{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:K3IN5NU5QHD43GW6MCGBLNZOQD","short_pith_number":"pith:K3IN5NU5","canonical_record":{"source":{"id":"2112.11272","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-21T14:55:19Z","cross_cats_sorted":[],"title_canon_sha256":"6ccedd2fd6803395568f186db915613372ea691998344565d6036e2acb35aa5a","abstract_canon_sha256":"f0b183ac6e8224ea77d9da0d6e96f9fdba529df582ff1ab956c8e4b759ab8232"},"schema_version":"1.0"},"canonical_sha256":"56d0deb69d81c7cd9ade608c15b72e80ded9d74047fca5b72b68be1a312cf351","source":{"kind":"arxiv","id":"2112.11272","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.11272","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"arxiv_version","alias_value":"2112.11272v2","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.11272","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"pith_short_12","alias_value":"K3IN5NU5QHD4","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"pith_short_16","alias_value":"K3IN5NU5QHD43GW6","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"pith_short_8","alias_value":"K3IN5NU5","created_at":"2026-07-05T03:51:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:K3IN5NU5QHD43GW6MCGBLNZOQD","target":"record","payload":{"canonical_record":{"source":{"id":"2112.11272","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-21T14:55:19Z","cross_cats_sorted":[],"title_canon_sha256":"6ccedd2fd6803395568f186db915613372ea691998344565d6036e2acb35aa5a","abstract_canon_sha256":"f0b183ac6e8224ea77d9da0d6e96f9fdba529df582ff1ab956c8e4b759ab8232"},"schema_version":"1.0"},"canonical_sha256":"56d0deb69d81c7cd9ade608c15b72e80ded9d74047fca5b72b68be1a312cf351","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:51:58.073529Z","signature_b64":"eTY2h0hUp4lj/4ur663skaWnNhCWGlKYicUc4CtH39sgdfCoYp6NwCAnmpezCfq9HUst8R3oYk1pS+tm/uuYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56d0deb69d81c7cd9ade608c15b72e80ded9d74047fca5b72b68be1a312cf351","last_reissued_at":"2026-07-05T03:51:58.073044Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:51:58.073044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.11272","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":"2026-07-05T03:51:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWeW6kaYJNo7ygjhnXsJImkdr7XWV8BOFPWUri2yR9F2wDwK3q9Ke2yGe28UZT6nxHGcn+tesbR//CpVqLMPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T03:21:57.553435Z"},"content_sha256":"d5af4e7393f44413633fd602ed05806feef4c4c9fba130a43edf23b6ed38a16f","schema_version":"1.0","event_id":"sha256:d5af4e7393f44413633fd602ed05806feef4c4c9fba130a43edf23b6ed38a16f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:K3IN5NU5QHD43GW6MCGBLNZOQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray timing and spectral variability properties of blazars S5 0716+714, OJ 287, Mrk 501, and RBS 2070","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Adithiya Dinesh, Gopal Bhatta, Maksym Mohorian, Niraj Dhital, Radim P\\'anis, Rajesh K. Bachchan, Suvas C. Chaudhary, Tek P. Adhikari, Zde\\v{n}ek Stuchl\\'ik","submitted_at":"2021-12-21T14:55:19Z","abstract_excerpt":"The X-ray emission from blazars has been widely investigated using several space telescopes. In this work, we explored statistical properties of the X-ray variability in the blazars S5 0716+714, OJ 287, Mkn 501 and RBS 2070 using the archival observations from the XMM-Newton telescope between the period 2002-2020. Several methods of timing and spectral analyses including fractional variability, minimum variability timescale, power spectral density analyses and countrate distribution were performed. In addition, we fitted various spectral models to the observations as well as estimated hardness"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.11272","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2112.11272/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":"2026-07-05T03:51:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mm25pExUyxZzE0m45lP9JuQXmRoh3PRS2yq+hzOK+/c1um/aJWQy6YVyDfr5itNdnBWT0sbo4iBYlOcm5KzuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T03:21:57.553811Z"},"content_sha256":"726de436e3db52b5b187242a3a6e1e178e2fe8087da83ced66a4e9b549c53a53","schema_version":"1.0","event_id":"sha256:726de436e3db52b5b187242a3a6e1e178e2fe8087da83ced66a4e9b549c53a53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K3IN5NU5QHD43GW6MCGBLNZOQD/bundle.json","state_url":"https://pith.science/pith/K3IN5NU5QHD43GW6MCGBLNZOQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K3IN5NU5QHD43GW6MCGBLNZOQD/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":"2026-07-08T03:21:57Z","links":{"resolver":"https://pith.science/pith/K3IN5NU5QHD43GW6MCGBLNZOQD","bundle":"https://pith.science/pith/K3IN5NU5QHD43GW6MCGBLNZOQD/bundle.json","state":"https://pith.science/pith/K3IN5NU5QHD43GW6MCGBLNZOQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K3IN5NU5QHD43GW6MCGBLNZOQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:K3IN5NU5QHD43GW6MCGBLNZOQD","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":"f0b183ac6e8224ea77d9da0d6e96f9fdba529df582ff1ab956c8e4b759ab8232","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-21T14:55:19Z","title_canon_sha256":"6ccedd2fd6803395568f186db915613372ea691998344565d6036e2acb35aa5a"},"schema_version":"1.0","source":{"id":"2112.11272","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.11272","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"arxiv_version","alias_value":"2112.11272v2","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.11272","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"pith_short_12","alias_value":"K3IN5NU5QHD4","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"pith_short_16","alias_value":"K3IN5NU5QHD43GW6","created_at":"2026-07-05T03:51:58Z"},{"alias_kind":"pith_short_8","alias_value":"K3IN5NU5","created_at":"2026-07-05T03:51:58Z"}],"graph_snapshots":[{"event_id":"sha256:726de436e3db52b5b187242a3a6e1e178e2fe8087da83ced66a4e9b549c53a53","target":"graph","created_at":"2026-07-05T03:51:58Z","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/2112.11272/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The X-ray emission from blazars has been widely investigated using several space telescopes. In this work, we explored statistical properties of the X-ray variability in the blazars S5 0716+714, OJ 287, Mkn 501 and RBS 2070 using the archival observations from the XMM-Newton telescope between the period 2002-2020. Several methods of timing and spectral analyses including fractional variability, minimum variability timescale, power spectral density analyses and countrate distribution were performed. In addition, we fitted various spectral models to the observations as well as estimated hardness","authors_text":"Adithiya Dinesh, Gopal Bhatta, Maksym Mohorian, Niraj Dhital, Radim P\\'anis, Rajesh K. Bachchan, Suvas C. Chaudhary, Tek P. Adhikari, Zde\\v{n}ek Stuchl\\'ik","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-21T14:55:19Z","title":"X-ray timing and spectral variability properties of blazars S5 0716+714, OJ 287, Mrk 501, and RBS 2070"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.11272","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:d5af4e7393f44413633fd602ed05806feef4c4c9fba130a43edf23b6ed38a16f","target":"record","created_at":"2026-07-05T03:51:58Z","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":"f0b183ac6e8224ea77d9da0d6e96f9fdba529df582ff1ab956c8e4b759ab8232","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-21T14:55:19Z","title_canon_sha256":"6ccedd2fd6803395568f186db915613372ea691998344565d6036e2acb35aa5a"},"schema_version":"1.0","source":{"id":"2112.11272","kind":"arxiv","version":2}},"canonical_sha256":"56d0deb69d81c7cd9ade608c15b72e80ded9d74047fca5b72b68be1a312cf351","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56d0deb69d81c7cd9ade608c15b72e80ded9d74047fca5b72b68be1a312cf351","first_computed_at":"2026-07-05T03:51:58.073044Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:51:58.073044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eTY2h0hUp4lj/4ur663skaWnNhCWGlKYicUc4CtH39sgdfCoYp6NwCAnmpezCfq9HUst8R3oYk1pS+tm/uuYCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:51:58.073529Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.11272","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5af4e7393f44413633fd602ed05806feef4c4c9fba130a43edf23b6ed38a16f","sha256:726de436e3db52b5b187242a3a6e1e178e2fe8087da83ced66a4e9b549c53a53"],"state_sha256":"5b965b2d618d2903722439eb5ba53be3beac55525ccee21f8706da617ab73221"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nQhvpoP7AJHl47mwENYHOaKhabYdVxMx0B/Xbss3rO0DKpoatJc300Ai4Tq5Bc/ICgRXhcXKh8WTgh4UceosDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T03:21:57.556498Z","bundle_sha256":"9404b1def1fa03900c6ceb98e76efcbe849e40976424925b8d53b2cf94aa36d3"}}