{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:JTHMELSNTGR6ETJELFNALTU4AH","short_pith_number":"pith:JTHMELSN","canonical_record":{"source":{"id":"1402.7069","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-27T20:57:15Z","cross_cats_sorted":[],"title_canon_sha256":"c6d85c39eb4ddb113d5698a35ebe219858c8b7d1dfc180cda3b7d3a2ccc5195c","abstract_canon_sha256":"503a0aa8b3073e073b087f641ebb21f7d59aaf6096dce68e84068089370fbc0d"},"schema_version":"1.0"},"canonical_sha256":"4ccec22e4d99a3e24d24595a05ce9c01e0e2edd15f6c8225dad5238eb3b943c7","source":{"kind":"arxiv","id":"1402.7069","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.7069","created_at":"2026-05-18T01:44:26Z"},{"alias_kind":"arxiv_version","alias_value":"1402.7069v1","created_at":"2026-05-18T01:44:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.7069","created_at":"2026-05-18T01:44:26Z"},{"alias_kind":"pith_short_12","alias_value":"JTHMELSNTGR6","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JTHMELSNTGR6ETJE","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JTHMELSN","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:JTHMELSNTGR6ETJELFNALTU4AH","target":"record","payload":{"canonical_record":{"source":{"id":"1402.7069","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-27T20:57:15Z","cross_cats_sorted":[],"title_canon_sha256":"c6d85c39eb4ddb113d5698a35ebe219858c8b7d1dfc180cda3b7d3a2ccc5195c","abstract_canon_sha256":"503a0aa8b3073e073b087f641ebb21f7d59aaf6096dce68e84068089370fbc0d"},"schema_version":"1.0"},"canonical_sha256":"4ccec22e4d99a3e24d24595a05ce9c01e0e2edd15f6c8225dad5238eb3b943c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:26.362115Z","signature_b64":"fJbX+NHOPggT2T9dQnyhmyezwpCSzp4EyK3amOZGPLtTCRr2dq37bIDoKoujCo27a4EAkVfK4Qryf3fp2zPLDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ccec22e4d99a3e24d24595a05ce9c01e0e2edd15f6c8225dad5238eb3b943c7","last_reissued_at":"2026-05-18T01:44:26.361647Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:26.361647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.7069","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":"2026-05-18T01:44:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iw1rJCDJyuD1oYRoG04VHkWXjHQ4nOmN+PSkK3D5kl0UId1iLPuoE47kEtxAlpmKCdY5cmVzwJMRayxH736qDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:52:54.935338Z"},"content_sha256":"202f11e3ffed46ebeb5de13bd5dadd8427deef8abab3b09b77d2fee616e24e9e","schema_version":"1.0","event_id":"sha256:202f11e3ffed46ebeb5de13bd5dadd8427deef8abab3b09b77d2fee616e24e9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:JTHMELSNTGR6ETJELFNALTU4AH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generation of multi-terawatt vortex laser beams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Adrian Lucero, Andreas Schmitt-Sody, Craig Ament, Lee Johnson, Pavel Polynkin, Thomas Milster","submitted_at":"2014-02-27T20:57:15Z","abstract_excerpt":"We report the fabrication of large-area phase masks on thin fused-silica substrates that are suitable for shaping multi-terawatt femtosecond laser beams. We apply these phase masks for the generation of intense femtosecond optical vortices. We further quantify distortions of the vortex beam patterns that result from several common types of mask defects."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.7069","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":"2026-05-18T01:44:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AopYM7WAWJ882FHL63T3KOt+4Hdb0LHUKppJX/aXg7lJM/lMkIsDnSHdwr06LNsjRYscC3F2zARb0/6CeSmTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:52:54.935694Z"},"content_sha256":"035e5c883e6053cefa3f1868cc63b3a7150000a2149abb759ac13f3abe7801c2","schema_version":"1.0","event_id":"sha256:035e5c883e6053cefa3f1868cc63b3a7150000a2149abb759ac13f3abe7801c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JTHMELSNTGR6ETJELFNALTU4AH/bundle.json","state_url":"https://pith.science/pith/JTHMELSNTGR6ETJELFNALTU4AH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JTHMELSNTGR6ETJELFNALTU4AH/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":"2026-06-03T21:52:54Z","links":{"resolver":"https://pith.science/pith/JTHMELSNTGR6ETJELFNALTU4AH","bundle":"https://pith.science/pith/JTHMELSNTGR6ETJELFNALTU4AH/bundle.json","state":"https://pith.science/pith/JTHMELSNTGR6ETJELFNALTU4AH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JTHMELSNTGR6ETJELFNALTU4AH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:JTHMELSNTGR6ETJELFNALTU4AH","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":"503a0aa8b3073e073b087f641ebb21f7d59aaf6096dce68e84068089370fbc0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-27T20:57:15Z","title_canon_sha256":"c6d85c39eb4ddb113d5698a35ebe219858c8b7d1dfc180cda3b7d3a2ccc5195c"},"schema_version":"1.0","source":{"id":"1402.7069","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.7069","created_at":"2026-05-18T01:44:26Z"},{"alias_kind":"arxiv_version","alias_value":"1402.7069v1","created_at":"2026-05-18T01:44:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.7069","created_at":"2026-05-18T01:44:26Z"},{"alias_kind":"pith_short_12","alias_value":"JTHMELSNTGR6","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JTHMELSNTGR6ETJE","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JTHMELSN","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:035e5c883e6053cefa3f1868cc63b3a7150000a2149abb759ac13f3abe7801c2","target":"graph","created_at":"2026-05-18T01:44:26Z","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":"We report the fabrication of large-area phase masks on thin fused-silica substrates that are suitable for shaping multi-terawatt femtosecond laser beams. We apply these phase masks for the generation of intense femtosecond optical vortices. We further quantify distortions of the vortex beam patterns that result from several common types of mask defects.","authors_text":"Adrian Lucero, Andreas Schmitt-Sody, Craig Ament, Lee Johnson, Pavel Polynkin, Thomas Milster","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-27T20:57:15Z","title":"Generation of multi-terawatt vortex laser beams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.7069","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":"sha256:202f11e3ffed46ebeb5de13bd5dadd8427deef8abab3b09b77d2fee616e24e9e","target":"record","created_at":"2026-05-18T01:44:26Z","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":"503a0aa8b3073e073b087f641ebb21f7d59aaf6096dce68e84068089370fbc0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-27T20:57:15Z","title_canon_sha256":"c6d85c39eb4ddb113d5698a35ebe219858c8b7d1dfc180cda3b7d3a2ccc5195c"},"schema_version":"1.0","source":{"id":"1402.7069","kind":"arxiv","version":1}},"canonical_sha256":"4ccec22e4d99a3e24d24595a05ce9c01e0e2edd15f6c8225dad5238eb3b943c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ccec22e4d99a3e24d24595a05ce9c01e0e2edd15f6c8225dad5238eb3b943c7","first_computed_at":"2026-05-18T01:44:26.361647Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:26.361647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fJbX+NHOPggT2T9dQnyhmyezwpCSzp4EyK3amOZGPLtTCRr2dq37bIDoKoujCo27a4EAkVfK4Qryf3fp2zPLDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:26.362115Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.7069","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:202f11e3ffed46ebeb5de13bd5dadd8427deef8abab3b09b77d2fee616e24e9e","sha256:035e5c883e6053cefa3f1868cc63b3a7150000a2149abb759ac13f3abe7801c2"],"state_sha256":"656a036ce8046ae5d827b892ddfd568ef51709773bf0702c88daaf8d189a44ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IYlG1sTY5DvW09Y72gIAh3HDyP1T89FzJuoBmzrtaAJW6oJ9trxczUwvsN3qlLW4l45SZ6ety3fKF0zINREiAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:52:54.937605Z","bundle_sha256":"11e263c6945dfbd67169d4e59216ffb53dcb9339f6914b2b87195558cdf153b9"}}