{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:K5IUYB5J7JFXQTOETQMG6F6COG","short_pith_number":"pith:K5IUYB5J","canonical_record":{"source":{"id":"2010.15287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-29T00:14:13Z","cross_cats_sorted":[],"title_canon_sha256":"20619c69a33ad491182105517f50f81e6631fcd734abde81fd9a758ca5b7bd14","abstract_canon_sha256":"78c74d47c272b13031ad2b44518963105c83f158c311c5cf41cf9e2c76666ebd"},"schema_version":"1.0"},"canonical_sha256":"57514c07a9fa4b784dc49c186f17c271a0d95878c7d393cd00e38a8531981f3d","source":{"kind":"arxiv","id":"2010.15287","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15287","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15287v1","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15287","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"K5IUYB5J7JFX","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"pith_short_16","alias_value":"K5IUYB5J7JFXQTOE","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"pith_short_8","alias_value":"K5IUYB5J","created_at":"2026-07-05T01:47:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:K5IUYB5J7JFXQTOETQMG6F6COG","target":"record","payload":{"canonical_record":{"source":{"id":"2010.15287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-29T00:14:13Z","cross_cats_sorted":[],"title_canon_sha256":"20619c69a33ad491182105517f50f81e6631fcd734abde81fd9a758ca5b7bd14","abstract_canon_sha256":"78c74d47c272b13031ad2b44518963105c83f158c311c5cf41cf9e2c76666ebd"},"schema_version":"1.0"},"canonical_sha256":"57514c07a9fa4b784dc49c186f17c271a0d95878c7d393cd00e38a8531981f3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:47:35.523798Z","signature_b64":"5+zupgXc6+tjPA4qc7M4zfCUZKAMzEoo99xoD+PfIJnHLYUrCsCVisWr4YOqOx8jgI5mn7ISOLhOcGLRD5/fBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57514c07a9fa4b784dc49c186f17c271a0d95878c7d393cd00e38a8531981f3d","last_reissued_at":"2026-07-05T01:47:35.523363Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:47:35.523363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.15287","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":"2026-07-05T01:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PqOfV1vdyOXxKLBz1t6nJRt1N0l3+sLmSbkktJvx+q66gzT2ZLzQZyeSDLL2oWc/VfGtE0nG2KNVgC7AnOSAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T03:02:33.119234Z"},"content_sha256":"ad096dd21f09813502afd05bb1b0a680a076103e772bf931c244729974c5dee2","schema_version":"1.0","event_id":"sha256:ad096dd21f09813502afd05bb1b0a680a076103e772bf931c244729974c5dee2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:K5IUYB5J7JFXQTOETQMG6F6COG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A time-dependent particle acceleration and emission model: Understanding the particle spectral evolution and blazar flares","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. Y. Yang, J. M. Bai, S. J. Kang, Y. G. Zheng","submitted_at":"2020-10-29T00:14:13Z","abstract_excerpt":"The jets of blazars are renowned for their multi-wavelength flares and rapid extreme variability; however, there are still some important unanswered questions about the physical processes responsible for these spectral and temporal changes in emission properties. In this paper, we develop a time-dependent particle evolution model for the time-varying emission spectrum of blazars. In the model, we introduce time-dependent electric and magnetic fields, which consistently include the variability of relevant physical quantities in the transport equation. The evolution on the electron distribution "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15287","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/2010.15287/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":"2026-07-05T01:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J6SsZ5cKrkOVtknj6jKQCaZv9tl251Z1o4Fzhbw8xv5SlDvCXZupo5d5ze7Nx/QJXU+QmeCyVWUhuP65xgbzDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T03:02:33.119964Z"},"content_sha256":"ee031e075c14b5309569c33b911eaedb63b2db94868841ddc39d7c53571b33ef","schema_version":"1.0","event_id":"sha256:ee031e075c14b5309569c33b911eaedb63b2db94868841ddc39d7c53571b33ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K5IUYB5J7JFXQTOETQMG6F6COG/bundle.json","state_url":"https://pith.science/pith/K5IUYB5J7JFXQTOETQMG6F6COG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K5IUYB5J7JFXQTOETQMG6F6COG/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":"2026-08-11T03:02:33Z","links":{"resolver":"https://pith.science/pith/K5IUYB5J7JFXQTOETQMG6F6COG","bundle":"https://pith.science/pith/K5IUYB5J7JFXQTOETQMG6F6COG/bundle.json","state":"https://pith.science/pith/K5IUYB5J7JFXQTOETQMG6F6COG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K5IUYB5J7JFXQTOETQMG6F6COG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:K5IUYB5J7JFXQTOETQMG6F6COG","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":"78c74d47c272b13031ad2b44518963105c83f158c311c5cf41cf9e2c76666ebd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-29T00:14:13Z","title_canon_sha256":"20619c69a33ad491182105517f50f81e6631fcd734abde81fd9a758ca5b7bd14"},"schema_version":"1.0","source":{"id":"2010.15287","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15287","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15287v1","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15287","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"K5IUYB5J7JFX","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"pith_short_16","alias_value":"K5IUYB5J7JFXQTOE","created_at":"2026-07-05T01:47:35Z"},{"alias_kind":"pith_short_8","alias_value":"K5IUYB5J","created_at":"2026-07-05T01:47:35Z"}],"graph_snapshots":[{"event_id":"sha256:ee031e075c14b5309569c33b911eaedb63b2db94868841ddc39d7c53571b33ef","target":"graph","created_at":"2026-07-05T01:47:35Z","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/2010.15287/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The jets of blazars are renowned for their multi-wavelength flares and rapid extreme variability; however, there are still some important unanswered questions about the physical processes responsible for these spectral and temporal changes in emission properties. In this paper, we develop a time-dependent particle evolution model for the time-varying emission spectrum of blazars. In the model, we introduce time-dependent electric and magnetic fields, which consistently include the variability of relevant physical quantities in the transport equation. The evolution on the electron distribution ","authors_text":"C. Y. Yang, J. M. Bai, S. J. Kang, Y. G. Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-29T00:14:13Z","title":"A time-dependent particle acceleration and emission model: Understanding the particle spectral evolution and blazar flares"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15287","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:ad096dd21f09813502afd05bb1b0a680a076103e772bf931c244729974c5dee2","target":"record","created_at":"2026-07-05T01:47:35Z","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":"78c74d47c272b13031ad2b44518963105c83f158c311c5cf41cf9e2c76666ebd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-29T00:14:13Z","title_canon_sha256":"20619c69a33ad491182105517f50f81e6631fcd734abde81fd9a758ca5b7bd14"},"schema_version":"1.0","source":{"id":"2010.15287","kind":"arxiv","version":1}},"canonical_sha256":"57514c07a9fa4b784dc49c186f17c271a0d95878c7d393cd00e38a8531981f3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57514c07a9fa4b784dc49c186f17c271a0d95878c7d393cd00e38a8531981f3d","first_computed_at":"2026-07-05T01:47:35.523363Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:47:35.523363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5+zupgXc6+tjPA4qc7M4zfCUZKAMzEoo99xoD+PfIJnHLYUrCsCVisWr4YOqOx8jgI5mn7ISOLhOcGLRD5/fBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:47:35.523798Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.15287","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad096dd21f09813502afd05bb1b0a680a076103e772bf931c244729974c5dee2","sha256:ee031e075c14b5309569c33b911eaedb63b2db94868841ddc39d7c53571b33ef"],"state_sha256":"6fadcb0f164a025b045c0501d7ffca21ad4db8597ce7f5976764e8e030e3a2c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pmAQsVTMg8h3L7rh2+Gee8i7ikbAF+m9MuC9/3hp0DJw7SDIR+msP8DEpWFsikbz1VUeEyLgy88Z+icC2BVjDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T03:02:33.123916Z","bundle_sha256":"a281e9ebab06a2df7eb7179f31b226654e635d8517d01f948ad4bfd302fab1aa"}}