{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7I3C5FSGN67W74C5T2O2MTR2IL","short_pith_number":"pith:7I3C5FSG","canonical_record":{"source":{"id":"1601.07349","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-27T13:01:09Z","cross_cats_sorted":[],"title_canon_sha256":"35208c0fb2b86a4831c3cd573b57971128194e03350743de1d9ddb5c67f70e1c","abstract_canon_sha256":"fcd8a53b2eb4305dd7bdac78172153a457451f2c13b46868001c12130c627931"},"schema_version":"1.0"},"canonical_sha256":"fa362e96466fbf6ff05d9e9da64e3a42e1224da2483bdbedf76af96020ac4431","source":{"kind":"arxiv","id":"1601.07349","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07349","created_at":"2026-05-18T01:08:42Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07349v3","created_at":"2026-05-18T01:08:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07349","created_at":"2026-05-18T01:08:42Z"},{"alias_kind":"pith_short_12","alias_value":"7I3C5FSGN67W","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7I3C5FSGN67W74C5","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7I3C5FSG","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7I3C5FSGN67W74C5T2O2MTR2IL","target":"record","payload":{"canonical_record":{"source":{"id":"1601.07349","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-27T13:01:09Z","cross_cats_sorted":[],"title_canon_sha256":"35208c0fb2b86a4831c3cd573b57971128194e03350743de1d9ddb5c67f70e1c","abstract_canon_sha256":"fcd8a53b2eb4305dd7bdac78172153a457451f2c13b46868001c12130c627931"},"schema_version":"1.0"},"canonical_sha256":"fa362e96466fbf6ff05d9e9da64e3a42e1224da2483bdbedf76af96020ac4431","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:42.776934Z","signature_b64":"igcGkfIRJXTxw+enXe3NkA8336fexUI2e9iNYmEmPXtzx3zi/IKRV00eCTZncljXgZc0aOahuzFG2IxAcKiEBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa362e96466fbf6ff05d9e9da64e3a42e1224da2483bdbedf76af96020ac4431","last_reissued_at":"2026-05-18T01:08:42.776449Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:42.776449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.07349","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:08:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ahGEAdK0rnKmeDBw9fY168HqyQgZewM8KSGiBkqt/H6QPSxtLIWaA6NzuDZskZ5Eejh4bQKQvFi+J8ey6CPBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:16:41.948862Z"},"content_sha256":"2f275c92a8e6e60a4903c9e22a68ce663266a2afca84713bae04e61fb2b905d8","schema_version":"1.0","event_id":"sha256:2f275c92a8e6e60a4903c9e22a68ce663266a2afca84713bae04e61fb2b905d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7I3C5FSGN67W74C5T2O2MTR2IL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beaming of particles and synchrotron radiation in relativistic magnetic reconnection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Daniel Kagan, Ehud Nakar, Tsvi Piran","submitted_at":"2016-01-27T13:01:09Z","abstract_excerpt":"Relativistic reconnection has been invoked as a mechanism for particle acceleration in numerous astrophysical systems. According to idealised analytical models reconnection produces a bulk relativistic outflow emerging from the reconnection sites (X-points). The resulting radiation is therefore highly beamed. Using two-dimensional particle-in-cell (PIC) simulations, we investigate particle and radiation beaming, finding a very different picture. Instead of having a relativistic average bulk motion with isotropic electron velocity distribution in its rest frame, we find that the bulk motion of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07349","kind":"arxiv","version":3},"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":"2026-05-18T01:08:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jMztSm6odrRnu4PwcZtQpZ9K5zj1CkiA1HFDPAa83Pgw87Jcups692Qa79bzp1KKVr3wpNs/FGEYEBPWNFq1AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:16:41.949200Z"},"content_sha256":"c5c11337d35370a9e1fa569a90b466027f6fb813d61bfb2932c060957d26ce2c","schema_version":"1.0","event_id":"sha256:c5c11337d35370a9e1fa569a90b466027f6fb813d61bfb2932c060957d26ce2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7I3C5FSGN67W74C5T2O2MTR2IL/bundle.json","state_url":"https://pith.science/pith/7I3C5FSGN67W74C5T2O2MTR2IL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7I3C5FSGN67W74C5T2O2MTR2IL/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":"2026-06-01T23:16:41Z","links":{"resolver":"https://pith.science/pith/7I3C5FSGN67W74C5T2O2MTR2IL","bundle":"https://pith.science/pith/7I3C5FSGN67W74C5T2O2MTR2IL/bundle.json","state":"https://pith.science/pith/7I3C5FSGN67W74C5T2O2MTR2IL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7I3C5FSGN67W74C5T2O2MTR2IL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7I3C5FSGN67W74C5T2O2MTR2IL","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":"fcd8a53b2eb4305dd7bdac78172153a457451f2c13b46868001c12130c627931","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-27T13:01:09Z","title_canon_sha256":"35208c0fb2b86a4831c3cd573b57971128194e03350743de1d9ddb5c67f70e1c"},"schema_version":"1.0","source":{"id":"1601.07349","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07349","created_at":"2026-05-18T01:08:42Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07349v3","created_at":"2026-05-18T01:08:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07349","created_at":"2026-05-18T01:08:42Z"},{"alias_kind":"pith_short_12","alias_value":"7I3C5FSGN67W","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7I3C5FSGN67W74C5","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7I3C5FSG","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:c5c11337d35370a9e1fa569a90b466027f6fb813d61bfb2932c060957d26ce2c","target":"graph","created_at":"2026-05-18T01:08:42Z","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":"Relativistic reconnection has been invoked as a mechanism for particle acceleration in numerous astrophysical systems. According to idealised analytical models reconnection produces a bulk relativistic outflow emerging from the reconnection sites (X-points). The resulting radiation is therefore highly beamed. Using two-dimensional particle-in-cell (PIC) simulations, we investigate particle and radiation beaming, finding a very different picture. Instead of having a relativistic average bulk motion with isotropic electron velocity distribution in its rest frame, we find that the bulk motion of ","authors_text":"Daniel Kagan, Ehud Nakar, Tsvi Piran","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-27T13:01:09Z","title":"Beaming of particles and synchrotron radiation in relativistic magnetic reconnection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07349","kind":"arxiv","version":3},"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":"sha256:2f275c92a8e6e60a4903c9e22a68ce663266a2afca84713bae04e61fb2b905d8","target":"record","created_at":"2026-05-18T01:08:42Z","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":"fcd8a53b2eb4305dd7bdac78172153a457451f2c13b46868001c12130c627931","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-27T13:01:09Z","title_canon_sha256":"35208c0fb2b86a4831c3cd573b57971128194e03350743de1d9ddb5c67f70e1c"},"schema_version":"1.0","source":{"id":"1601.07349","kind":"arxiv","version":3}},"canonical_sha256":"fa362e96466fbf6ff05d9e9da64e3a42e1224da2483bdbedf76af96020ac4431","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa362e96466fbf6ff05d9e9da64e3a42e1224da2483bdbedf76af96020ac4431","first_computed_at":"2026-05-18T01:08:42.776449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:42.776449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"igcGkfIRJXTxw+enXe3NkA8336fexUI2e9iNYmEmPXtzx3zi/IKRV00eCTZncljXgZc0aOahuzFG2IxAcKiEBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:42.776934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.07349","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f275c92a8e6e60a4903c9e22a68ce663266a2afca84713bae04e61fb2b905d8","sha256:c5c11337d35370a9e1fa569a90b466027f6fb813d61bfb2932c060957d26ce2c"],"state_sha256":"7ac35247d9d01ce81a2e3c906f57455c2cb5bfb2717d57f3751ff9baee633b04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o9KYPGeZcCULFSQwRCGbsAnn5zaclp9PRO5u/6SJmkVldfO4uInoD9LStfkumrt3OzoN+d/2dwOJ38WOiYKjDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T23:16:41.951037Z","bundle_sha256":"f6084d777b42e9b86d92d67909567a5fea49b4191638b99feee5f300241e9faa"}}