{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LSO6LXOINW5FMCIRAMXJR7OZME","short_pith_number":"pith:LSO6LXOI","canonical_record":{"source":{"id":"2307.14417","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-26T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"4cb0906843cedf23c9b99586a8a0adddf5d94d0e2bd040191dd278a36620f24c","abstract_canon_sha256":"7da0389a49513c83b3daaa767c657bf15a0e30fe919327abf2ec45523db99f8f"},"schema_version":"1.0"},"canonical_sha256":"5c9de5ddc86dba560911032e98fdd9611ec00e45e89eda116984537a10f33c73","source":{"kind":"arxiv","id":"2307.14417","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.14417","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"arxiv_version","alias_value":"2307.14417v1","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.14417","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"pith_short_12","alias_value":"LSO6LXOINW5F","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"pith_short_16","alias_value":"LSO6LXOINW5FMCIR","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"pith_short_8","alias_value":"LSO6LXOI","created_at":"2026-07-05T06:35:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LSO6LXOINW5FMCIRAMXJR7OZME","target":"record","payload":{"canonical_record":{"source":{"id":"2307.14417","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-26T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"4cb0906843cedf23c9b99586a8a0adddf5d94d0e2bd040191dd278a36620f24c","abstract_canon_sha256":"7da0389a49513c83b3daaa767c657bf15a0e30fe919327abf2ec45523db99f8f"},"schema_version":"1.0"},"canonical_sha256":"5c9de5ddc86dba560911032e98fdd9611ec00e45e89eda116984537a10f33c73","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:35:12.916079Z","signature_b64":"FZUelqmwJwZJAu6Y/CsdNkezWw7BgkFre9z5tlGEbNaBGIhwx9M0U+o45ZDnJglzLwMXdZ0ULUjp5H2Pa7G5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c9de5ddc86dba560911032e98fdd9611ec00e45e89eda116984537a10f33c73","last_reissued_at":"2026-07-05T06:35:12.915592Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:35:12.915592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.14417","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":"2026-07-05T06:35:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"skdAnKTdMGv6HAXMF00G5TIQJEfHUbVq/rbDdZqCgPhkO9FEXPxMuxtPuNg/QezqV8Ra3IyYbx4qYh57FgRhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:48:17.375232Z"},"content_sha256":"15129cc65a4158a3ea07182e34e7a1b267f0136f5aaadd3280bb9de0071a51da","schema_version":"1.0","event_id":"sha256:15129cc65a4158a3ea07182e34e7a1b267f0136f5aaadd3280bb9de0071a51da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LSO6LXOINW5FMCIRAMXJR7OZME","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strong field vacuum birefringence in plane wave pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"B. King, T. G. Blackburn, T. Heinzl","submitted_at":"2023-07-26T18:00:02Z","abstract_excerpt":"By combining an adiabatic approach based on a `locally monochromatic' approximation with a local Hilbert transform, it is demonstrated how vacuum birefringence in the strong field regime can be calculated using a rate approach suitable for Monte Carlo simulation codes. Results for the flipping of the photon's polarisation (helicity) are benchmarked with evaluation of exact expressions in a circularly (linearly) polarised plane wave of finite extent. Example probabilities are given for typical experimental parameters."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.14417","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/2307.14417/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":"2026-07-05T06:35:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iNGWGVf9Ftk32YzPFlvmqxqCg1N8Ohhk6RvYkTOyqSyj61CMOZVS/Ix0K7vL3yHQKGyPyaVfkMCyFwiEU+8KAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:48:17.375893Z"},"content_sha256":"d786efab98a0628f8e73c23a9a470db1a4d8256a6c4cff0e07f85fed110a5531","schema_version":"1.0","event_id":"sha256:d786efab98a0628f8e73c23a9a470db1a4d8256a6c4cff0e07f85fed110a5531"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LSO6LXOINW5FMCIRAMXJR7OZME/bundle.json","state_url":"https://pith.science/pith/LSO6LXOINW5FMCIRAMXJR7OZME/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LSO6LXOINW5FMCIRAMXJR7OZME/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":"2026-08-12T15:48:17Z","links":{"resolver":"https://pith.science/pith/LSO6LXOINW5FMCIRAMXJR7OZME","bundle":"https://pith.science/pith/LSO6LXOINW5FMCIRAMXJR7OZME/bundle.json","state":"https://pith.science/pith/LSO6LXOINW5FMCIRAMXJR7OZME/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LSO6LXOINW5FMCIRAMXJR7OZME/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LSO6LXOINW5FMCIRAMXJR7OZME","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":"7da0389a49513c83b3daaa767c657bf15a0e30fe919327abf2ec45523db99f8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-26T18:00:02Z","title_canon_sha256":"4cb0906843cedf23c9b99586a8a0adddf5d94d0e2bd040191dd278a36620f24c"},"schema_version":"1.0","source":{"id":"2307.14417","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.14417","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"arxiv_version","alias_value":"2307.14417v1","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.14417","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"pith_short_12","alias_value":"LSO6LXOINW5F","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"pith_short_16","alias_value":"LSO6LXOINW5FMCIR","created_at":"2026-07-05T06:35:12Z"},{"alias_kind":"pith_short_8","alias_value":"LSO6LXOI","created_at":"2026-07-05T06:35:12Z"}],"graph_snapshots":[{"event_id":"sha256:d786efab98a0628f8e73c23a9a470db1a4d8256a6c4cff0e07f85fed110a5531","target":"graph","created_at":"2026-07-05T06:35:12Z","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/2307.14417/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"By combining an adiabatic approach based on a `locally monochromatic' approximation with a local Hilbert transform, it is demonstrated how vacuum birefringence in the strong field regime can be calculated using a rate approach suitable for Monte Carlo simulation codes. Results for the flipping of the photon's polarisation (helicity) are benchmarked with evaluation of exact expressions in a circularly (linearly) polarised plane wave of finite extent. Example probabilities are given for typical experimental parameters.","authors_text":"B. King, T. G. Blackburn, T. Heinzl","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-26T18:00:02Z","title":"Strong field vacuum birefringence in plane wave pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.14417","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":"sha256:15129cc65a4158a3ea07182e34e7a1b267f0136f5aaadd3280bb9de0071a51da","target":"record","created_at":"2026-07-05T06:35:12Z","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":"7da0389a49513c83b3daaa767c657bf15a0e30fe919327abf2ec45523db99f8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-26T18:00:02Z","title_canon_sha256":"4cb0906843cedf23c9b99586a8a0adddf5d94d0e2bd040191dd278a36620f24c"},"schema_version":"1.0","source":{"id":"2307.14417","kind":"arxiv","version":1}},"canonical_sha256":"5c9de5ddc86dba560911032e98fdd9611ec00e45e89eda116984537a10f33c73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c9de5ddc86dba560911032e98fdd9611ec00e45e89eda116984537a10f33c73","first_computed_at":"2026-07-05T06:35:12.915592Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:35:12.915592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FZUelqmwJwZJAu6Y/CsdNkezWw7BgkFre9z5tlGEbNaBGIhwx9M0U+o45ZDnJglzLwMXdZ0ULUjp5H2Pa7G5Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:35:12.916079Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.14417","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15129cc65a4158a3ea07182e34e7a1b267f0136f5aaadd3280bb9de0071a51da","sha256:d786efab98a0628f8e73c23a9a470db1a4d8256a6c4cff0e07f85fed110a5531"],"state_sha256":"f617fa8c73a8761de0510d97f4af652d928b61c269dc552522e69c1b9c9268d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8ZXREYatB0v4gcNc/9pLheLQXAxJxnonJetzGXXDG/7MCYPk4MhDqIXHi4Try9TM1voiuOjTgn85BxxsEvpGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T15:48:17.381183Z","bundle_sha256":"f6f5fab37c6b5d4ed8368b855891e9a3a5b098bef47ce0845a40e7c2cc0e0fbc"}}