{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FTDIHFZOERFDQ7QW5V2Q6UD6UE","short_pith_number":"pith:FTDIHFZO","canonical_record":{"source":{"id":"1512.04257","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-14T11:08:57Z","cross_cats_sorted":[],"title_canon_sha256":"17994be9a7bbdbec69acdc9ffb7024fe70c86eff0f9119fc8f9d924f5120b626","abstract_canon_sha256":"d23ce33d1a2ffad9fae21ff7899e0a41fffd6dcb56dac54ccd74e6ec0d59f25f"},"schema_version":"1.0"},"canonical_sha256":"2cc683972e244a387e16ed750f507ea10b561ef4c59088d88ff759ec1def5a49","source":{"kind":"arxiv","id":"1512.04257","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.04257","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1512.04257v2","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.04257","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"FTDIHFZOERFD","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FTDIHFZOERFDQ7QW","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FTDIHFZO","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FTDIHFZOERFDQ7QW5V2Q6UD6UE","target":"record","payload":{"canonical_record":{"source":{"id":"1512.04257","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-14T11:08:57Z","cross_cats_sorted":[],"title_canon_sha256":"17994be9a7bbdbec69acdc9ffb7024fe70c86eff0f9119fc8f9d924f5120b626","abstract_canon_sha256":"d23ce33d1a2ffad9fae21ff7899e0a41fffd6dcb56dac54ccd74e6ec0d59f25f"},"schema_version":"1.0"},"canonical_sha256":"2cc683972e244a387e16ed750f507ea10b561ef4c59088d88ff759ec1def5a49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:59.672535Z","signature_b64":"XjeUPnk+Xu85xpcx1GSVN96IMMEDwLOL3BvPoozk+GfQWrVc0fAUTMvH0K7Undx0yQOGep/TvvTbSNhCBNtiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cc683972e244a387e16ed750f507ea10b561ef4c59088d88ff759ec1def5a49","last_reissued_at":"2026-05-18T01:12:59.672157Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:59.672157Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.04257","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GKKS4tLRUrJG3wVweYZt1bXAIPVFomEp8qVQIeQScsosxzilYa6svvJrXkVIal5HzZRLpM2pvxi+dyezcpBnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:12:59.016949Z"},"content_sha256":"b8d0a6d483bb951f2516cb913b13bb5c0c41a60a5036317ac9a6c1ac032431cb","schema_version":"1.0","event_id":"sha256:b8d0a6d483bb951f2516cb913b13bb5c0c41a60a5036317ac9a6c1ac032431cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FTDIHFZOERFDQ7QW5V2Q6UD6UE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Particle acceleration, magnetization and radiation in relativistic shocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Evgeny V. Derishev, Tsvi Piran","submitted_at":"2015-12-14T11:08:57Z","abstract_excerpt":"What are the mechanisms of particle acceleration and radiation, as well as magnetic field build up and decay in relativistic shocks are open questions with important implications to various phenomena in high energy astrophysics. While the Weibel instability is possibly responsible for magnetic field build up and diffusive shock acceleration is a model for acceleration, both have problems and current PIC simulation show that particles are accelerated only under special conditions and the magnetic field decays on a short length scale. We present here a novel model for the structure and the emiss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.04257","kind":"arxiv","version":2},"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":"2026-05-18T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Al66d/45fe+oabRcqueHOX8M8MY32T6JdYW1R19JRdgQapIALSi1gbh4DfNwYHdDiAuKLVMJQrYLLCR4p/QGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:12:59.017285Z"},"content_sha256":"bfdaa812d7bc4edd2d3d5c5f14db9dba313646a18cd846a4cf1ab0b22a936663","schema_version":"1.0","event_id":"sha256:bfdaa812d7bc4edd2d3d5c5f14db9dba313646a18cd846a4cf1ab0b22a936663"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE/bundle.json","state_url":"https://pith.science/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE/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":"2026-06-01T20:12:59Z","links":{"resolver":"https://pith.science/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE","bundle":"https://pith.science/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE/bundle.json","state":"https://pith.science/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTDIHFZOERFDQ7QW5V2Q6UD6UE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FTDIHFZOERFDQ7QW5V2Q6UD6UE","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":"d23ce33d1a2ffad9fae21ff7899e0a41fffd6dcb56dac54ccd74e6ec0d59f25f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-14T11:08:57Z","title_canon_sha256":"17994be9a7bbdbec69acdc9ffb7024fe70c86eff0f9119fc8f9d924f5120b626"},"schema_version":"1.0","source":{"id":"1512.04257","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.04257","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1512.04257v2","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.04257","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"FTDIHFZOERFD","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FTDIHFZOERFDQ7QW","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FTDIHFZO","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:bfdaa812d7bc4edd2d3d5c5f14db9dba313646a18cd846a4cf1ab0b22a936663","target":"graph","created_at":"2026-05-18T01:12:59Z","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":"What are the mechanisms of particle acceleration and radiation, as well as magnetic field build up and decay in relativistic shocks are open questions with important implications to various phenomena in high energy astrophysics. While the Weibel instability is possibly responsible for magnetic field build up and diffusive shock acceleration is a model for acceleration, both have problems and current PIC simulation show that particles are accelerated only under special conditions and the magnetic field decays on a short length scale. We present here a novel model for the structure and the emiss","authors_text":"Evgeny V. Derishev, Tsvi Piran","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-14T11:08:57Z","title":"Particle acceleration, magnetization and radiation in relativistic shocks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.04257","kind":"arxiv","version":2},"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:b8d0a6d483bb951f2516cb913b13bb5c0c41a60a5036317ac9a6c1ac032431cb","target":"record","created_at":"2026-05-18T01:12:59Z","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":"d23ce33d1a2ffad9fae21ff7899e0a41fffd6dcb56dac54ccd74e6ec0d59f25f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-14T11:08:57Z","title_canon_sha256":"17994be9a7bbdbec69acdc9ffb7024fe70c86eff0f9119fc8f9d924f5120b626"},"schema_version":"1.0","source":{"id":"1512.04257","kind":"arxiv","version":2}},"canonical_sha256":"2cc683972e244a387e16ed750f507ea10b561ef4c59088d88ff759ec1def5a49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cc683972e244a387e16ed750f507ea10b561ef4c59088d88ff759ec1def5a49","first_computed_at":"2026-05-18T01:12:59.672157Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:59.672157Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XjeUPnk+Xu85xpcx1GSVN96IMMEDwLOL3BvPoozk+GfQWrVc0fAUTMvH0K7Undx0yQOGep/TvvTbSNhCBNtiBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:59.672535Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.04257","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8d0a6d483bb951f2516cb913b13bb5c0c41a60a5036317ac9a6c1ac032431cb","sha256:bfdaa812d7bc4edd2d3d5c5f14db9dba313646a18cd846a4cf1ab0b22a936663"],"state_sha256":"35c57a5843fbcbb9378f8859079dfe901f49055311264f2c0cdc50880bbcb4eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ccUFsy6audbxZ4C0BZ48Za3w7BJ7cJGA1TlGvU/19fvol1nMH1Eyq91aabv9kSA1RGHa3t5+jzb6NAeQ8BTWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:12:59.019129Z","bundle_sha256":"9331fe925b218e38c424855f8664be7bd90ccae25fdf786aa1012a7498558812"}}