{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QGT3WIGAYF4FI2HNRJLQE36W2J","short_pith_number":"pith:QGT3WIGA","canonical_record":{"source":{"id":"1004.0172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-01T16:25:32Z","cross_cats_sorted":[],"title_canon_sha256":"f461e69f5a2f8481674c98bf21f52eeffe6575f980bc7eaefdfeba717a473351","abstract_canon_sha256":"a744885baa4e5a48451f2470255af6a85587eac1c808acefe5069277d95ebea0"},"schema_version":"1.0"},"canonical_sha256":"81a7bb20c0c1785468ed8a57026fd6d2764b8ab16137168c7069daddab2f85fc","source":{"kind":"arxiv","id":"1004.0172","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0172","created_at":"2026-05-18T02:08:14Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0172v2","created_at":"2026-05-18T02:08:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0172","created_at":"2026-05-18T02:08:14Z"},{"alias_kind":"pith_short_12","alias_value":"QGT3WIGAYF4F","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QGT3WIGAYF4FI2HN","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QGT3WIGA","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QGT3WIGAYF4FI2HNRJLQE36W2J","target":"record","payload":{"canonical_record":{"source":{"id":"1004.0172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-01T16:25:32Z","cross_cats_sorted":[],"title_canon_sha256":"f461e69f5a2f8481674c98bf21f52eeffe6575f980bc7eaefdfeba717a473351","abstract_canon_sha256":"a744885baa4e5a48451f2470255af6a85587eac1c808acefe5069277d95ebea0"},"schema_version":"1.0"},"canonical_sha256":"81a7bb20c0c1785468ed8a57026fd6d2764b8ab16137168c7069daddab2f85fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:14.980919Z","signature_b64":"+wHhIhnN7093lg2+RWD2aMADGmt/kl7ppvuTTh8pey0PyjEF1dWuXGReBcUyomRAolN3DPPRLwtoTq6aNnxnAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81a7bb20c0c1785468ed8a57026fd6d2764b8ab16137168c7069daddab2f85fc","last_reissued_at":"2026-05-18T02:08:14.980535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:14.980535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.0172","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":"2026-05-18T02:08:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rxnlRqn81TQDAU4w8x3RaE8j76GkD9kc0vKkkKK7PhcC5lMiBQS0lMfeY27sRXswCA1TfeMRtIecXz6iEEmoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:43:23.347769Z"},"content_sha256":"7f8d9f68081126c69e0577643636aa8747d61a307594d46143f8aa4d9e5bf6bf","schema_version":"1.0","event_id":"sha256:7f8d9f68081126c69e0577643636aa8747d61a307594d46143f8aa4d9e5bf6bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QGT3WIGAYF4FI2HNRJLQE36W2J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time dependent gamma-ray production in the anisotropic IC $e^\\pm$ pair cascade initiated by electrons in active galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"J. Sitarek, W. Bednarek","submitted_at":"2010-04-01T16:25:32Z","abstract_excerpt":"New high energy emission features have been recently discovered by the Cherenkov telescopes from active galaxies e.g., a few minutes variability time scale of TeV emission from Mrk 501 and PKS 2155-304, sub-TeV $\\gamma$-ray emission from GeV peaked blazar 3C 279, and TeV emission from two nearby active galaxies, M87 and Cen A, which jets are inclined at a relatively large angle to the line of sight. These results have put a new light on the high energy processes occurring in central parts of active galaxies stimulating more detailed studies of $\\gamma$-ray emission models. Here we report the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0172","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":"2026-05-18T02:08:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1HtmVMKnkKPi+3K2SifrW8yn0+nc6puREGrY58MRti3TaOMX/PJOcPzIU1sfBK1WbLEDrs8/firjOK5oY7qYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:43:23.348441Z"},"content_sha256":"634c76b7618dfd62679985857e6947924d4f53c3096a03c330a25f6fbde388ec","schema_version":"1.0","event_id":"sha256:634c76b7618dfd62679985857e6947924d4f53c3096a03c330a25f6fbde388ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGT3WIGAYF4FI2HNRJLQE36W2J/bundle.json","state_url":"https://pith.science/pith/QGT3WIGAYF4FI2HNRJLQE36W2J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGT3WIGAYF4FI2HNRJLQE36W2J/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":"2026-06-06T15:43:23Z","links":{"resolver":"https://pith.science/pith/QGT3WIGAYF4FI2HNRJLQE36W2J","bundle":"https://pith.science/pith/QGT3WIGAYF4FI2HNRJLQE36W2J/bundle.json","state":"https://pith.science/pith/QGT3WIGAYF4FI2HNRJLQE36W2J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGT3WIGAYF4FI2HNRJLQE36W2J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QGT3WIGAYF4FI2HNRJLQE36W2J","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":"a744885baa4e5a48451f2470255af6a85587eac1c808acefe5069277d95ebea0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-01T16:25:32Z","title_canon_sha256":"f461e69f5a2f8481674c98bf21f52eeffe6575f980bc7eaefdfeba717a473351"},"schema_version":"1.0","source":{"id":"1004.0172","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0172","created_at":"2026-05-18T02:08:14Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0172v2","created_at":"2026-05-18T02:08:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0172","created_at":"2026-05-18T02:08:14Z"},{"alias_kind":"pith_short_12","alias_value":"QGT3WIGAYF4F","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QGT3WIGAYF4FI2HN","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QGT3WIGA","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:634c76b7618dfd62679985857e6947924d4f53c3096a03c330a25f6fbde388ec","target":"graph","created_at":"2026-05-18T02:08:14Z","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":"New high energy emission features have been recently discovered by the Cherenkov telescopes from active galaxies e.g., a few minutes variability time scale of TeV emission from Mrk 501 and PKS 2155-304, sub-TeV $\\gamma$-ray emission from GeV peaked blazar 3C 279, and TeV emission from two nearby active galaxies, M87 and Cen A, which jets are inclined at a relatively large angle to the line of sight. These results have put a new light on the high energy processes occurring in central parts of active galaxies stimulating more detailed studies of $\\gamma$-ray emission models. Here we report the r","authors_text":"J. Sitarek, W. Bednarek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-01T16:25:32Z","title":"Time dependent gamma-ray production in the anisotropic IC $e^\\pm$ pair cascade initiated by electrons in active galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0172","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":"sha256:7f8d9f68081126c69e0577643636aa8747d61a307594d46143f8aa4d9e5bf6bf","target":"record","created_at":"2026-05-18T02:08:14Z","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":"a744885baa4e5a48451f2470255af6a85587eac1c808acefe5069277d95ebea0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-01T16:25:32Z","title_canon_sha256":"f461e69f5a2f8481674c98bf21f52eeffe6575f980bc7eaefdfeba717a473351"},"schema_version":"1.0","source":{"id":"1004.0172","kind":"arxiv","version":2}},"canonical_sha256":"81a7bb20c0c1785468ed8a57026fd6d2764b8ab16137168c7069daddab2f85fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81a7bb20c0c1785468ed8a57026fd6d2764b8ab16137168c7069daddab2f85fc","first_computed_at":"2026-05-18T02:08:14.980535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:14.980535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+wHhIhnN7093lg2+RWD2aMADGmt/kl7ppvuTTh8pey0PyjEF1dWuXGReBcUyomRAolN3DPPRLwtoTq6aNnxnAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:14.980919Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0172","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f8d9f68081126c69e0577643636aa8747d61a307594d46143f8aa4d9e5bf6bf","sha256:634c76b7618dfd62679985857e6947924d4f53c3096a03c330a25f6fbde388ec"],"state_sha256":"a3b9295600da43014621aa743adcc9d978b70a35c31a13477f21ce5424a73e4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGk88K/QCzi27I1K8fAelqOc9q6qPdSmjaSJjgXiDLYc77PBxXiD9tpGaqLriMGEUgUCURcOg3POhMZ1h52bCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T15:43:23.351989Z","bundle_sha256":"a612197f1d1010a95a96ee064d9eb9eefbc8634b4bb43e0c2269d45bedbcbee4"}}