f139478186381582acae4f830a26e0184fdb39b32cf616255","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-10-07T06:28:38Z","title_canon_sha256":"bf686be5b702ec6bdca8e38748df3a50041b4d694c3baf84ac2ff23cb1e5ac38"},"schema_version":"1.0","source":{"id":"1510.01836","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01836","created_at":"2026-05-18T01:30:50Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01836v1","created_at":"2026-05-18T01:30:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01836","created_at":"2026-05-18T01:30:50Z"},{"alias_kind":"pith_short_12","alias_value":"UXJQFJJODM7C","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UXJQFJJODM7CGNWX","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UXJQFJJO","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:54136751b0d915d9dc6af202c990805a63521e07d3dc2359f28d2c8f0cee5dd5","target":"graph","created_at":"2026-05-18T01:30:50Z","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":"A superconducting half-wave resonator has been designed with the frequency of 325 MHz and beta of 0.51. Different geometry parameters and shapes of inner conductors (racetrack, ring-shape and elliptical-shape) were optimized to decrease the peak electromagnetic fields to obtain higher accelerating gradients and minimize the dissipated power on the cavity walls. To suppress the operation frequency shift caused by the helium pressure fluctuations and maximize the tuning ranges, the frequency shifts and mechanical properties were studied on the electric and magnetic areas separately. At the end, ","authors_text":"An-Dong Wu, Feng-Feng Wang, Hong-Wei Zhao, Ran Huang, Sheng-Hu Zhang, Sheng-Xue Zhang, Tian-Cai Jiang, Wei-Ming Yue, Yong-Ming Li, Yuan He","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-10-07T06:28:38Z","title":"Design Study on Medium beta SC Half-Wave Resonator at IMP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01836","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:c54e336b5399a19234b0857db6658bf1e40f7ba9e5fb73e50a51e4603c9aa883","target":"record","created_at":"2026-05-18T01:30:50Z","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":"0b47bc876411834f139478186381582acae4f830a26e0184fdb39b32cf616255","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-10-07T06:28:38Z","title_canon_sha256":"bf686be5b702ec6bdca8e38748df3a50041b4d694c3baf84ac2ff23cb1e5ac38"},"schema_version":"1.0","source":{"id":"1510.01836","kind":"arxiv","version":1}},"canonical_sha256":"a5d302a52e1b3e2336d748a2855d7abddf2d88a09c1db7a1fd9ccafd3fce61a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5d302a52e1b3e2336d748a2855d7abddf2d88a09c1db7a1fd9ccafd3fce61a9","first_computed_at":"2026-05-18T01:30:50.277447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:50.277447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ByHJmqORv+6/Th+gPHHUCtSd3m/EpXx3vosERzbE9v0ikcQFVbROclYqiS9Outm4kQktUWlHuKa7RaNyazPoAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:50.278031Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.01836","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c54e336b5399a19234b0857db6658bf1e40f7ba9e5fb73e50a51e4603c9aa883","sha256:54136751b0d915d9dc6af202c990805a63521e07d3dc2359f28d2c8f0cee5dd5"],"state_sha256":"299b82381c135e6bb949eca8b022eca2e05cf729417af2374915d05a84196649"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jf5O/Oe/xnoft9uXYL0wMxaOdWzZxGznTYFOHAf9voChH/wgmAgaY/an9a0yXsx+SikTPDPfqEmjitOPxdqWDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:07:44.342035Z","bundle_sha256":"aaf5368ee96a4478cc27d9601e08fb33e77fdfccfe349aad502a19f8af351136"}}