{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LOKTUGI3CSBVJUAC4B5E2LHDPP","short_pith_number":"pith:LOKTUGI3","canonical_record":{"source":{"id":"1503.02979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-10T16:29:08Z","cross_cats_sorted":[],"title_canon_sha256":"af9c1dcaa7be7d103c8a2f98e9f429111ae0ee03abb515993355f02aa3feabe1","abstract_canon_sha256":"c513f21f31435291eca1e4830fec25727f2e0c16157e76ca2c4ba1caa9177a09"},"schema_version":"1.0"},"canonical_sha256":"5b953a191b148354d002e07a4d2ce37bfdaa52c00b682a1cc84b8488cc5a8138","source":{"kind":"arxiv","id":"1503.02979","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02979","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02979v1","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02979","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"LOKTUGI3CSBV","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LOKTUGI3CSBVJUAC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LOKTUGI3","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LOKTUGI3CSBVJUAC4B5E2LHDPP","target":"record","payload":{"canonical_record":{"source":{"id":"1503.02979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-10T16:29:08Z","cross_cats_sorted":[],"title_canon_sha256":"af9c1dcaa7be7d103c8a2f98e9f429111ae0ee03abb515993355f02aa3feabe1","abstract_canon_sha256":"c513f21f31435291eca1e4830fec25727f2e0c16157e76ca2c4ba1caa9177a09"},"schema_version":"1.0"},"canonical_sha256":"5b953a191b148354d002e07a4d2ce37bfdaa52c00b682a1cc84b8488cc5a8138","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:48.629560Z","signature_b64":"acz2L3Le+uc9j/uDmSrAZuFKwpAwcOoIQqQYwvVCAgu251dyQV5Aci/uG1Dw1EUYqEobwtl7Q4LzdnK8uPYZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b953a191b148354d002e07a4d2ce37bfdaa52c00b682a1cc84b8488cc5a8138","last_reissued_at":"2026-05-18T01:33:48.629110Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:48.629110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.02979","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":"2026-05-18T01:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQ94VYi3cZ1OTBcb53uGoZmyu/CPRfynPIhunIZ/aY9xxZ/o5+LxM9opSm8+8mcC2N49jXOT2UA58okdw36DAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:58:54.959977Z"},"content_sha256":"55fa31ca366882fc0a133478cc4b2e465046dba64645e333111ce946c66be92f","schema_version":"1.0","event_id":"sha256:55fa31ca366882fc0a133478cc4b2e465046dba64645e333111ce946c66be92f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LOKTUGI3CSBVJUAC4B5E2LHDPP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Effect of Orbital Angular Momentum on Nondiffracting Ultrashort Optical Pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander Szameit, Claudio Conti, Marco Ornigotti","submitted_at":"2015-03-10T16:29:08Z","abstract_excerpt":"We introduce a new class of nondiffracting optical pulses possessing orbital angular momentum. By generalizing the X-waves solution of the Maxwell equation, we discover the coupling between angular momentum and the temporal degrees of freedom of ultra-short pulses. The spatial twist of propagation invariant light pulse turns out to be directly related to the number of optical cycles. Our results may trigger the development on novel multi-level classical and quantum transmission channels free of dispersion and diffraction, may also find application in the manipulation of nano-structured objects"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02979","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":"2026-05-18T01:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6mcKvME3F40THbEpurdH6vXAzccDYvPsRnTNNrhPm2hyL71LMUayHGOqwpzmqlZ0TUa4F1C1KZF+QeYnRG5vBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:58:54.960609Z"},"content_sha256":"21a2e31d47ac82f469cdabd06b2f349f02a6eace02b4dd4891afd8fe3188b0ef","schema_version":"1.0","event_id":"sha256:21a2e31d47ac82f469cdabd06b2f349f02a6eace02b4dd4891afd8fe3188b0ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP/bundle.json","state_url":"https://pith.science/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP/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":"2026-05-25T21:58:54Z","links":{"resolver":"https://pith.science/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP","bundle":"https://pith.science/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP/bundle.json","state":"https://pith.science/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOKTUGI3CSBVJUAC4B5E2LHDPP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LOKTUGI3CSBVJUAC4B5E2LHDPP","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":"c513f21f31435291eca1e4830fec25727f2e0c16157e76ca2c4ba1caa9177a09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-10T16:29:08Z","title_canon_sha256":"af9c1dcaa7be7d103c8a2f98e9f429111ae0ee03abb515993355f02aa3feabe1"},"schema_version":"1.0","source":{"id":"1503.02979","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02979","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02979v1","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02979","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"LOKTUGI3CSBV","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LOKTUGI3CSBVJUAC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LOKTUGI3","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:21a2e31d47ac82f469cdabd06b2f349f02a6eace02b4dd4891afd8fe3188b0ef","target":"graph","created_at":"2026-05-18T01:33:48Z","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 introduce a new class of nondiffracting optical pulses possessing orbital angular momentum. By generalizing the X-waves solution of the Maxwell equation, we discover the coupling between angular momentum and the temporal degrees of freedom of ultra-short pulses. The spatial twist of propagation invariant light pulse turns out to be directly related to the number of optical cycles. Our results may trigger the development on novel multi-level classical and quantum transmission channels free of dispersion and diffraction, may also find application in the manipulation of nano-structured objects","authors_text":"Alexander Szameit, Claudio Conti, Marco Ornigotti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-10T16:29:08Z","title":"The Effect of Orbital Angular Momentum on Nondiffracting Ultrashort Optical Pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02979","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":"sha256:55fa31ca366882fc0a133478cc4b2e465046dba64645e333111ce946c66be92f","target":"record","created_at":"2026-05-18T01:33:48Z","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":"c513f21f31435291eca1e4830fec25727f2e0c16157e76ca2c4ba1caa9177a09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-10T16:29:08Z","title_canon_sha256":"af9c1dcaa7be7d103c8a2f98e9f429111ae0ee03abb515993355f02aa3feabe1"},"schema_version":"1.0","source":{"id":"1503.02979","kind":"arxiv","version":1}},"canonical_sha256":"5b953a191b148354d002e07a4d2ce37bfdaa52c00b682a1cc84b8488cc5a8138","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b953a191b148354d002e07a4d2ce37bfdaa52c00b682a1cc84b8488cc5a8138","first_computed_at":"2026-05-18T01:33:48.629110Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:48.629110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"acz2L3Le+uc9j/uDmSrAZuFKwpAwcOoIQqQYwvVCAgu251dyQV5Aci/uG1Dw1EUYqEobwtl7Q4LzdnK8uPYZBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:48.629560Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.02979","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55fa31ca366882fc0a133478cc4b2e465046dba64645e333111ce946c66be92f","sha256:21a2e31d47ac82f469cdabd06b2f349f02a6eace02b4dd4891afd8fe3188b0ef"],"state_sha256":"6c5ba2bf0a163535307bc0b3fdc330a8f41bc2e3a1b426695d3653e16f72fd39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ryrj+eDd70+rKhdn5c1jqxoJQX3m+yzv6tTkjfzs9tFadCsvGK7WDMX5ADiPfBMcnbpvrUJ1KA4GisPHILQXBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:58:54.963962Z","bundle_sha256":"1eeee7f029feca0e804ff58c7e10f9669823bd123a18b78045f33fa8f0807662"}}