{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:FT6QQAHN27ZVPY2MZ6EKTZ56OO","short_pith_number":"pith:FT6QQAHN","canonical_record":{"source":{"id":"2012.08856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-16T10:53:35Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5251087f3c6dcea97834fb8cde45787548d2ce1379d9b981b290d17ecf641e0e","abstract_canon_sha256":"495de151ff191c24fe5beb15b9442cda3bc1ac24b21236006d468f4eacac4dae"},"schema_version":"1.0"},"canonical_sha256":"2cfd0800edd7f357e34ccf88a9e7be73a1f82b3f468552bd8d43df741793654d","source":{"kind":"arxiv","id":"2012.08856","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08856","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08856v1","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08856","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"pith_short_12","alias_value":"FT6QQAHN27ZV","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"pith_short_16","alias_value":"FT6QQAHN27ZVPY2M","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"pith_short_8","alias_value":"FT6QQAHN","created_at":"2026-07-05T02:17:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:FT6QQAHN27ZVPY2MZ6EKTZ56OO","target":"record","payload":{"canonical_record":{"source":{"id":"2012.08856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-16T10:53:35Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5251087f3c6dcea97834fb8cde45787548d2ce1379d9b981b290d17ecf641e0e","abstract_canon_sha256":"495de151ff191c24fe5beb15b9442cda3bc1ac24b21236006d468f4eacac4dae"},"schema_version":"1.0"},"canonical_sha256":"2cfd0800edd7f357e34ccf88a9e7be73a1f82b3f468552bd8d43df741793654d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:17:45.515409Z","signature_b64":"djzTrJzk8PkgZ0QGVQOhSaqLzz/S41JhVcu0/nIwDZOw1RnI3Iv4jvAfEn9v9WvLlKUEtXq/XmbtDgcfWjeIAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cfd0800edd7f357e34ccf88a9e7be73a1f82b3f468552bd8d43df741793654d","last_reissued_at":"2026-07-05T02:17:45.514956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:17:45.514956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.08856","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":"2026-07-05T02:17:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A5iMG60KUSP8Cda45t25D0Gp6i6aV62XAud5dqDW8pUs5MB1+QfjsZbdtLsA4Owq9909zzpxeUL47sidUzb2DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:22:17.819987Z"},"content_sha256":"bad5abf29ab5556bb7e205d3bab03cfcf9c45b45b2f4a0b7c00ee8acb6e8add1","schema_version":"1.0","event_id":"sha256:bad5abf29ab5556bb7e205d3bab03cfcf9c45b45b2f4a0b7c00ee8acb6e8add1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:FT6QQAHN27ZVPY2MZ6EKTZ56OO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-efficiency water-window x-ray generation from nanowire array targets irradiated with femtosecond laser pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.plasm-ph","authors_text":"Changbo Fu, Defeng Kong, Guijun Qi, Guoqiang Zhang, Jiarui Zhao, Pengjie Wang, Shirui Xu, Shiyou Chen, Wenjun Ma, Wen Luo, Xueqing Yan, Yanying Zhao, Yinren Shou, Yunhui Li, Zhengxuan Cao, Zhuo Pan, Zhusong Mei","submitted_at":"2020-12-16T10:53:35Z","abstract_excerpt":"We demonstrate the high-efficiency generation of water-window soft x-ray emissions from polyethylene nanowire array targets irradiated by femtosecond laser pulses at the intensity of 4*10^19 W/cm^2. The experimental results indicate more than one order of magnitude enhancement of the water-window x-ray emissions from the nanowire array targets compared to the planar targets. The highest energy conversion efficiency from laser to water-window x-rays is measured as 0.5%/sr, which comes from the targets with the longest nanowires. Supported by particle-in-cell simulations and atomic kinetic codes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08856","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/2012.08856/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":"2026-07-05T02:17:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sQZ/ilSEhL7EIV+2dCMRnw0Sue3h7UjcEYln92XrYX9Oqyynh8j1ZJ/w36E3R+osaEHqZwA4hvEFVP+cbNXIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:22:17.820535Z"},"content_sha256":"06ef886bd199c2a3edb310e531f4c533226fda18deaeef92764eebf5abc540d3","schema_version":"1.0","event_id":"sha256:06ef886bd199c2a3edb310e531f4c533226fda18deaeef92764eebf5abc540d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO/bundle.json","state_url":"https://pith.science/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO/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":"2026-08-04T05:22:17Z","links":{"resolver":"https://pith.science/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO","bundle":"https://pith.science/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO/bundle.json","state":"https://pith.science/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FT6QQAHN27ZVPY2MZ6EKTZ56OO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FT6QQAHN27ZVPY2MZ6EKTZ56OO","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":"495de151ff191c24fe5beb15b9442cda3bc1ac24b21236006d468f4eacac4dae","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-16T10:53:35Z","title_canon_sha256":"5251087f3c6dcea97834fb8cde45787548d2ce1379d9b981b290d17ecf641e0e"},"schema_version":"1.0","source":{"id":"2012.08856","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08856","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08856v1","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08856","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"pith_short_12","alias_value":"FT6QQAHN27ZV","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"pith_short_16","alias_value":"FT6QQAHN27ZVPY2M","created_at":"2026-07-05T02:17:45Z"},{"alias_kind":"pith_short_8","alias_value":"FT6QQAHN","created_at":"2026-07-05T02:17:45Z"}],"graph_snapshots":[{"event_id":"sha256:06ef886bd199c2a3edb310e531f4c533226fda18deaeef92764eebf5abc540d3","target":"graph","created_at":"2026-07-05T02:17:45Z","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/2012.08856/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate the high-efficiency generation of water-window soft x-ray emissions from polyethylene nanowire array targets irradiated by femtosecond laser pulses at the intensity of 4*10^19 W/cm^2. The experimental results indicate more than one order of magnitude enhancement of the water-window x-ray emissions from the nanowire array targets compared to the planar targets. The highest energy conversion efficiency from laser to water-window x-rays is measured as 0.5%/sr, which comes from the targets with the longest nanowires. Supported by particle-in-cell simulations and atomic kinetic codes","authors_text":"Changbo Fu, Defeng Kong, Guijun Qi, Guoqiang Zhang, Jiarui Zhao, Pengjie Wang, Shirui Xu, Shiyou Chen, Wenjun Ma, Wen Luo, Xueqing Yan, Yanying Zhao, Yinren Shou, Yunhui Li, Zhengxuan Cao, Zhuo Pan, Zhusong Mei","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-16T10:53:35Z","title":"High-efficiency water-window x-ray generation from nanowire array targets irradiated with femtosecond laser pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08856","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:bad5abf29ab5556bb7e205d3bab03cfcf9c45b45b2f4a0b7c00ee8acb6e8add1","target":"record","created_at":"2026-07-05T02:17:45Z","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":"495de151ff191c24fe5beb15b9442cda3bc1ac24b21236006d468f4eacac4dae","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-16T10:53:35Z","title_canon_sha256":"5251087f3c6dcea97834fb8cde45787548d2ce1379d9b981b290d17ecf641e0e"},"schema_version":"1.0","source":{"id":"2012.08856","kind":"arxiv","version":1}},"canonical_sha256":"2cfd0800edd7f357e34ccf88a9e7be73a1f82b3f468552bd8d43df741793654d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cfd0800edd7f357e34ccf88a9e7be73a1f82b3f468552bd8d43df741793654d","first_computed_at":"2026-07-05T02:17:45.514956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:17:45.514956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"djzTrJzk8PkgZ0QGVQOhSaqLzz/S41JhVcu0/nIwDZOw1RnI3Iv4jvAfEn9v9WvLlKUEtXq/XmbtDgcfWjeIAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:17:45.515409Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.08856","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bad5abf29ab5556bb7e205d3bab03cfcf9c45b45b2f4a0b7c00ee8acb6e8add1","sha256:06ef886bd199c2a3edb310e531f4c533226fda18deaeef92764eebf5abc540d3"],"state_sha256":"f0f493f520c3a4dd0e7d0632868c3cb99b43505a0d4c064a44dbfa6663815617"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8ZpHsmPZaIt4C2nDQlQuRFuj2ywbz28QCAj2VaWmzzZAUC2WURme6FNYBKM8ksh3g7AGjSPS00G6PrBEKq/DDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T05:22:17.825493Z","bundle_sha256":"e94a3af41bc4d9c47d6368198da475e67650542de1647b6820ba3313852fea18"}}