{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FXA3XNSLTBPICTWXTXH2L4WH5U","short_pith_number":"pith:FXA3XNSL","canonical_record":{"source":{"id":"1510.01111","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-05T11:57:14Z","cross_cats_sorted":[],"title_canon_sha256":"b531f1c5eb65c8db44554c3b638159ee0463e23e60cc2c660df2abf3a82ae3aa","abstract_canon_sha256":"af06ea877729154f870dfebed2cfb131f579294b1e7b3dacad3da0e931dbcba1"},"schema_version":"1.0"},"canonical_sha256":"2dc1bbb64b985e814ed79dcfa5f2c7ed39e46e1b1ab4a9a71427858e32bf1db4","source":{"kind":"arxiv","id":"1510.01111","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01111","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01111v1","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01111","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"pith_short_12","alias_value":"FXA3XNSLTBPI","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FXA3XNSLTBPICTWX","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FXA3XNSL","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FXA3XNSLTBPICTWXTXH2L4WH5U","target":"record","payload":{"canonical_record":{"source":{"id":"1510.01111","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-05T11:57:14Z","cross_cats_sorted":[],"title_canon_sha256":"b531f1c5eb65c8db44554c3b638159ee0463e23e60cc2c660df2abf3a82ae3aa","abstract_canon_sha256":"af06ea877729154f870dfebed2cfb131f579294b1e7b3dacad3da0e931dbcba1"},"schema_version":"1.0"},"canonical_sha256":"2dc1bbb64b985e814ed79dcfa5f2c7ed39e46e1b1ab4a9a71427858e32bf1db4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:03.161533Z","signature_b64":"SQTtU9gviaXODKnZFCz949uLRmBLE26AFpwyhlfydQMDs5Qjx0gm7Qe4nQ+ZpIRaSbunbp9E3cLCenMvXNymBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2dc1bbb64b985e814ed79dcfa5f2c7ed39e46e1b1ab4a9a71427858e32bf1db4","last_reissued_at":"2026-05-18T01:14:03.160898Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:03.160898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.01111","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":"2026-05-18T01:14:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KoTm8OeAzBB5Y1EOorvA6AYhknaw7GuG9frdLdcfR4KRxE6YGlCtnl+1O/PCdRdkesumgzSOx3l3N86r4vn5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:55:22.736307Z"},"content_sha256":"9af2e0cfa5af7cac8ad432161073b016b3c4e48d730c3d54af76518c5c300186","schema_version":"1.0","event_id":"sha256:9af2e0cfa5af7cac8ad432161073b016b3c4e48d730c3d54af76518c5c300186"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FXA3XNSLTBPICTWXTXH2L4WH5U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quasi periodic oscillations in active galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andy Fabian, Erin Kara, Julija Markeviciute, Matt Middleton, Michael Parker, William Alston","submitted_at":"2015-10-05T11:57:14Z","abstract_excerpt":"Quasi-periodic oscillations (QPOs) are coherent peaks of variability power observed in the X-ray power spectra (PSDs) of stellar mass X-ray binaries (XRBs). A scale invariance of the accretion process implies they should be present in the active galactic nuclei. The first robust detection was a $\\sim 1$ hr periodicity in the Seyfert galaxy RE J1034+396 from a $\\sim 90$ ks XMM-Newton observation, however, subsequent observations failed to detect the QPO in the $0.3-10.0$ keV band. In this talk we present the recent detection of the $\\sim 1$ hr periodicity in the $1.0-4.0$ keV band of 4 further "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01111","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":"2026-05-18T01:14:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dOoUyFBIPNSyyB2qRn4nxsRv4umVyNdPhJPonA+1gjoAhMNxUhzZ2XYem+5ZazP7W9veX98N7sIur/5bRH4UCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:55:22.736678Z"},"content_sha256":"7a9e0b9a49a68975bc54ae0b81cebb55e4da544e509beb7039c874e4b0b3f862","schema_version":"1.0","event_id":"sha256:7a9e0b9a49a68975bc54ae0b81cebb55e4da544e509beb7039c874e4b0b3f862"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FXA3XNSLTBPICTWXTXH2L4WH5U/bundle.json","state_url":"https://pith.science/pith/FXA3XNSLTBPICTWXTXH2L4WH5U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FXA3XNSLTBPICTWXTXH2L4WH5U/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":"2026-05-28T14:55:22Z","links":{"resolver":"https://pith.science/pith/FXA3XNSLTBPICTWXTXH2L4WH5U","bundle":"https://pith.science/pith/FXA3XNSLTBPICTWXTXH2L4WH5U/bundle.json","state":"https://pith.science/pith/FXA3XNSLTBPICTWXTXH2L4WH5U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FXA3XNSLTBPICTWXTXH2L4WH5U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FXA3XNSLTBPICTWXTXH2L4WH5U","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":"af06ea877729154f870dfebed2cfb131f579294b1e7b3dacad3da0e931dbcba1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-05T11:57:14Z","title_canon_sha256":"b531f1c5eb65c8db44554c3b638159ee0463e23e60cc2c660df2abf3a82ae3aa"},"schema_version":"1.0","source":{"id":"1510.01111","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01111","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01111v1","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01111","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"pith_short_12","alias_value":"FXA3XNSLTBPI","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FXA3XNSLTBPICTWX","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FXA3XNSL","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:7a9e0b9a49a68975bc54ae0b81cebb55e4da544e509beb7039c874e4b0b3f862","target":"graph","created_at":"2026-05-18T01:14:03Z","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":"Quasi-periodic oscillations (QPOs) are coherent peaks of variability power observed in the X-ray power spectra (PSDs) of stellar mass X-ray binaries (XRBs). A scale invariance of the accretion process implies they should be present in the active galactic nuclei. The first robust detection was a $\\sim 1$ hr periodicity in the Seyfert galaxy RE J1034+396 from a $\\sim 90$ ks XMM-Newton observation, however, subsequent observations failed to detect the QPO in the $0.3-10.0$ keV band. In this talk we present the recent detection of the $\\sim 1$ hr periodicity in the $1.0-4.0$ keV band of 4 further ","authors_text":"Andy Fabian, Erin Kara, Julija Markeviciute, Matt Middleton, Michael Parker, William Alston","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-05T11:57:14Z","title":"Quasi periodic oscillations in active galactic nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01111","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":"sha256:9af2e0cfa5af7cac8ad432161073b016b3c4e48d730c3d54af76518c5c300186","target":"record","created_at":"2026-05-18T01:14:03Z","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":"af06ea877729154f870dfebed2cfb131f579294b1e7b3dacad3da0e931dbcba1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-05T11:57:14Z","title_canon_sha256":"b531f1c5eb65c8db44554c3b638159ee0463e23e60cc2c660df2abf3a82ae3aa"},"schema_version":"1.0","source":{"id":"1510.01111","kind":"arxiv","version":1}},"canonical_sha256":"2dc1bbb64b985e814ed79dcfa5f2c7ed39e46e1b1ab4a9a71427858e32bf1db4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2dc1bbb64b985e814ed79dcfa5f2c7ed39e46e1b1ab4a9a71427858e32bf1db4","first_computed_at":"2026-05-18T01:14:03.160898Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:03.160898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SQTtU9gviaXODKnZFCz949uLRmBLE26AFpwyhlfydQMDs5Qjx0gm7Qe4nQ+ZpIRaSbunbp9E3cLCenMvXNymBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:03.161533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.01111","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9af2e0cfa5af7cac8ad432161073b016b3c4e48d730c3d54af76518c5c300186","sha256:7a9e0b9a49a68975bc54ae0b81cebb55e4da544e509beb7039c874e4b0b3f862"],"state_sha256":"35982bef5770d2dfb495c8ba1d9ed6e089e93d1b05e32ce0edd064f1d016d343"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CRgoqt0vJSH8RHYFAWJbOR7AzpMBBqXgeVl2XujU1DsxZaOTpyWA1P18qixec3FCkrSf5ALEXmE9/ftCbkf9BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:55:22.738619Z","bundle_sha256":"0421d6c6c199358d3228250a758cd81c46c9f761304914e22d5975c3664888ae"}}