{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UAYEK77B5WU5ZKFW4DHSQVSWBU","short_pith_number":"pith:UAYEK77B","canonical_record":{"source":{"id":"1507.08607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-07-30T18:08:48Z","cross_cats_sorted":[],"title_canon_sha256":"6f5e5c246dc23beda1446c29fdcef809971957cc161a81e8ddcabe77e03774a7","abstract_canon_sha256":"ad2bf42d82ea83156a59d6f4696fdab1ab403ccc234731e99bac4d86ca65c4cc"},"schema_version":"1.0"},"canonical_sha256":"a030457fe1eda9dca8b6e0cf2856560d16512bba666da02036e956dc05d7c21b","source":{"kind":"arxiv","id":"1507.08607","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.08607","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1507.08607v1","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.08607","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"UAYEK77B5WU5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UAYEK77B5WU5ZKFW","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UAYEK77B","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UAYEK77B5WU5ZKFW4DHSQVSWBU","target":"record","payload":{"canonical_record":{"source":{"id":"1507.08607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-07-30T18:08:48Z","cross_cats_sorted":[],"title_canon_sha256":"6f5e5c246dc23beda1446c29fdcef809971957cc161a81e8ddcabe77e03774a7","abstract_canon_sha256":"ad2bf42d82ea83156a59d6f4696fdab1ab403ccc234731e99bac4d86ca65c4cc"},"schema_version":"1.0"},"canonical_sha256":"a030457fe1eda9dca8b6e0cf2856560d16512bba666da02036e956dc05d7c21b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:53.553562Z","signature_b64":"aMYVCTp5H7yntItRtSy5YVg1DCjoOf1mWKG7Ltdj8fe1zED4951fe6cOkGHL6d5gqBERET3EfSREbNRISBeeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a030457fe1eda9dca8b6e0cf2856560d16512bba666da02036e956dc05d7c21b","last_reissued_at":"2026-05-18T01:24:53.552979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:53.552979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.08607","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":"2026-05-18T01:24:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hcYXlfJ8uRW3WLMTm2Jhi+NNQ1Jl9DOMx8i+mQ62FJqOOtmeUTA5E52UEhvu0BawscSJghVVF2/pHcW+XnzzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T22:19:04.739153Z"},"content_sha256":"1012db41d2234edd5f2b34b2eeca942a6c2b052b74c70b3189572dbd18bb5c5b","schema_version":"1.0","event_id":"sha256:1012db41d2234edd5f2b34b2eeca942a6c2b052b74c70b3189572dbd18bb5c5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UAYEK77B5WU5ZKFW4DHSQVSWBU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling radiation emission in the transition from the classical to the quantum regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"J. L. Martins, J. Vieira, L. O. Silva, M. Vranic, R. A. Fonseca, T. Grismayer","submitted_at":"2015-07-30T18:08:48Z","abstract_excerpt":"An emissivity formula is derived using the generalised Fermi-Weizacker-Williams method of virtual photons which accounts for the recoil the charged particle experiences as it emits radiation. It is found that through this derivation the formula obtained by Sokolov et al using QED perturbation theory is recovered. The corrected emissivity formula is applied to nonlinear Thomson scattering scenarios in the transition from the classical to the quantum regime, for small values of the nonlinear quantum parameter \\chi. Good agreement is found between this method and a QED probabilistic approach for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.08607","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":"2026-05-18T01:24:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IjGpIfB2dYfYKkXYJfkOU4o00PERbCOO0Te2wu7Q2OWUczxLRrtKQhZKDFggSZpWNe1GlzutSUrlEw32m/hfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T22:19:04.739543Z"},"content_sha256":"d1fd44598e7cc93052427a4fc601aff8e8a0c7e1f5f1fd1e73cd676fac56a4f9","schema_version":"1.0","event_id":"sha256:d1fd44598e7cc93052427a4fc601aff8e8a0c7e1f5f1fd1e73cd676fac56a4f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU/bundle.json","state_url":"https://pith.science/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU/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":"2026-05-22T22:19:04Z","links":{"resolver":"https://pith.science/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU","bundle":"https://pith.science/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU/bundle.json","state":"https://pith.science/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UAYEK77B5WU5ZKFW4DHSQVSWBU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UAYEK77B5WU5ZKFW4DHSQVSWBU","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":"ad2bf42d82ea83156a59d6f4696fdab1ab403ccc234731e99bac4d86ca65c4cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-07-30T18:08:48Z","title_canon_sha256":"6f5e5c246dc23beda1446c29fdcef809971957cc161a81e8ddcabe77e03774a7"},"schema_version":"1.0","source":{"id":"1507.08607","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.08607","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1507.08607v1","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.08607","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"UAYEK77B5WU5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UAYEK77B5WU5ZKFW","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UAYEK77B","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:d1fd44598e7cc93052427a4fc601aff8e8a0c7e1f5f1fd1e73cd676fac56a4f9","target":"graph","created_at":"2026-05-18T01:24:53Z","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":"An emissivity formula is derived using the generalised Fermi-Weizacker-Williams method of virtual photons which accounts for the recoil the charged particle experiences as it emits radiation. It is found that through this derivation the formula obtained by Sokolov et al using QED perturbation theory is recovered. The corrected emissivity formula is applied to nonlinear Thomson scattering scenarios in the transition from the classical to the quantum regime, for small values of the nonlinear quantum parameter \\chi. Good agreement is found between this method and a QED probabilistic approach for ","authors_text":"J. L. Martins, J. Vieira, L. O. Silva, M. Vranic, R. A. Fonseca, T. Grismayer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-07-30T18:08:48Z","title":"Modelling radiation emission in the transition from the classical to the quantum regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.08607","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":"sha256:1012db41d2234edd5f2b34b2eeca942a6c2b052b74c70b3189572dbd18bb5c5b","target":"record","created_at":"2026-05-18T01:24:53Z","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":"ad2bf42d82ea83156a59d6f4696fdab1ab403ccc234731e99bac4d86ca65c4cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-07-30T18:08:48Z","title_canon_sha256":"6f5e5c246dc23beda1446c29fdcef809971957cc161a81e8ddcabe77e03774a7"},"schema_version":"1.0","source":{"id":"1507.08607","kind":"arxiv","version":1}},"canonical_sha256":"a030457fe1eda9dca8b6e0cf2856560d16512bba666da02036e956dc05d7c21b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a030457fe1eda9dca8b6e0cf2856560d16512bba666da02036e956dc05d7c21b","first_computed_at":"2026-05-18T01:24:53.552979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:53.552979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aMYVCTp5H7yntItRtSy5YVg1DCjoOf1mWKG7Ltdj8fe1zED4951fe6cOkGHL6d5gqBERET3EfSREbNRISBeeBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:53.553562Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.08607","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1012db41d2234edd5f2b34b2eeca942a6c2b052b74c70b3189572dbd18bb5c5b","sha256:d1fd44598e7cc93052427a4fc601aff8e8a0c7e1f5f1fd1e73cd676fac56a4f9"],"state_sha256":"1c3e134c53a4fc24f03125992b7a56ae59b5cd2189d1511bfe980e7dfc1d0216"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fo64ze3OdVAYCKIWFqX4ScSAo2iNH8hK5aYL+9MNVqf0lZlSpTihXD413RJH12rCDD+2K3iG26o+mu5wV4c+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T22:19:04.742226Z","bundle_sha256":"f0ae4f1b98608293a06d1caba07ace1c31b30798bab7d6dfaf4de9fbe63d0094"}}