{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:SA4XNXFBZVEJ7CUZ5BQXYKG5OW","short_pith_number":"pith:SA4XNXFB","canonical_record":{"source":{"id":"2301.12835","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-01-30T12:40:20Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"9bea779c3203e6ba2bcfa403d07a132019c8afc04c866b1c8803827ec5e9305a","abstract_canon_sha256":"00a3f65a4885447dd625d0af757bd495f8427cd8804e6e9a8af86d1ec022bef2"},"schema_version":"1.0"},"canonical_sha256":"903976dca1cd489f8a99e8617c28dd759b91bb63439446880da67c2187bc35ff","source":{"kind":"arxiv","id":"2301.12835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.12835","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"2301.12835v1","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.12835","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"SA4XNXFBZVEJ","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"pith_short_16","alias_value":"SA4XNXFBZVEJ7CUZ","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"pith_short_8","alias_value":"SA4XNXFB","created_at":"2026-07-05T05:44:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:SA4XNXFBZVEJ7CUZ5BQXYKG5OW","target":"record","payload":{"canonical_record":{"source":{"id":"2301.12835","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-01-30T12:40:20Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"9bea779c3203e6ba2bcfa403d07a132019c8afc04c866b1c8803827ec5e9305a","abstract_canon_sha256":"00a3f65a4885447dd625d0af757bd495f8427cd8804e6e9a8af86d1ec022bef2"},"schema_version":"1.0"},"canonical_sha256":"903976dca1cd489f8a99e8617c28dd759b91bb63439446880da67c2187bc35ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:44:13.970039Z","signature_b64":"NGHT0q6vXC0BQhqKPd3AMY8tq2GDk1xxfPXpipUa4Qtdwj5G+QK2j8pbqS+MrsTsjGY9sVaLpsSeCcqqb2G4DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"903976dca1cd489f8a99e8617c28dd759b91bb63439446880da67c2187bc35ff","last_reissued_at":"2026-07-05T05:44:13.969540Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:44:13.969540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.12835","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":"2026-07-05T05:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h3TCivgcYKgdpZ24Qa3uOwXHK1LKmPzrFy6J4HuCNECMJI2QLNL4aSJQjP5PWN6vRKFxeIJVkQ5FlezdUMUrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:21:40.082797Z"},"content_sha256":"448b135073582909c016ac213156644424030067d37200239af93f5bd945d826","schema_version":"1.0","event_id":"sha256:448b135073582909c016ac213156644424030067d37200239af93f5bd945d826"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:SA4XNXFBZVEJ7CUZ5BQXYKG5OW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Development of a Laser-based angle-resolved-photoemission spectrometer with sub-micrometer spatial resolution and high-efficiency spin detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. F. Zhang, D. Zhao, F. Wang, J. S. Zhou, K. Huang, L. X. Yang, Q. Q. Zhang, R. Z. Xu, W. X. Zhao, X. Du, X. Gu, Y. D. Li, Y. H. Mao, Y. L. Chen, Z. K. Liu","submitted_at":"2023-01-30T12:40:20Z","abstract_excerpt":"Angle-resolved photoemission spectroscopy with sub-micrometer spatial resolution ({\\mu}-ARPES), has become a powerful tool for studying quantum materials. To achieve sub-micrometer or even nanometer-scale spatial resolution, it is important to focus the incident light beam (usually from the synchrotron radiation) using X-ray optics such as the zone plate or ellipsoidal capillary mirrors. Recently, we developed a laser-based {\\mu}-ARPES with spin-resolution (LMS-ARPES). The 177 nm laser beam is achieved by frequency doubling a 355 nm beam using a KBBF crystal and subsequently focused using an o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.12835","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2301.12835/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5KG2T/EjWD89ytmLE1NVe2XwMQy8Y23haU07qYVwtJ/dRBMWTtflO+0KLGbNcFkKly6FQ/XTUQHedoJw4oYyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:21:40.084204Z"},"content_sha256":"da978648073537b9faaa6daedcffda29823406ec3dd30ba52ed627d700567d59","schema_version":"1.0","event_id":"sha256:da978648073537b9faaa6daedcffda29823406ec3dd30ba52ed627d700567d59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW/bundle.json","state_url":"https://pith.science/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW/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":"2026-08-05T11:21:40Z","links":{"resolver":"https://pith.science/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW","bundle":"https://pith.science/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW/bundle.json","state":"https://pith.science/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SA4XNXFBZVEJ7CUZ5BQXYKG5OW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:SA4XNXFBZVEJ7CUZ5BQXYKG5OW","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":"00a3f65a4885447dd625d0af757bd495f8427cd8804e6e9a8af86d1ec022bef2","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-01-30T12:40:20Z","title_canon_sha256":"9bea779c3203e6ba2bcfa403d07a132019c8afc04c866b1c8803827ec5e9305a"},"schema_version":"1.0","source":{"id":"2301.12835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.12835","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"2301.12835v1","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.12835","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"SA4XNXFBZVEJ","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"pith_short_16","alias_value":"SA4XNXFBZVEJ7CUZ","created_at":"2026-07-05T05:44:13Z"},{"alias_kind":"pith_short_8","alias_value":"SA4XNXFB","created_at":"2026-07-05T05:44:13Z"}],"graph_snapshots":[{"event_id":"sha256:da978648073537b9faaa6daedcffda29823406ec3dd30ba52ed627d700567d59","target":"graph","created_at":"2026-07-05T05:44:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2301.12835/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Angle-resolved photoemission spectroscopy with sub-micrometer spatial resolution ({\\mu}-ARPES), has become a powerful tool for studying quantum materials. To achieve sub-micrometer or even nanometer-scale spatial resolution, it is important to focus the incident light beam (usually from the synchrotron radiation) using X-ray optics such as the zone plate or ellipsoidal capillary mirrors. Recently, we developed a laser-based {\\mu}-ARPES with spin-resolution (LMS-ARPES). The 177 nm laser beam is achieved by frequency doubling a 355 nm beam using a KBBF crystal and subsequently focused using an o","authors_text":"C. F. Zhang, D. Zhao, F. Wang, J. S. Zhou, K. Huang, L. X. Yang, Q. Q. Zhang, R. Z. Xu, W. X. Zhao, X. Du, X. Gu, Y. D. Li, Y. H. Mao, Y. L. Chen, Z. K. Liu","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-01-30T12:40:20Z","title":"Development of a Laser-based angle-resolved-photoemission spectrometer with sub-micrometer spatial resolution and high-efficiency spin detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.12835","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":"sha256:448b135073582909c016ac213156644424030067d37200239af93f5bd945d826","target":"record","created_at":"2026-07-05T05:44:13Z","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":"00a3f65a4885447dd625d0af757bd495f8427cd8804e6e9a8af86d1ec022bef2","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-01-30T12:40:20Z","title_canon_sha256":"9bea779c3203e6ba2bcfa403d07a132019c8afc04c866b1c8803827ec5e9305a"},"schema_version":"1.0","source":{"id":"2301.12835","kind":"arxiv","version":1}},"canonical_sha256":"903976dca1cd489f8a99e8617c28dd759b91bb63439446880da67c2187bc35ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"903976dca1cd489f8a99e8617c28dd759b91bb63439446880da67c2187bc35ff","first_computed_at":"2026-07-05T05:44:13.969540Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:44:13.969540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NGHT0q6vXC0BQhqKPd3AMY8tq2GDk1xxfPXpipUa4Qtdwj5G+QK2j8pbqS+MrsTsjGY9sVaLpsSeCcqqb2G4DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:44:13.970039Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.12835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:448b135073582909c016ac213156644424030067d37200239af93f5bd945d826","sha256:da978648073537b9faaa6daedcffda29823406ec3dd30ba52ed627d700567d59"],"state_sha256":"7fd01699ebdf0ebd80e1f64b62999f1ffe43ee8bc36f1db65cda78a5d036084a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vvDpits1i4HWiqAOQyEUiITg9QgQFu2YuC8LYNuepF+NnUPNf7s8OdidL3ZHb9+ZDAqP+2A85GZHELWLaz40Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:21:40.096672Z","bundle_sha256":"d5f0ba85866822c5e6253ee73f0ed346e0209e1b8fd669fbf8518717f5536d05"}}