{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LN2R5J25CV5ZEQQWYEAZZ6YUBM","short_pith_number":"pith:LN2R5J25","canonical_record":{"source":{"id":"1106.3997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-20T19:21:40Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"0353d92ca66d3cf1425508818609f389d95e746c7b92775ae8df8da04a0cfbd4","abstract_canon_sha256":"12a287f1c09d6026ff914e6f2c78d3c520013c820cb71ead3693e21eec9213d7"},"schema_version":"1.0"},"canonical_sha256":"5b751ea75d157b924216c1019cfb140b290d2ae6bc69e07bb9c7f7abcac339e7","source":{"kind":"arxiv","id":"1106.3997","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3997","created_at":"2026-05-18T04:19:41Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3997v1","created_at":"2026-05-18T04:19:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3997","created_at":"2026-05-18T04:19:41Z"},{"alias_kind":"pith_short_12","alias_value":"LN2R5J25CV5Z","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LN2R5J25CV5ZEQQW","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LN2R5J25","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LN2R5J25CV5ZEQQWYEAZZ6YUBM","target":"record","payload":{"canonical_record":{"source":{"id":"1106.3997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-20T19:21:40Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"0353d92ca66d3cf1425508818609f389d95e746c7b92775ae8df8da04a0cfbd4","abstract_canon_sha256":"12a287f1c09d6026ff914e6f2c78d3c520013c820cb71ead3693e21eec9213d7"},"schema_version":"1.0"},"canonical_sha256":"5b751ea75d157b924216c1019cfb140b290d2ae6bc69e07bb9c7f7abcac339e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:41.752645Z","signature_b64":"Zm9Qj29uK3eQK0QdoSZZg66YZeW4mO35mdLgFfDEjag9uQEqOSVI9RD1NVi+Jv9lCQGlBufdLD9rwa5OamYzCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b751ea75d157b924216c1019cfb140b290d2ae6bc69e07bb9c7f7abcac339e7","last_reissued_at":"2026-05-18T04:19:41.751919Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:41.751919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.3997","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":"2026-05-18T04:19:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LdFX+ky8zJ/1+fofgcMSOVEcsOIZPX+cJTrZ6RHEOu/BGqt9ayysidtMkGo9O9iOvmLlUEtsDZ/ZfaYlrdPXCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T11:30:53.491295Z"},"content_sha256":"61f63d67e274714d168c193aa51a08e501b4b681d5a8cdd9fcb15df6be808afa","schema_version":"1.0","event_id":"sha256:61f63d67e274714d168c193aa51a08e501b4b681d5a8cdd9fcb15df6be808afa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LN2R5J25CV5ZEQQWYEAZZ6YUBM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hard X-ray Variability of the Brightest Swift/BAT AGN","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":"Claudio Ricci, Simona Soldi, Stephane Paltani, Thierry J.-L. Courvoisier","submitted_at":"2011-06-20T19:21:40Z","abstract_excerpt":"Variability is one of the hallmarks of Active Galactic Nuclei. The Burst Alert Telescope onboard of Swift, with its homogeneous coverage of the sky is a formidable tool to study variability at hard X-rays. We present here the analysis of the 1-month binned Swift/BAT lightcurves of the 20 brightest Active Galactic Nuclei in the hard X-ray sky. The sample consists of 2 blazars, 3 radio galaxies, 6 Seyfert 1/1.5s, 8 Seyfert 2s and 1 Narrow Line Seyfert 1. We found that all the objects show variability, and most of them have a value of the fractional root mean squared variability amplitude of Fvar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3997","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":"2026-05-18T04:19:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BQsqV+8u8+txNpZ+kDexxM3qaUh8NSvUkEGDE70aspbL9GP5zywKg4URQghI031UoqNDShKPSrnZR0JJq/dHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T11:30:53.491689Z"},"content_sha256":"af5b07ac437d63deb668c9d7bd2af9a04ba3aa4621b34272b35e6ae87cea4fea","schema_version":"1.0","event_id":"sha256:af5b07ac437d63deb668c9d7bd2af9a04ba3aa4621b34272b35e6ae87cea4fea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM/bundle.json","state_url":"https://pith.science/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM/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":"2026-06-09T11:30:53Z","links":{"resolver":"https://pith.science/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM","bundle":"https://pith.science/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM/bundle.json","state":"https://pith.science/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LN2R5J25CV5ZEQQWYEAZZ6YUBM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LN2R5J25CV5ZEQQWYEAZZ6YUBM","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":"12a287f1c09d6026ff914e6f2c78d3c520013c820cb71ead3693e21eec9213d7","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":"2011-06-20T19:21:40Z","title_canon_sha256":"0353d92ca66d3cf1425508818609f389d95e746c7b92775ae8df8da04a0cfbd4"},"schema_version":"1.0","source":{"id":"1106.3997","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3997","created_at":"2026-05-18T04:19:41Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3997v1","created_at":"2026-05-18T04:19:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3997","created_at":"2026-05-18T04:19:41Z"},{"alias_kind":"pith_short_12","alias_value":"LN2R5J25CV5Z","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LN2R5J25CV5ZEQQW","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LN2R5J25","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:af5b07ac437d63deb668c9d7bd2af9a04ba3aa4621b34272b35e6ae87cea4fea","target":"graph","created_at":"2026-05-18T04:19:41Z","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":"Variability is one of the hallmarks of Active Galactic Nuclei. The Burst Alert Telescope onboard of Swift, with its homogeneous coverage of the sky is a formidable tool to study variability at hard X-rays. We present here the analysis of the 1-month binned Swift/BAT lightcurves of the 20 brightest Active Galactic Nuclei in the hard X-ray sky. The sample consists of 2 blazars, 3 radio galaxies, 6 Seyfert 1/1.5s, 8 Seyfert 2s and 1 Narrow Line Seyfert 1. We found that all the objects show variability, and most of them have a value of the fractional root mean squared variability amplitude of Fvar","authors_text":"Claudio Ricci, Simona Soldi, Stephane Paltani, Thierry J.-L. Courvoisier","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":"2011-06-20T19:21:40Z","title":"Hard X-ray Variability of the Brightest Swift/BAT AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3997","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":"sha256:61f63d67e274714d168c193aa51a08e501b4b681d5a8cdd9fcb15df6be808afa","target":"record","created_at":"2026-05-18T04:19:41Z","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":"12a287f1c09d6026ff914e6f2c78d3c520013c820cb71ead3693e21eec9213d7","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":"2011-06-20T19:21:40Z","title_canon_sha256":"0353d92ca66d3cf1425508818609f389d95e746c7b92775ae8df8da04a0cfbd4"},"schema_version":"1.0","source":{"id":"1106.3997","kind":"arxiv","version":1}},"canonical_sha256":"5b751ea75d157b924216c1019cfb140b290d2ae6bc69e07bb9c7f7abcac339e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b751ea75d157b924216c1019cfb140b290d2ae6bc69e07bb9c7f7abcac339e7","first_computed_at":"2026-05-18T04:19:41.751919Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:41.751919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zm9Qj29uK3eQK0QdoSZZg66YZeW4mO35mdLgFfDEjag9uQEqOSVI9RD1NVi+Jv9lCQGlBufdLD9rwa5OamYzCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:41.752645Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.3997","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61f63d67e274714d168c193aa51a08e501b4b681d5a8cdd9fcb15df6be808afa","sha256:af5b07ac437d63deb668c9d7bd2af9a04ba3aa4621b34272b35e6ae87cea4fea"],"state_sha256":"00fdf14a3956078fe09125e265f37152fcaf39c828af33bc18d71c1805b065ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"McuCQ1TpZx8ka0b8sQvH5902hValUIYC6itVIy9j7h17NRfL1UNr0jh6Wr5z/AZz7x4GKZIvpsgGGbbHUuBIDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T11:30:53.494347Z","bundle_sha256":"df4615945640ce644414196044f9bff0c84aab26dbc349f42a1038a7c93d0fd4"}}