{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:H7TYXWZEM5M7JAYMDP7GZSCWT6","short_pith_number":"pith:H7TYXWZE","canonical_record":{"source":{"id":"1803.02990","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-03-08T07:38:06Z","cross_cats_sorted":[],"title_canon_sha256":"58e3f38308625d675dab80732b80500d9abe528fa5aa78f769ee9478c18745dd","abstract_canon_sha256":"2cd21f400dc8fbfa86ff1add602dfbd9ccd6c97573f774ca86d9cff2cce31baf"},"schema_version":"1.0"},"canonical_sha256":"3fe78bdb246759f4830c1bfe6cc8569fb3406a11de454c01d4119c98dc5fa801","source":{"kind":"arxiv","id":"1803.02990","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.02990","created_at":"2026-05-18T00:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"1803.02990v1","created_at":"2026-05-18T00:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02990","created_at":"2026-05-18T00:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"H7TYXWZEM5M7","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"H7TYXWZEM5M7JAYM","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"H7TYXWZE","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:H7TYXWZEM5M7JAYMDP7GZSCWT6","target":"record","payload":{"canonical_record":{"source":{"id":"1803.02990","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-03-08T07:38:06Z","cross_cats_sorted":[],"title_canon_sha256":"58e3f38308625d675dab80732b80500d9abe528fa5aa78f769ee9478c18745dd","abstract_canon_sha256":"2cd21f400dc8fbfa86ff1add602dfbd9ccd6c97573f774ca86d9cff2cce31baf"},"schema_version":"1.0"},"canonical_sha256":"3fe78bdb246759f4830c1bfe6cc8569fb3406a11de454c01d4119c98dc5fa801","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:38.401993Z","signature_b64":"iYUaGBhhqco01Nw7dfHINdy9s579iBWzLVO+B8MOgwFLIJn4oWsXWkjw3GghP0rpUPJQOXedVozouZT0QXGoDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3fe78bdb246759f4830c1bfe6cc8569fb3406a11de454c01d4119c98dc5fa801","last_reissued_at":"2026-05-18T00:17:38.401389Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:38.401389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.02990","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":"2026-05-18T00:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vJgbKHTsiLpoyuVWapSmPbTk9sg2DK90n+wEMIWHGtju+buH3hvyKcdFKHO/wXjJOVoko4kYZGuUbOUVW4W6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T03:51:11.591872Z"},"content_sha256":"a1adec0748d43414288c773b4d28c11199b313388b33cfe939ff725479cc9275","schema_version":"1.0","event_id":"sha256:a1adec0748d43414288c773b4d28c11199b313388b33cfe939ff725479cc9275"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:H7TYXWZEM5M7JAYMDP7GZSCWT6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The electrostatic instability for realistic pair distributions in blazar/EBL cascades","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"I. Rafighi, J. Niemiec, M. Pohl, S. Vafin","submitted_at":"2018-03-08T07:38:06Z","abstract_excerpt":"This work revisits the electrostatic instability for blazar-induced pair beams propagating through IGM with the methods of linear analysis and PIC simulations. We study the impact of the realistic distribution function of pairs resulting from interaction of high-energy gamma-rays with the extragalactic background light. We present analytical and numerical calculations of the linear growth rate of the instability for arbitrary orientation of wave vectors. Our results explicitly demonstrate that the finite angular spread of the beam dramatically affects the growth rate of the waves, leading to f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02990","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":""},"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":"2026-05-18T00:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8IerI5Hdp96Opd2wkuAsMNJ0OlzcXw/+vdOJ+Wt3Zxxz2Kjjkrgq07CqS8Lz2RwbA7c+94QaVlfcUYk5OVeUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T03:51:11.592456Z"},"content_sha256":"b94f5a208db19fd8d92dfba3e7ec1297d03592425631a3032dc0fd6d7e981917","schema_version":"1.0","event_id":"sha256:b94f5a208db19fd8d92dfba3e7ec1297d03592425631a3032dc0fd6d7e981917"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6/bundle.json","state_url":"https://pith.science/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6/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":"2026-05-19T03:51:11Z","links":{"resolver":"https://pith.science/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6","bundle":"https://pith.science/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6/bundle.json","state":"https://pith.science/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H7TYXWZEM5M7JAYMDP7GZSCWT6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:H7TYXWZEM5M7JAYMDP7GZSCWT6","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":"2cd21f400dc8fbfa86ff1add602dfbd9ccd6c97573f774ca86d9cff2cce31baf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-03-08T07:38:06Z","title_canon_sha256":"58e3f38308625d675dab80732b80500d9abe528fa5aa78f769ee9478c18745dd"},"schema_version":"1.0","source":{"id":"1803.02990","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.02990","created_at":"2026-05-18T00:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"1803.02990v1","created_at":"2026-05-18T00:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02990","created_at":"2026-05-18T00:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"H7TYXWZEM5M7","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"H7TYXWZEM5M7JAYM","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"H7TYXWZE","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:b94f5a208db19fd8d92dfba3e7ec1297d03592425631a3032dc0fd6d7e981917","target":"graph","created_at":"2026-05-18T00:17:38Z","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":"This work revisits the electrostatic instability for blazar-induced pair beams propagating through IGM with the methods of linear analysis and PIC simulations. We study the impact of the realistic distribution function of pairs resulting from interaction of high-energy gamma-rays with the extragalactic background light. We present analytical and numerical calculations of the linear growth rate of the instability for arbitrary orientation of wave vectors. Our results explicitly demonstrate that the finite angular spread of the beam dramatically affects the growth rate of the waves, leading to f","authors_text":"I. Rafighi, J. Niemiec, M. Pohl, S. Vafin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-03-08T07:38:06Z","title":"The electrostatic instability for realistic pair distributions in blazar/EBL cascades"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02990","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:a1adec0748d43414288c773b4d28c11199b313388b33cfe939ff725479cc9275","target":"record","created_at":"2026-05-18T00:17:38Z","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":"2cd21f400dc8fbfa86ff1add602dfbd9ccd6c97573f774ca86d9cff2cce31baf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-03-08T07:38:06Z","title_canon_sha256":"58e3f38308625d675dab80732b80500d9abe528fa5aa78f769ee9478c18745dd"},"schema_version":"1.0","source":{"id":"1803.02990","kind":"arxiv","version":1}},"canonical_sha256":"3fe78bdb246759f4830c1bfe6cc8569fb3406a11de454c01d4119c98dc5fa801","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3fe78bdb246759f4830c1bfe6cc8569fb3406a11de454c01d4119c98dc5fa801","first_computed_at":"2026-05-18T00:17:38.401389Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:38.401389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iYUaGBhhqco01Nw7dfHINdy9s579iBWzLVO+B8MOgwFLIJn4oWsXWkjw3GghP0rpUPJQOXedVozouZT0QXGoDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:38.401993Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.02990","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1adec0748d43414288c773b4d28c11199b313388b33cfe939ff725479cc9275","sha256:b94f5a208db19fd8d92dfba3e7ec1297d03592425631a3032dc0fd6d7e981917"],"state_sha256":"2db085176ecf8d992ad97e9e24e5268638d79dcaad2b9f9f18c709fc35aec390"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XC1n42D6s80RI2IXOKFjyWjyToCCpxbK0tEZiFEZsSeL/JwOgoItFFdvTaJykiv0WK2lFc9Bt/Q3IQIDafPvAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T03:51:11.593680Z","bundle_sha256":"9b8cc4d5e64c3701ca2f0b9c3b45ea1f1ca2a67fa760717ce8ff9a8b7a34cb80"}}