{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:THX2MBY76DT5T65WKQ3TBOBS3N","short_pith_number":"pith:THX2MBY7","canonical_record":{"source":{"id":"1305.0994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-05-05T09:13:57Z","cross_cats_sorted":[],"title_canon_sha256":"ff6f99250c567dcf123888ab760e831372134a7ccb8554ae69c362365bf1e01a","abstract_canon_sha256":"abe273a22aac8fc42563c6ac521dbbe9ca64f94b7438b117be17623b889eff6c"},"schema_version":"1.0"},"canonical_sha256":"99efa6071ff0e7d9fbb6543730b832db4175d19a568b33931b1eb0209bfb30e3","source":{"kind":"arxiv","id":"1305.0994","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0994","created_at":"2026-05-18T01:30:49Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0994v1","created_at":"2026-05-18T01:30:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0994","created_at":"2026-05-18T01:30:49Z"},{"alias_kind":"pith_short_12","alias_value":"THX2MBY76DT5","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"THX2MBY76DT5T65W","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"THX2MBY7","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:THX2MBY76DT5T65WKQ3TBOBS3N","target":"record","payload":{"canonical_record":{"source":{"id":"1305.0994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-05-05T09:13:57Z","cross_cats_sorted":[],"title_canon_sha256":"ff6f99250c567dcf123888ab760e831372134a7ccb8554ae69c362365bf1e01a","abstract_canon_sha256":"abe273a22aac8fc42563c6ac521dbbe9ca64f94b7438b117be17623b889eff6c"},"schema_version":"1.0"},"canonical_sha256":"99efa6071ff0e7d9fbb6543730b832db4175d19a568b33931b1eb0209bfb30e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:49.503571Z","signature_b64":"5qU4z3WRl+qUa24ybweR+8il8MtELfab2/joO8HwvfBQGV0qYo6mW5zCcetEhS8t2mh/GrBX02RmJVGq2IW/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99efa6071ff0e7d9fbb6543730b832db4175d19a568b33931b1eb0209bfb30e3","last_reissued_at":"2026-05-18T01:30:49.503167Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:49.503167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.0994","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":"2026-05-18T01:30:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cFHLHoIi4Nzoj72Me5gxvyec8KzKJOb19j3AdxUn31CONLrG4DFfw9+tFnnPc9fO6NxfrIrEsTOn58rgsntJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T09:07:56.582817Z"},"content_sha256":"ab20fc9c64cde743fddf5dd2114fffafaebe10d71d0af099fc7e62d33e0e3bf9","schema_version":"1.0","event_id":"sha256:ab20fc9c64cde743fddf5dd2114fffafaebe10d71d0af099fc7e62d33e0e3bf9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:THX2MBY76DT5T65WKQ3TBOBS3N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pulsed sextupole injection for Beijing Advanced Photon Source with ultralow emittance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Gang Xu, Yi Jiao","submitted_at":"2013-05-05T09:13:57Z","abstract_excerpt":"In this paper we present the physical design of the pulsed sextupole injection system for Beijing Advanced Photon Source (BAPS) with an ultralow emittance. The BAPS ring lattice is designed in such a way that two options of pulsed sextupole injection are allowed, i.e., with septum and pulsed sextupole in different drift spaces or in the same drift space. We give the magnetic parameters of the injection system and the optimal condition of the optical functions for both options. In addition, we find that the pulsed sextupole induces position-dependent dispersive effect and causes non-ignorable e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0994","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":"2026-05-18T01:30:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d0KVzEVZI2++hXlYNi0SRrgG9MWi7ETRaSflPeHi6l0/NPulNuo9ZYJ+WdDl9s/L0B+pSGYXIPQhlvisic66Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T09:07:56.583504Z"},"content_sha256":"0222ad366600841a7e735d77667bef3c635017ef2e0aa1c527739ece1f746e70","schema_version":"1.0","event_id":"sha256:0222ad366600841a7e735d77667bef3c635017ef2e0aa1c527739ece1f746e70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/THX2MBY76DT5T65WKQ3TBOBS3N/bundle.json","state_url":"https://pith.science/pith/THX2MBY76DT5T65WKQ3TBOBS3N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/THX2MBY76DT5T65WKQ3TBOBS3N/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":"2026-06-06T09:07:56Z","links":{"resolver":"https://pith.science/pith/THX2MBY76DT5T65WKQ3TBOBS3N","bundle":"https://pith.science/pith/THX2MBY76DT5T65WKQ3TBOBS3N/bundle.json","state":"https://pith.science/pith/THX2MBY76DT5T65WKQ3TBOBS3N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/THX2MBY76DT5T65WKQ3TBOBS3N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:THX2MBY76DT5T65WKQ3TBOBS3N","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":"abe273a22aac8fc42563c6ac521dbbe9ca64f94b7438b117be17623b889eff6c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-05-05T09:13:57Z","title_canon_sha256":"ff6f99250c567dcf123888ab760e831372134a7ccb8554ae69c362365bf1e01a"},"schema_version":"1.0","source":{"id":"1305.0994","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0994","created_at":"2026-05-18T01:30:49Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0994v1","created_at":"2026-05-18T01:30:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0994","created_at":"2026-05-18T01:30:49Z"},{"alias_kind":"pith_short_12","alias_value":"THX2MBY76DT5","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"THX2MBY76DT5T65W","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"THX2MBY7","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:0222ad366600841a7e735d77667bef3c635017ef2e0aa1c527739ece1f746e70","target":"graph","created_at":"2026-05-18T01:30:49Z","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":"In this paper we present the physical design of the pulsed sextupole injection system for Beijing Advanced Photon Source (BAPS) with an ultralow emittance. The BAPS ring lattice is designed in such a way that two options of pulsed sextupole injection are allowed, i.e., with septum and pulsed sextupole in different drift spaces or in the same drift space. We give the magnetic parameters of the injection system and the optimal condition of the optical functions for both options. In addition, we find that the pulsed sextupole induces position-dependent dispersive effect and causes non-ignorable e","authors_text":"Gang Xu, Yi Jiao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-05-05T09:13:57Z","title":"Pulsed sextupole injection for Beijing Advanced Photon Source with ultralow emittance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0994","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:ab20fc9c64cde743fddf5dd2114fffafaebe10d71d0af099fc7e62d33e0e3bf9","target":"record","created_at":"2026-05-18T01:30:49Z","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":"abe273a22aac8fc42563c6ac521dbbe9ca64f94b7438b117be17623b889eff6c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-05-05T09:13:57Z","title_canon_sha256":"ff6f99250c567dcf123888ab760e831372134a7ccb8554ae69c362365bf1e01a"},"schema_version":"1.0","source":{"id":"1305.0994","kind":"arxiv","version":1}},"canonical_sha256":"99efa6071ff0e7d9fbb6543730b832db4175d19a568b33931b1eb0209bfb30e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99efa6071ff0e7d9fbb6543730b832db4175d19a568b33931b1eb0209bfb30e3","first_computed_at":"2026-05-18T01:30:49.503167Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:49.503167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5qU4z3WRl+qUa24ybweR+8il8MtELfab2/joO8HwvfBQGV0qYo6mW5zCcetEhS8t2mh/GrBX02RmJVGq2IW/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:49.503571Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.0994","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab20fc9c64cde743fddf5dd2114fffafaebe10d71d0af099fc7e62d33e0e3bf9","sha256:0222ad366600841a7e735d77667bef3c635017ef2e0aa1c527739ece1f746e70"],"state_sha256":"a146887b04ef3d9c3a435f979ed253cc0cdb2965d2eb4b2d31a5d62c19b25ff2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zxfbdZ3y2yN5BY5mdB2tqvAka1tZEK+Hksy89D+EGNubqVFcN7JS/gOn2pLOX/jeceYWjEkgQtXOaSeO1m+QDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T09:07:56.586976Z","bundle_sha256":"271eee08b4bf3cafcae8ffab0265dcbda981fb06193baea1f7cd869c2b2e9ce7"}}