{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:MSDFQCKL4HSHAGOWNZVMZDXQ7W","short_pith_number":"pith:MSDFQCKL","canonical_record":{"source":{"id":"2201.12474","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-01-29T01:58:16Z","cross_cats_sorted":[],"title_canon_sha256":"60bc233863eb8af6f5b9743a32bc9f996f596d96221b618f753b7da04b6ddc56","abstract_canon_sha256":"b59d91bd2b178e9d7a31a92ccb7ee3dcc97136c8e9141ec5b70d8cfe9409c151"},"schema_version":"1.0"},"canonical_sha256":"648658094be1e47019d66e6acc8ef0fda366f779255f5504e346205a6fe4ac5f","source":{"kind":"arxiv","id":"2201.12474","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.12474","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"arxiv_version","alias_value":"2201.12474v1","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.12474","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"pith_short_12","alias_value":"MSDFQCKL4HSH","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"pith_short_16","alias_value":"MSDFQCKL4HSHAGOW","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"pith_short_8","alias_value":"MSDFQCKL","created_at":"2026-07-05T03:52:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:MSDFQCKL4HSHAGOWNZVMZDXQ7W","target":"record","payload":{"canonical_record":{"source":{"id":"2201.12474","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-01-29T01:58:16Z","cross_cats_sorted":[],"title_canon_sha256":"60bc233863eb8af6f5b9743a32bc9f996f596d96221b618f753b7da04b6ddc56","abstract_canon_sha256":"b59d91bd2b178e9d7a31a92ccb7ee3dcc97136c8e9141ec5b70d8cfe9409c151"},"schema_version":"1.0"},"canonical_sha256":"648658094be1e47019d66e6acc8ef0fda366f779255f5504e346205a6fe4ac5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:52:36.856365Z","signature_b64":"WifibpfdESPZhJ2DhXMhmPFNMx+X3gt584TDDIaTTXooXP1KLDhD4i0pPhXi6KfREQVeE61HCVwVUF0E95koBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"648658094be1e47019d66e6acc8ef0fda366f779255f5504e346205a6fe4ac5f","last_reissued_at":"2026-07-05T03:52:36.855928Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:52:36.855928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.12474","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":"2026-07-05T03:52:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WweSjdPoBGWcSts0Y3w+4zeXS9SEgjNivB8XNYZXMnb+B+EtkWcaHPOuJMnSJjJhIxCv5qcwuHfsywvDXDc6Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:09:36.834597Z"},"content_sha256":"e8b868a1aa1cfa87cf7ac698082d089c1e874a5f2cc696754d278083875515f7","schema_version":"1.0","event_id":"sha256:e8b868a1aa1cfa87cf7ac698082d089c1e874a5f2cc696754d278083875515f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:MSDFQCKL4HSHAGOWNZVMZDXQ7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffraction properties of lights with transverse orbital angular momentum","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Jun Liu, Peng Wang, Ruxin Li, Shunlin Huang, Xiong Shen","submitted_at":"2022-01-29T01:58:16Z","abstract_excerpt":"Spatiotemporal optical vortex (STOV) is a unique optical vortex with phase singularity in the space-time domain and the photons in a STOV can carry transverse orbital angular momentum (OAM). The STOV shows many fantastic properties which are worth exploring. Here, we theoretically and experimentally study the diffraction property of STOV, which is a fundamental wave phenomenon. The diffraction behaviors of STOVs are obviously affected by the transverse OAM. The diffraction patterns of STOV pulses diffracted by a grating show multi-lobe structure with each gap corresponding to 1 topological cha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.12474","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/2201.12474/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":"2026-07-05T03:52:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLbZwGIAqgT5eBIUmYuGvSt+nKZeKL5F09hlSPMV7RGtdqv8GOgvXhAEwM7Sei9aXSINIO8s5McG29zmpvOODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:09:36.834980Z"},"content_sha256":"b3fb9ac44aded925ac1eb1c27c01ab73a2c6df03d0385e1b02ee1bb888894406","schema_version":"1.0","event_id":"sha256:b3fb9ac44aded925ac1eb1c27c01ab73a2c6df03d0385e1b02ee1bb888894406"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W/bundle.json","state_url":"https://pith.science/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W/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":"2026-07-07T04:09:36Z","links":{"resolver":"https://pith.science/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W","bundle":"https://pith.science/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W/bundle.json","state":"https://pith.science/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MSDFQCKL4HSHAGOWNZVMZDXQ7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:MSDFQCKL4HSHAGOWNZVMZDXQ7W","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":"b59d91bd2b178e9d7a31a92ccb7ee3dcc97136c8e9141ec5b70d8cfe9409c151","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-01-29T01:58:16Z","title_canon_sha256":"60bc233863eb8af6f5b9743a32bc9f996f596d96221b618f753b7da04b6ddc56"},"schema_version":"1.0","source":{"id":"2201.12474","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.12474","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"arxiv_version","alias_value":"2201.12474v1","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.12474","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"pith_short_12","alias_value":"MSDFQCKL4HSH","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"pith_short_16","alias_value":"MSDFQCKL4HSHAGOW","created_at":"2026-07-05T03:52:36Z"},{"alias_kind":"pith_short_8","alias_value":"MSDFQCKL","created_at":"2026-07-05T03:52:36Z"}],"graph_snapshots":[{"event_id":"sha256:b3fb9ac44aded925ac1eb1c27c01ab73a2c6df03d0385e1b02ee1bb888894406","target":"graph","created_at":"2026-07-05T03:52:36Z","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/2201.12474/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spatiotemporal optical vortex (STOV) is a unique optical vortex with phase singularity in the space-time domain and the photons in a STOV can carry transverse orbital angular momentum (OAM). The STOV shows many fantastic properties which are worth exploring. Here, we theoretically and experimentally study the diffraction property of STOV, which is a fundamental wave phenomenon. The diffraction behaviors of STOVs are obviously affected by the transverse OAM. The diffraction patterns of STOV pulses diffracted by a grating show multi-lobe structure with each gap corresponding to 1 topological cha","authors_text":"Jun Liu, Peng Wang, Ruxin Li, Shunlin Huang, Xiong Shen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-01-29T01:58:16Z","title":"Diffraction properties of lights with transverse orbital angular momentum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.12474","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:e8b868a1aa1cfa87cf7ac698082d089c1e874a5f2cc696754d278083875515f7","target":"record","created_at":"2026-07-05T03:52:36Z","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":"b59d91bd2b178e9d7a31a92ccb7ee3dcc97136c8e9141ec5b70d8cfe9409c151","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-01-29T01:58:16Z","title_canon_sha256":"60bc233863eb8af6f5b9743a32bc9f996f596d96221b618f753b7da04b6ddc56"},"schema_version":"1.0","source":{"id":"2201.12474","kind":"arxiv","version":1}},"canonical_sha256":"648658094be1e47019d66e6acc8ef0fda366f779255f5504e346205a6fe4ac5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"648658094be1e47019d66e6acc8ef0fda366f779255f5504e346205a6fe4ac5f","first_computed_at":"2026-07-05T03:52:36.855928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:52:36.855928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WifibpfdESPZhJ2DhXMhmPFNMx+X3gt584TDDIaTTXooXP1KLDhD4i0pPhXi6KfREQVeE61HCVwVUF0E95koBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:52:36.856365Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.12474","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8b868a1aa1cfa87cf7ac698082d089c1e874a5f2cc696754d278083875515f7","sha256:b3fb9ac44aded925ac1eb1c27c01ab73a2c6df03d0385e1b02ee1bb888894406"],"state_sha256":"60a3b15ad4cc7a3a4e0345be28e9085586de4c3691bcc2fcc234ceabc9a57a66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VERs4Vy4WPjNqcFtaP2C2Fc2lkHRYPooMO358IGdG6unz9Uvi797+LFAO60Ju6TXcdfZsNLDvFE0F6yyBjJ/CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:09:36.836960Z","bundle_sha256":"11ed5e95047447e4f3f034e51b0e3e34b3528319db72eed5652a0f778c06f985"}}