{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:INFGCY52M7SIV3VCKZEZ6DHP2O","short_pith_number":"pith:INFGCY52","canonical_record":{"source":{"id":"1709.07904","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-22T18:41:59Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"616943d03fb2313bb65515fc8386189279a861c595a427cbe3854ef860e3c89d","abstract_canon_sha256":"60b9f9b67b90958f7a51fcc0cb7d800a6c9354ea2dcd4966a6883607845167ca"},"schema_version":"1.0"},"canonical_sha256":"434a6163ba67e48aeea256499f0cefd3a75c54fa642a4dddd6d47065ba38a8e0","source":{"kind":"arxiv","id":"1709.07904","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07904","created_at":"2026-05-18T00:31:02Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07904v1","created_at":"2026-05-18T00:31:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07904","created_at":"2026-05-18T00:31:02Z"},{"alias_kind":"pith_short_12","alias_value":"INFGCY52M7SI","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"INFGCY52M7SIV3VC","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"INFGCY52","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:INFGCY52M7SIV3VCKZEZ6DHP2O","target":"record","payload":{"canonical_record":{"source":{"id":"1709.07904","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-22T18:41:59Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"616943d03fb2313bb65515fc8386189279a861c595a427cbe3854ef860e3c89d","abstract_canon_sha256":"60b9f9b67b90958f7a51fcc0cb7d800a6c9354ea2dcd4966a6883607845167ca"},"schema_version":"1.0"},"canonical_sha256":"434a6163ba67e48aeea256499f0cefd3a75c54fa642a4dddd6d47065ba38a8e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:02.389785Z","signature_b64":"ZALIagMS7qp9du0eRUJL80O0lwP7Qh64yOcZFdTt+ish99qKeeq9VrrkMbQ6p5ae6rffA1r1YZLvloXC+vljCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"434a6163ba67e48aeea256499f0cefd3a75c54fa642a4dddd6d47065ba38a8e0","last_reissued_at":"2026-05-18T00:31:02.389247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:02.389247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.07904","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":"2026-05-18T00:31:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p4FAB57auO1fKvvKZFXDtTE6LjiKmlhKzUHVzB43sbfgb9nBgEz/wU4dxUNRHrycmHckdOfdePiw1L9M4y81Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:40:18.184200Z"},"content_sha256":"ef4f1a3ee87038543c324d4a29f84173c907d6f3ed327ae6b39ef8991174f762","schema_version":"1.0","event_id":"sha256:ef4f1a3ee87038543c324d4a29f84173c907d6f3ed327ae6b39ef8991174f762"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:INFGCY52M7SIV3VCKZEZ6DHP2O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gamma-ray Flux Distribution and Non-linear behavior of Four LAT Bright AGNs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"2), Atreyee Sinha (2), Brazil (2) IUCAA, E. M. de Gouveia Dal Pino (1) ((1) IAG-USP, India), India (3) TIFR, K. P. Singh (3), Mumbai, Pankaj Kushwaha (1, Pune, Ranjeev Misra (2), Sao Paulo","submitted_at":"2017-09-22T18:41:59Z","abstract_excerpt":"We present a statistical characterization of the $\\gamma$-ray emission from the four \\emph{Fermi}-LAT sources: FR I radio galaxy NGC 1275, BL Lac Mrk 421, FSRQs B2 1520+31 and PKS 1510-089 detected almost continuously over a time integration of 3-days between August 2008 - October 2015. The observed flux variation is large, spanning $\\gtrsim 2$ orders of magnitude between the extremes except for Mrk~421. We compute the flux distributions and compare with Gaussian and lognormal ones. We find that the 3 blazars have distribution consistent with a lognormal, suggesting that the variability is of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07904","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":"2026-05-18T00:31:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lvVkMFhu5DAGIJqcI7gSbkDk5v6cXbVQpHZGTIGVaG5lR77KSGY0gthFy9h1YUafFbKI83vU/uxMOM4ko4c0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:40:18.184858Z"},"content_sha256":"14b8b2771fc3f2009c9a085b3d0cf4da47cadbe218c602b5d7206b86f8ecb1ea","schema_version":"1.0","event_id":"sha256:14b8b2771fc3f2009c9a085b3d0cf4da47cadbe218c602b5d7206b86f8ecb1ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/INFGCY52M7SIV3VCKZEZ6DHP2O/bundle.json","state_url":"https://pith.science/pith/INFGCY52M7SIV3VCKZEZ6DHP2O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/INFGCY52M7SIV3VCKZEZ6DHP2O/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":"2026-05-28T08:40:18Z","links":{"resolver":"https://pith.science/pith/INFGCY52M7SIV3VCKZEZ6DHP2O","bundle":"https://pith.science/pith/INFGCY52M7SIV3VCKZEZ6DHP2O/bundle.json","state":"https://pith.science/pith/INFGCY52M7SIV3VCKZEZ6DHP2O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/INFGCY52M7SIV3VCKZEZ6DHP2O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:INFGCY52M7SIV3VCKZEZ6DHP2O","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":"60b9f9b67b90958f7a51fcc0cb7d800a6c9354ea2dcd4966a6883607845167ca","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-22T18:41:59Z","title_canon_sha256":"616943d03fb2313bb65515fc8386189279a861c595a427cbe3854ef860e3c89d"},"schema_version":"1.0","source":{"id":"1709.07904","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07904","created_at":"2026-05-18T00:31:02Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07904v1","created_at":"2026-05-18T00:31:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07904","created_at":"2026-05-18T00:31:02Z"},{"alias_kind":"pith_short_12","alias_value":"INFGCY52M7SI","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"INFGCY52M7SIV3VC","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"INFGCY52","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:14b8b2771fc3f2009c9a085b3d0cf4da47cadbe218c602b5d7206b86f8ecb1ea","target":"graph","created_at":"2026-05-18T00:31:02Z","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":"We present a statistical characterization of the $\\gamma$-ray emission from the four \\emph{Fermi}-LAT sources: FR I radio galaxy NGC 1275, BL Lac Mrk 421, FSRQs B2 1520+31 and PKS 1510-089 detected almost continuously over a time integration of 3-days between August 2008 - October 2015. The observed flux variation is large, spanning $\\gtrsim 2$ orders of magnitude between the extremes except for Mrk~421. We compute the flux distributions and compare with Gaussian and lognormal ones. We find that the 3 blazars have distribution consistent with a lognormal, suggesting that the variability is of ","authors_text":"2), Atreyee Sinha (2), Brazil (2) IUCAA, E. M. de Gouveia Dal Pino (1) ((1) IAG-USP, India), India (3) TIFR, K. P. Singh (3), Mumbai, Pankaj Kushwaha (1, Pune, Ranjeev Misra (2), Sao Paulo","cross_cats":["astro-ph.CO","astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-22T18:41:59Z","title":"Gamma-ray Flux Distribution and Non-linear behavior of Four LAT Bright AGNs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07904","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:ef4f1a3ee87038543c324d4a29f84173c907d6f3ed327ae6b39ef8991174f762","target":"record","created_at":"2026-05-18T00:31:02Z","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":"60b9f9b67b90958f7a51fcc0cb7d800a6c9354ea2dcd4966a6883607845167ca","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-22T18:41:59Z","title_canon_sha256":"616943d03fb2313bb65515fc8386189279a861c595a427cbe3854ef860e3c89d"},"schema_version":"1.0","source":{"id":"1709.07904","kind":"arxiv","version":1}},"canonical_sha256":"434a6163ba67e48aeea256499f0cefd3a75c54fa642a4dddd6d47065ba38a8e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"434a6163ba67e48aeea256499f0cefd3a75c54fa642a4dddd6d47065ba38a8e0","first_computed_at":"2026-05-18T00:31:02.389247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:02.389247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZALIagMS7qp9du0eRUJL80O0lwP7Qh64yOcZFdTt+ish99qKeeq9VrrkMbQ6p5ae6rffA1r1YZLvloXC+vljCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:02.389785Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.07904","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef4f1a3ee87038543c324d4a29f84173c907d6f3ed327ae6b39ef8991174f762","sha256:14b8b2771fc3f2009c9a085b3d0cf4da47cadbe218c602b5d7206b86f8ecb1ea"],"state_sha256":"68b20aea42602171d1630a1eba63b63a3bfc0721d5c99c61abd9ab1100e23d95"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RPVJjoEFdpCM8OTLoim0uxy7YHIhib0jbGxTomyGe6MsA+qp4z2/7IySXPNlV6w7Kqt+60piBZ1gwBh2HWfVAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:40:18.188033Z","bundle_sha256":"e8fc0dd0af516d46b587902ba7b0e9067293cfd7896b190d5c6e8c6d11a0ee3a"}}