{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:GAR5HEL6QZNPJTKT644V35ST6V","short_pith_number":"pith:GAR5HEL6","canonical_record":{"source":{"id":"2503.18843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-03-24T16:16:39Z","cross_cats_sorted":["physics.acc-ph","physics.optics","quant-ph"],"title_canon_sha256":"8e29e3c89b02c84e7d29506e46acd13cf59135d9fb7e9575ef836e8ca1c8a86d","abstract_canon_sha256":"0106bbbbd58e8ef7f83aa7a481d0957dc0aad9b274a1bf46de7041a5fc04bb18"},"schema_version":"1.0"},"canonical_sha256":"3023d3917e865af4cd53f7395df653f56bfbc6ff1f8e59dc54cb9f142caaeb19","source":{"kind":"arxiv","id":"2503.18843","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.18843","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"arxiv_version","alias_value":"2503.18843v1","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.18843","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"pith_short_12","alias_value":"GAR5HEL6QZNP","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"pith_short_16","alias_value":"GAR5HEL6QZNPJTKT","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"pith_short_8","alias_value":"GAR5HEL6","created_at":"2026-07-05T10:38:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:GAR5HEL6QZNPJTKT644V35ST6V","target":"record","payload":{"canonical_record":{"source":{"id":"2503.18843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-03-24T16:16:39Z","cross_cats_sorted":["physics.acc-ph","physics.optics","quant-ph"],"title_canon_sha256":"8e29e3c89b02c84e7d29506e46acd13cf59135d9fb7e9575ef836e8ca1c8a86d","abstract_canon_sha256":"0106bbbbd58e8ef7f83aa7a481d0957dc0aad9b274a1bf46de7041a5fc04bb18"},"schema_version":"1.0"},"canonical_sha256":"3023d3917e865af4cd53f7395df653f56bfbc6ff1f8e59dc54cb9f142caaeb19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:38:27.420037Z","signature_b64":"nPHPW8mskQmcyEmLLfkUJb+u1WfjHxlhLTyD7PEe+znlKp6GixJuT5e4avemM8H91zpX14xj/HQkzA9jtOH+Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3023d3917e865af4cd53f7395df653f56bfbc6ff1f8e59dc54cb9f142caaeb19","last_reissued_at":"2026-07-05T10:38:27.419309Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:38:27.419309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.18843","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":"2026-07-05T10:38:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2syKuOXgbTzt8/hiwYWsKvUKATbMmS4/jkC6aWNeLrI0+ILW/cQYD3tXx++hAxlnlSbjWIXlVK7sGbp8gIXzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:16:44.397822Z"},"content_sha256":"2b98338c9bc43509a6ebb5bb471a14a4b7bffa510fda18824a23dae9b391b025","schema_version":"1.0","event_id":"sha256:2b98338c9bc43509a6ebb5bb471a14a4b7bffa510fda18824a23dae9b391b025"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:GAR5HEL6QZNPJTKT644V35ST6V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Evidence of Vortex $\\gamma$ Photons in All-Optical Inverse Compton Scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.acc-ph","physics.optics","quant-ph"],"primary_cat":"physics.plasm-ph","authors_text":"BoYuan Li, Feng Liu, Hao Hu, Jian-Xing Li, Jiao Jia, Jie Zhang, Li Lu, Liming Chen, Min Chen, Mingxuan Wei, Mingyang Zhu, Pei-Lun He, Siyu Chen, Weijun Zhou, Wenchao Yan, Xichen Hu, Yu Wang","submitted_at":"2025-03-24T16:16:39Z","abstract_excerpt":"Vortex $\\gamma$ photons carrying orbital angular momenta (OAM) hold great potential for various applications. However, their generation remains a great challenge. Here, we successfully generate sub-MeV vortex $\\gamma$ photons via all-optical inverse Compton scattering of relativistic electrons colliding with a sub-relativistic Laguerre-Gaussian laser. In principle, directly measuring the OAM of $\\gamma$ photons is challenging due to their incoherence and extremely short wavelength. Therein, we put forward a novel method to determine the OAM properties by revealing the quantum opening angle of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.18843","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/2503.18843/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":"2026-07-05T10:38:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aLhwoR3oD75qzbtYWXZSRy9FJTF3V5QIVcNVhaAGEvSS8X06t+WZvrSb1tVbm4nBHg6bExmKegViG1V1q9IBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:16:44.398746Z"},"content_sha256":"d55a5eb1e845bf347cd1d4e0981894e00bd9928215179afb50311478341a89ce","schema_version":"1.0","event_id":"sha256:d55a5eb1e845bf347cd1d4e0981894e00bd9928215179afb50311478341a89ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GAR5HEL6QZNPJTKT644V35ST6V/bundle.json","state_url":"https://pith.science/pith/GAR5HEL6QZNPJTKT644V35ST6V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GAR5HEL6QZNPJTKT644V35ST6V/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":"2026-08-03T16:16:44Z","links":{"resolver":"https://pith.science/pith/GAR5HEL6QZNPJTKT644V35ST6V","bundle":"https://pith.science/pith/GAR5HEL6QZNPJTKT644V35ST6V/bundle.json","state":"https://pith.science/pith/GAR5HEL6QZNPJTKT644V35ST6V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GAR5HEL6QZNPJTKT644V35ST6V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:GAR5HEL6QZNPJTKT644V35ST6V","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":"0106bbbbd58e8ef7f83aa7a481d0957dc0aad9b274a1bf46de7041a5fc04bb18","cross_cats_sorted":["physics.acc-ph","physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-03-24T16:16:39Z","title_canon_sha256":"8e29e3c89b02c84e7d29506e46acd13cf59135d9fb7e9575ef836e8ca1c8a86d"},"schema_version":"1.0","source":{"id":"2503.18843","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.18843","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"arxiv_version","alias_value":"2503.18843v1","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.18843","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"pith_short_12","alias_value":"GAR5HEL6QZNP","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"pith_short_16","alias_value":"GAR5HEL6QZNPJTKT","created_at":"2026-07-05T10:38:27Z"},{"alias_kind":"pith_short_8","alias_value":"GAR5HEL6","created_at":"2026-07-05T10:38:27Z"}],"graph_snapshots":[{"event_id":"sha256:d55a5eb1e845bf347cd1d4e0981894e00bd9928215179afb50311478341a89ce","target":"graph","created_at":"2026-07-05T10:38:27Z","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/2503.18843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Vortex $\\gamma$ photons carrying orbital angular momenta (OAM) hold great potential for various applications. However, their generation remains a great challenge. Here, we successfully generate sub-MeV vortex $\\gamma$ photons via all-optical inverse Compton scattering of relativistic electrons colliding with a sub-relativistic Laguerre-Gaussian laser. In principle, directly measuring the OAM of $\\gamma$ photons is challenging due to their incoherence and extremely short wavelength. Therein, we put forward a novel method to determine the OAM properties by revealing the quantum opening angle of ","authors_text":"BoYuan Li, Feng Liu, Hao Hu, Jian-Xing Li, Jiao Jia, Jie Zhang, Li Lu, Liming Chen, Min Chen, Mingxuan Wei, Mingyang Zhu, Pei-Lun He, Siyu Chen, Weijun Zhou, Wenchao Yan, Xichen Hu, Yu Wang","cross_cats":["physics.acc-ph","physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-03-24T16:16:39Z","title":"Experimental Evidence of Vortex $\\gamma$ Photons in All-Optical Inverse Compton Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.18843","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":"sha256:2b98338c9bc43509a6ebb5bb471a14a4b7bffa510fda18824a23dae9b391b025","target":"record","created_at":"2026-07-05T10:38:27Z","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":"0106bbbbd58e8ef7f83aa7a481d0957dc0aad9b274a1bf46de7041a5fc04bb18","cross_cats_sorted":["physics.acc-ph","physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-03-24T16:16:39Z","title_canon_sha256":"8e29e3c89b02c84e7d29506e46acd13cf59135d9fb7e9575ef836e8ca1c8a86d"},"schema_version":"1.0","source":{"id":"2503.18843","kind":"arxiv","version":1}},"canonical_sha256":"3023d3917e865af4cd53f7395df653f56bfbc6ff1f8e59dc54cb9f142caaeb19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3023d3917e865af4cd53f7395df653f56bfbc6ff1f8e59dc54cb9f142caaeb19","first_computed_at":"2026-07-05T10:38:27.419309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:38:27.419309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nPHPW8mskQmcyEmLLfkUJb+u1WfjHxlhLTyD7PEe+znlKp6GixJuT5e4avemM8H91zpX14xj/HQkzA9jtOH+Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:38:27.420037Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.18843","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b98338c9bc43509a6ebb5bb471a14a4b7bffa510fda18824a23dae9b391b025","sha256:d55a5eb1e845bf347cd1d4e0981894e00bd9928215179afb50311478341a89ce"],"state_sha256":"d1ed75778812af4eef9c2243a42321c726c81f9b353f0e0edff69d46197805a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D12hlLM1AHA9XSkcjXbnDscG/FQulfNG3DpM7+qY9pCV1zhN7slyYtGqS5IvU2iaDyeqJEMAEnt7WKRoqSTXCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:16:44.405739Z","bundle_sha256":"65da13190c516178fb7f45bdec3a0d99f712e77b4d6f0ef7c303e5cfa54a3d09"}}