{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4WXJFLWURLVFX3ZGXPF5JQMAMT","short_pith_number":"pith:4WXJFLWU","canonical_record":{"source":{"id":"2509.01950","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-09-02T04:44:55Z","cross_cats_sorted":[],"title_canon_sha256":"a88fd27acf724eaa6a09f418caa2270d92c29f335c2da9e212522e1e0cd45278","abstract_canon_sha256":"d5614df5647085d09eb0fc7e1b854e86c4fc3a46a9e52261570a0126275e732a"},"schema_version":"1.0"},"canonical_sha256":"e5ae92aed48aea5bef26bbcbd4c18064f6cf35fce3d15be2e27d09394ea35fd9","source":{"kind":"arxiv","id":"2509.01950","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.01950","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"arxiv_version","alias_value":"2509.01950v1","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.01950","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"pith_short_12","alias_value":"4WXJFLWURLVF","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"pith_short_16","alias_value":"4WXJFLWURLVFX3ZG","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"pith_short_8","alias_value":"4WXJFLWU","created_at":"2026-07-05T12:03:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4WXJFLWURLVFX3ZGXPF5JQMAMT","target":"record","payload":{"canonical_record":{"source":{"id":"2509.01950","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-09-02T04:44:55Z","cross_cats_sorted":[],"title_canon_sha256":"a88fd27acf724eaa6a09f418caa2270d92c29f335c2da9e212522e1e0cd45278","abstract_canon_sha256":"d5614df5647085d09eb0fc7e1b854e86c4fc3a46a9e52261570a0126275e732a"},"schema_version":"1.0"},"canonical_sha256":"e5ae92aed48aea5bef26bbcbd4c18064f6cf35fce3d15be2e27d09394ea35fd9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:03:11.637355Z","signature_b64":"6LD2dFQgnpFAO1xYHu3LFbgAAfYsfyKbKU18rzM6IyZy90vgjl9rZxJ4subQOoWB9T7NxrvDTHZOa+0vXntzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5ae92aed48aea5bef26bbcbd4c18064f6cf35fce3d15be2e27d09394ea35fd9","last_reissued_at":"2026-07-05T12:03:11.636852Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:03:11.636852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.01950","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":"2026-07-05T12:03:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"reYpFldsli0Ngw0/Mb2fz5WNZH3Fptnblwzdzl+daqxdmp7DhCw2g2MQjZmEsVFeCxFKAFPdQkRbf9212puSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:12:24.516836Z"},"content_sha256":"0c82c49cf7e7d37e3baa235b0108a9a5c656513c2f629fc6b6cb7335be62fa82","schema_version":"1.0","event_id":"sha256:0c82c49cf7e7d37e3baa235b0108a9a5c656513c2f629fc6b6cb7335be62fa82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4WXJFLWURLVFX3ZGXPF5JQMAMT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bending space-time wave packets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ayman F. Abouraddy, Layton A. Hall","submitted_at":"2025-09-02T04:44:55Z","abstract_excerpt":"Optical beams with certain asymmetric profiles, such as the Airy beam, can depart from rectilinear propagation and instead travel along curved (typically parabolic) trajectories. Here we show that sculpting the spatiotemporal spectrum of optical pulses yields self-accelerating beams that have symmetric profiles, remain diffraction-free, and travel along power-law curves with propagation distance having arbitrary positive exponent (integer or fractional). We build upon propagation-invariant space-time wave packets (STWPs), in which each spatial frequency is associated with a single wavelength. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.01950","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/2509.01950/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":"2026-07-05T12:03:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HTdm+1PdJ263f2tF3tdxUoy75PKRZVHovX5Al4dITIWwJES+trau+0kJ+fU3EZp9ZUa2BHxSV6zwF0FvloY1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:12:24.517337Z"},"content_sha256":"26c4255739706ea4f12480c647baacaa6374b2104636620401d083a205eea2f6","schema_version":"1.0","event_id":"sha256:26c4255739706ea4f12480c647baacaa6374b2104636620401d083a205eea2f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT/bundle.json","state_url":"https://pith.science/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT/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":"2026-08-16T10:12:24Z","links":{"resolver":"https://pith.science/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT","bundle":"https://pith.science/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT/bundle.json","state":"https://pith.science/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4WXJFLWURLVFX3ZGXPF5JQMAMT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4WXJFLWURLVFX3ZGXPF5JQMAMT","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":"d5614df5647085d09eb0fc7e1b854e86c4fc3a46a9e52261570a0126275e732a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-09-02T04:44:55Z","title_canon_sha256":"a88fd27acf724eaa6a09f418caa2270d92c29f335c2da9e212522e1e0cd45278"},"schema_version":"1.0","source":{"id":"2509.01950","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.01950","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"arxiv_version","alias_value":"2509.01950v1","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.01950","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"pith_short_12","alias_value":"4WXJFLWURLVF","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"pith_short_16","alias_value":"4WXJFLWURLVFX3ZG","created_at":"2026-07-05T12:03:11Z"},{"alias_kind":"pith_short_8","alias_value":"4WXJFLWU","created_at":"2026-07-05T12:03:11Z"}],"graph_snapshots":[{"event_id":"sha256:26c4255739706ea4f12480c647baacaa6374b2104636620401d083a205eea2f6","target":"graph","created_at":"2026-07-05T12:03:11Z","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/2509.01950/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical beams with certain asymmetric profiles, such as the Airy beam, can depart from rectilinear propagation and instead travel along curved (typically parabolic) trajectories. Here we show that sculpting the spatiotemporal spectrum of optical pulses yields self-accelerating beams that have symmetric profiles, remain diffraction-free, and travel along power-law curves with propagation distance having arbitrary positive exponent (integer or fractional). We build upon propagation-invariant space-time wave packets (STWPs), in which each spatial frequency is associated with a single wavelength. ","authors_text":"Ayman F. Abouraddy, Layton A. Hall","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-09-02T04:44:55Z","title":"Bending space-time wave packets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.01950","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":"sha256:0c82c49cf7e7d37e3baa235b0108a9a5c656513c2f629fc6b6cb7335be62fa82","target":"record","created_at":"2026-07-05T12:03:11Z","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":"d5614df5647085d09eb0fc7e1b854e86c4fc3a46a9e52261570a0126275e732a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-09-02T04:44:55Z","title_canon_sha256":"a88fd27acf724eaa6a09f418caa2270d92c29f335c2da9e212522e1e0cd45278"},"schema_version":"1.0","source":{"id":"2509.01950","kind":"arxiv","version":1}},"canonical_sha256":"e5ae92aed48aea5bef26bbcbd4c18064f6cf35fce3d15be2e27d09394ea35fd9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5ae92aed48aea5bef26bbcbd4c18064f6cf35fce3d15be2e27d09394ea35fd9","first_computed_at":"2026-07-05T12:03:11.636852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:03:11.636852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6LD2dFQgnpFAO1xYHu3LFbgAAfYsfyKbKU18rzM6IyZy90vgjl9rZxJ4subQOoWB9T7NxrvDTHZOa+0vXntzDw==","signature_status":"signed_v1","signed_at":"2026-07-05T12:03:11.637355Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.01950","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c82c49cf7e7d37e3baa235b0108a9a5c656513c2f629fc6b6cb7335be62fa82","sha256:26c4255739706ea4f12480c647baacaa6374b2104636620401d083a205eea2f6"],"state_sha256":"ea9999eb2f8c8f2570a78b0a24b12e3ff0adb17029063f9ca211d6a21d21e665"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H9V3CLOaTXV2ElTxmY6HaWQyIBYIh5/F9hFtF73+/n4Nq46y1BDmVh6DyO/Zso0/G8FpckY2pj0NxTDBBl9PAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T10:12:24.522351Z","bundle_sha256":"8b9c7abf97512e09c8302d70c3f797647b26fe43dbd7a50d00c715a1859f90fd"}}