{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:UYN54JBQ7GGOIV5STXGXSWGSPF","short_pith_number":"pith:UYN54JBQ","canonical_record":{"source":{"id":"2104.06734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-04-14T09:42:00Z","cross_cats_sorted":[],"title_canon_sha256":"a7fa70ce69e74ae5d408823f65d9fe76e6edc7f6cac7b7b56cf26141f5569e8c","abstract_canon_sha256":"58eda85eee8935101a15f1b3844a931e4545671a08c89a321f22baae61dc60ac"},"schema_version":"1.0"},"canonical_sha256":"a61bde2430f98ce457b29dcd7958d2794bad801906ff055d848d1203388779c4","source":{"kind":"arxiv","id":"2104.06734","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06734","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06734v1","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06734","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"pith_short_12","alias_value":"UYN54JBQ7GGO","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"UYN54JBQ7GGOIV5S","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"UYN54JBQ","created_at":"2026-07-05T02:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:UYN54JBQ7GGOIV5STXGXSWGSPF","target":"record","payload":{"canonical_record":{"source":{"id":"2104.06734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-04-14T09:42:00Z","cross_cats_sorted":[],"title_canon_sha256":"a7fa70ce69e74ae5d408823f65d9fe76e6edc7f6cac7b7b56cf26141f5569e8c","abstract_canon_sha256":"58eda85eee8935101a15f1b3844a931e4545671a08c89a321f22baae61dc60ac"},"schema_version":"1.0"},"canonical_sha256":"a61bde2430f98ce457b29dcd7958d2794bad801906ff055d848d1203388779c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:32:08.862874Z","signature_b64":"f+exyqtcZSXqrRMMvLpLHjGRikSsytitUaGYUoZawEdIqJyUlZXhCE3gDeOg8NNJhoaoiYIaybu2NB2f6gGSAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a61bde2430f98ce457b29dcd7958d2794bad801906ff055d848d1203388779c4","last_reissued_at":"2026-07-05T02:32:08.862436Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:32:08.862436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.06734","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":"2026-07-05T02:32:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Ta21iLQashSqQRVTDKmQ+B2aM6qst8vzHf3aWsUpyOfiniUysLRmIzzlRlIUmW21uBIMKrbqcfwuwdZHcvvDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T22:57:17.874189Z"},"content_sha256":"a3af9068c744469a77f40651abccc60967bc85d1ec2bbdf313c8ac54081d5604","schema_version":"1.0","event_id":"sha256:a3af9068c744469a77f40651abccc60967bc85d1ec2bbdf313c8ac54081d5604"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:UYN54JBQ7GGOIV5STXGXSWGSPF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropic heating and magnetic field generation due to Raman scattering in laser-plasma interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Jorge Vieira, Kevin Schoeffler, Luis O. Silva, Masahiro Hoshino, Ricardo Fonseca, Thales Silva","submitted_at":"2021-04-14T09:42:00Z","abstract_excerpt":"We identify a mechanism for magnetic field generation in the interaction of intense electromagnetic waves and underdense plasmas. We show that Raman scattered plasma waves trap and heat the electrons preferentially in their propagation direction, resulting in a temperature anisotropy. In the trail of the laser pulse, we observe magnetic field growth which matches the Weibel mechanism due to the temperature anisotropy. We discuss the role of the initial electron temperature in our results. The predictions are confirmed with multi-dimensional particle-in-cell simulations. We show how this config"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06734","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/2104.06734/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":"2026-07-05T02:32:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y773ShUQnmgydRDVpP1iQbrzvpm81DQpu+jWyBqPvg+Sfj4kt1kgKGQwKubvmfXG0eoauIZ+OFYiIZDGlaY/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T22:57:17.874587Z"},"content_sha256":"cf93499da259077ce73ad7a1e586f61a4843d5e7af04d93624a4000261af8b84","schema_version":"1.0","event_id":"sha256:cf93499da259077ce73ad7a1e586f61a4843d5e7af04d93624a4000261af8b84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UYN54JBQ7GGOIV5STXGXSWGSPF/bundle.json","state_url":"https://pith.science/pith/UYN54JBQ7GGOIV5STXGXSWGSPF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UYN54JBQ7GGOIV5STXGXSWGSPF/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":"2026-07-08T22:57:17Z","links":{"resolver":"https://pith.science/pith/UYN54JBQ7GGOIV5STXGXSWGSPF","bundle":"https://pith.science/pith/UYN54JBQ7GGOIV5STXGXSWGSPF/bundle.json","state":"https://pith.science/pith/UYN54JBQ7GGOIV5STXGXSWGSPF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UYN54JBQ7GGOIV5STXGXSWGSPF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:UYN54JBQ7GGOIV5STXGXSWGSPF","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":"58eda85eee8935101a15f1b3844a931e4545671a08c89a321f22baae61dc60ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-04-14T09:42:00Z","title_canon_sha256":"a7fa70ce69e74ae5d408823f65d9fe76e6edc7f6cac7b7b56cf26141f5569e8c"},"schema_version":"1.0","source":{"id":"2104.06734","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06734","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06734v1","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06734","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"pith_short_12","alias_value":"UYN54JBQ7GGO","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"UYN54JBQ7GGOIV5S","created_at":"2026-07-05T02:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"UYN54JBQ","created_at":"2026-07-05T02:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:cf93499da259077ce73ad7a1e586f61a4843d5e7af04d93624a4000261af8b84","target":"graph","created_at":"2026-07-05T02:32:08Z","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/2104.06734/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We identify a mechanism for magnetic field generation in the interaction of intense electromagnetic waves and underdense plasmas. We show that Raman scattered plasma waves trap and heat the electrons preferentially in their propagation direction, resulting in a temperature anisotropy. In the trail of the laser pulse, we observe magnetic field growth which matches the Weibel mechanism due to the temperature anisotropy. We discuss the role of the initial electron temperature in our results. The predictions are confirmed with multi-dimensional particle-in-cell simulations. We show how this config","authors_text":"Jorge Vieira, Kevin Schoeffler, Luis O. Silva, Masahiro Hoshino, Ricardo Fonseca, Thales Silva","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-04-14T09:42:00Z","title":"Anisotropic heating and magnetic field generation due to Raman scattering in laser-plasma interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06734","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:a3af9068c744469a77f40651abccc60967bc85d1ec2bbdf313c8ac54081d5604","target":"record","created_at":"2026-07-05T02:32:08Z","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":"58eda85eee8935101a15f1b3844a931e4545671a08c89a321f22baae61dc60ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-04-14T09:42:00Z","title_canon_sha256":"a7fa70ce69e74ae5d408823f65d9fe76e6edc7f6cac7b7b56cf26141f5569e8c"},"schema_version":"1.0","source":{"id":"2104.06734","kind":"arxiv","version":1}},"canonical_sha256":"a61bde2430f98ce457b29dcd7958d2794bad801906ff055d848d1203388779c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a61bde2430f98ce457b29dcd7958d2794bad801906ff055d848d1203388779c4","first_computed_at":"2026-07-05T02:32:08.862436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:32:08.862436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f+exyqtcZSXqrRMMvLpLHjGRikSsytitUaGYUoZawEdIqJyUlZXhCE3gDeOg8NNJhoaoiYIaybu2NB2f6gGSAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:32:08.862874Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.06734","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3af9068c744469a77f40651abccc60967bc85d1ec2bbdf313c8ac54081d5604","sha256:cf93499da259077ce73ad7a1e586f61a4843d5e7af04d93624a4000261af8b84"],"state_sha256":"a96392b7afd988c449cd481c9117718a7832350c78d3eed428d818a2c315acb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CwCJTaaY1wvqmgD7sVoRTMA5DgK4C+yL5KquAIIs4Ie2d7lJDlRPXk3S5mXdjy93kez/n7/lybzFGOXkKFRvBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T22:57:17.876762Z","bundle_sha256":"2268d7cab603c622d2641c32bb2771cff5bf74ce4b7eef1647aa9c712f1d383b"}}