{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:DUU3INCKV5QATVNLUDMZUXQRPC","short_pith_number":"pith:DUU3INCK","canonical_record":{"source":{"id":"physics/0003096","kind":"arxiv","version":6},"metadata":{"license":"","primary_cat":"physics.class-ph","submitted_at":"2000-03-29T18:02:10Z","cross_cats_sorted":[],"title_canon_sha256":"902bbae81fc8ac24381c95fc99167fe94a3610143a34621d996ef19237bfdaa6","abstract_canon_sha256":"bae19ee42c1241528431512e60d45a33565a537248ca32c9ddb23ac768f8de9d"},"schema_version":"1.0"},"canonical_sha256":"1d29b4344aaf6009d5aba0d99a5e11788ec33f4417b49fbeca22f1d2197a6b87","source":{"kind":"arxiv","id":"physics/0003096","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0003096","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0003096v6","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0003096","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"pith_short_12","alias_value":"DUU3INCKV5QA","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"pith_short_16","alias_value":"DUU3INCKV5QATVNL","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"pith_short_8","alias_value":"DUU3INCK","created_at":"2026-07-04T14:43:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:DUU3INCKV5QATVNLUDMZUXQRPC","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0003096","kind":"arxiv","version":6},"metadata":{"license":"","primary_cat":"physics.class-ph","submitted_at":"2000-03-29T18:02:10Z","cross_cats_sorted":[],"title_canon_sha256":"902bbae81fc8ac24381c95fc99167fe94a3610143a34621d996ef19237bfdaa6","abstract_canon_sha256":"bae19ee42c1241528431512e60d45a33565a537248ca32c9ddb23ac768f8de9d"},"schema_version":"1.0"},"canonical_sha256":"1d29b4344aaf6009d5aba0d99a5e11788ec33f4417b49fbeca22f1d2197a6b87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:43:14.215914Z","signature_b64":"bWj5+ETomyQjfUKbXY/dojjM4wG25y1VChUB69zrj9PByUBm3iNh4hpUPzzj++IiuV9b4L6znzpM0VTYyDEgCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d29b4344aaf6009d5aba0d99a5e11788ec33f4417b49fbeca22f1d2197a6b87","last_reissued_at":"2026-07-04T14:43:14.215544Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:43:14.215544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0003096","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:43:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ey4wqCT5CAjk0LUNjpg15uewq80ruCjqTexAKnV5F5m6Pf0Mj7wQ42u3KkRk5KaT3LHu8XZPXXL7vtcynINEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T11:50:15.326204Z"},"content_sha256":"8716c857f52dc5c5bcd73c21aa6cba7eb11c634c2e9bd73f644a55299fdbd5f9","schema_version":"1.0","event_id":"sha256:8716c857f52dc5c5bcd73c21aa6cba7eb11c634c2e9bd73f644a55299fdbd5f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:DUU3INCKV5QATVNLUDMZUXQRPC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical Radiation Processes in the Weizsacker-Williams Approximation","license":"","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Kirk T. McDonald, Max S. Zolotorev","submitted_at":"2000-03-29T18:02:10Z","abstract_excerpt":"The main features of radiation by relativistic electrons are well approximated in the Weizsacker-Williams method of virtual quanta. This method is best known for its application to radiation during elementary particle collisions, but is equally useful in describing \"classical\" radiation emitted during the interaction of a single relativistic electron with an extended system, such as synchrotron radiation, undulator radiation, transition radiation and Cerenkov radiation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0003096","kind":"arxiv","version":6},"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/physics/0003096/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":"2026-07-04T14:43:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H3T3AXkyhd2T4/34iR2MeUF5Og148PgQzXrllhE/ifUduUEhRGgpqW+L9nBxMxDk2nRm4KH5ZR0VoE+wKq/jCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T11:50:15.326588Z"},"content_sha256":"9d50df7eb7a20626e96c2fe96d94f817b3960a1ae3a955b2b09aaa373792c137","schema_version":"1.0","event_id":"sha256:9d50df7eb7a20626e96c2fe96d94f817b3960a1ae3a955b2b09aaa373792c137"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUU3INCKV5QATVNLUDMZUXQRPC/bundle.json","state_url":"https://pith.science/pith/DUU3INCKV5QATVNLUDMZUXQRPC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUU3INCKV5QATVNLUDMZUXQRPC/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":"2026-07-13T11:50:15Z","links":{"resolver":"https://pith.science/pith/DUU3INCKV5QATVNLUDMZUXQRPC","bundle":"https://pith.science/pith/DUU3INCKV5QATVNLUDMZUXQRPC/bundle.json","state":"https://pith.science/pith/DUU3INCKV5QATVNLUDMZUXQRPC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUU3INCKV5QATVNLUDMZUXQRPC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:DUU3INCKV5QATVNLUDMZUXQRPC","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":"bae19ee42c1241528431512e60d45a33565a537248ca32c9ddb23ac768f8de9d","cross_cats_sorted":[],"license":"","primary_cat":"physics.class-ph","submitted_at":"2000-03-29T18:02:10Z","title_canon_sha256":"902bbae81fc8ac24381c95fc99167fe94a3610143a34621d996ef19237bfdaa6"},"schema_version":"1.0","source":{"id":"physics/0003096","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0003096","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0003096v6","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0003096","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"pith_short_12","alias_value":"DUU3INCKV5QA","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"pith_short_16","alias_value":"DUU3INCKV5QATVNL","created_at":"2026-07-04T14:43:14Z"},{"alias_kind":"pith_short_8","alias_value":"DUU3INCK","created_at":"2026-07-04T14:43:14Z"}],"graph_snapshots":[{"event_id":"sha256:9d50df7eb7a20626e96c2fe96d94f817b3960a1ae3a955b2b09aaa373792c137","target":"graph","created_at":"2026-07-04T14:43:14Z","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/physics/0003096/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The main features of radiation by relativistic electrons are well approximated in the Weizsacker-Williams method of virtual quanta. This method is best known for its application to radiation during elementary particle collisions, but is equally useful in describing \"classical\" radiation emitted during the interaction of a single relativistic electron with an extended system, such as synchrotron radiation, undulator radiation, transition radiation and Cerenkov radiation.","authors_text":"Kirk T. McDonald, Max S. Zolotorev","cross_cats":[],"headline":"","license":"","primary_cat":"physics.class-ph","submitted_at":"2000-03-29T18:02:10Z","title":"Classical Radiation Processes in the Weizsacker-Williams Approximation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0003096","kind":"arxiv","version":6},"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":"sha256:8716c857f52dc5c5bcd73c21aa6cba7eb11c634c2e9bd73f644a55299fdbd5f9","target":"record","created_at":"2026-07-04T14:43:14Z","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":"bae19ee42c1241528431512e60d45a33565a537248ca32c9ddb23ac768f8de9d","cross_cats_sorted":[],"license":"","primary_cat":"physics.class-ph","submitted_at":"2000-03-29T18:02:10Z","title_canon_sha256":"902bbae81fc8ac24381c95fc99167fe94a3610143a34621d996ef19237bfdaa6"},"schema_version":"1.0","source":{"id":"physics/0003096","kind":"arxiv","version":6}},"canonical_sha256":"1d29b4344aaf6009d5aba0d99a5e11788ec33f4417b49fbeca22f1d2197a6b87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d29b4344aaf6009d5aba0d99a5e11788ec33f4417b49fbeca22f1d2197a6b87","first_computed_at":"2026-07-04T14:43:14.215544Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:43:14.215544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bWj5+ETomyQjfUKbXY/dojjM4wG25y1VChUB69zrj9PByUBm3iNh4hpUPzzj++IiuV9b4L6znzpM0VTYyDEgCw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:43:14.215914Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0003096","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8716c857f52dc5c5bcd73c21aa6cba7eb11c634c2e9bd73f644a55299fdbd5f9","sha256:9d50df7eb7a20626e96c2fe96d94f817b3960a1ae3a955b2b09aaa373792c137"],"state_sha256":"fc7a0ca4e57e4fe62e2933c247119c3a1cda5190515759ffa425aad9384b4dfa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSZXHCR/x5RFrFefcCZ2B6qo23Ihwu+ZERf+aMk2iaqqAYP1fxpL1Ik8GdPCjsXSk3hAa6UXq6TLvnp08laADg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T11:50:15.328638Z","bundle_sha256":"682adcd98b7ceb05b7486f1db6f6a97032425b06187fb6babd4be7dd5a6b221d"}}