{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:YEXYGFRAQFF4ORBYWGTDJGG75F","short_pith_number":"pith:YEXYGFRA","canonical_record":{"source":{"id":"1106.3648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-18T13:56:46Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"3cabf3fd58f23ddd86d023da1b98397c4ad7b9bb7ef9f5b00b8dcaeb08e6ad2c","abstract_canon_sha256":"06548988768a3d8846a7381f01caf3013ad53c8e7df7796a9b43f0ad2677ec0d"},"schema_version":"1.0"},"canonical_sha256":"c12f831620814bc74438b1a63498dfe974effd0d146c566590f13807828f35f8","source":{"kind":"arxiv","id":"1106.3648","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3648","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3648v1","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3648","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"YEXYGFRAQFF4","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YEXYGFRAQFF4ORBY","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YEXYGFRA","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:YEXYGFRAQFF4ORBYWGTDJGG75F","target":"record","payload":{"canonical_record":{"source":{"id":"1106.3648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-18T13:56:46Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"3cabf3fd58f23ddd86d023da1b98397c4ad7b9bb7ef9f5b00b8dcaeb08e6ad2c","abstract_canon_sha256":"06548988768a3d8846a7381f01caf3013ad53c8e7df7796a9b43f0ad2677ec0d"},"schema_version":"1.0"},"canonical_sha256":"c12f831620814bc74438b1a63498dfe974effd0d146c566590f13807828f35f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:42.539982Z","signature_b64":"ccAthctq0ID8ZpFQ+orqdWpt+XSgJh0KZblmsI4aBYqddxvuXuUG+KFxIzD1Naqf/424c4AuVik5gC7biptjCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c12f831620814bc74438b1a63498dfe974effd0d146c566590f13807828f35f8","last_reissued_at":"2026-05-18T04:19:42.539507Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:42.539507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.3648","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":"2026-05-18T04:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hjvPHsMvxynt4nH7qDtGVVoLrRPnwemDPtt4mzEBePmA9ErVna8tXaK5UgQ7pxNb/+J8VA8CmSlQKNOcJlgNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:10:35.236721Z"},"content_sha256":"eebdb4c14937077b08ebfcd726284e945f915554391305bcf5c7b8947f8b06db","schema_version":"1.0","event_id":"sha256:eebdb4c14937077b08ebfcd726284e945f915554391305bcf5c7b8947f8b06db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:YEXYGFRAQFF4ORBYWGTDJGG75F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray reverberation in NLS1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"L. Miller, T.J. Turner","submitted_at":"2011-06-18T13:56:46Z","abstract_excerpt":"Reverberation from scattering material around the black hole in active galactic nuclei is expected to produce a characteristic signature in a Fourier analysis of the time delays between directly-viewed continuum emission and the scattered light. Narrow-line Seyfert 1 galaxies (NLS1) are highly variable at X-ray energies, and are ideal candidates for the detection of X-ray reverberation. We show new analysis of a small sample of NLS1 that clearly shows the expected time-delay signature, providing strong evidence for the existence of a high covering fraction of scattering and absorbing material "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3648","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":"2026-05-18T04:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NExMKo/yQpKfeQlRqdhX8UCBXmV11PDxVvyiWAe2Nnt022BR84I0pe1ZEosqTMg8QA1uxkwnTj8+vMMH0yAZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:10:35.237394Z"},"content_sha256":"0c8e7ee8af07ec684aa332db12a8cfb3834a1f0008fc4ea288568a1eadfadcbd","schema_version":"1.0","event_id":"sha256:0c8e7ee8af07ec684aa332db12a8cfb3834a1f0008fc4ea288568a1eadfadcbd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEXYGFRAQFF4ORBYWGTDJGG75F/bundle.json","state_url":"https://pith.science/pith/YEXYGFRAQFF4ORBYWGTDJGG75F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEXYGFRAQFF4ORBYWGTDJGG75F/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":"2026-05-27T20:10:35Z","links":{"resolver":"https://pith.science/pith/YEXYGFRAQFF4ORBYWGTDJGG75F","bundle":"https://pith.science/pith/YEXYGFRAQFF4ORBYWGTDJGG75F/bundle.json","state":"https://pith.science/pith/YEXYGFRAQFF4ORBYWGTDJGG75F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEXYGFRAQFF4ORBYWGTDJGG75F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:YEXYGFRAQFF4ORBYWGTDJGG75F","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":"06548988768a3d8846a7381f01caf3013ad53c8e7df7796a9b43f0ad2677ec0d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-18T13:56:46Z","title_canon_sha256":"3cabf3fd58f23ddd86d023da1b98397c4ad7b9bb7ef9f5b00b8dcaeb08e6ad2c"},"schema_version":"1.0","source":{"id":"1106.3648","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3648","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3648v1","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3648","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"YEXYGFRAQFF4","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YEXYGFRAQFF4ORBY","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YEXYGFRA","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:0c8e7ee8af07ec684aa332db12a8cfb3834a1f0008fc4ea288568a1eadfadcbd","target":"graph","created_at":"2026-05-18T04:19:42Z","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":"Reverberation from scattering material around the black hole in active galactic nuclei is expected to produce a characteristic signature in a Fourier analysis of the time delays between directly-viewed continuum emission and the scattered light. Narrow-line Seyfert 1 galaxies (NLS1) are highly variable at X-ray energies, and are ideal candidates for the detection of X-ray reverberation. We show new analysis of a small sample of NLS1 that clearly shows the expected time-delay signature, providing strong evidence for the existence of a high covering fraction of scattering and absorbing material ","authors_text":"L. Miller, T.J. Turner","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-18T13:56:46Z","title":"X-ray reverberation in NLS1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3648","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:eebdb4c14937077b08ebfcd726284e945f915554391305bcf5c7b8947f8b06db","target":"record","created_at":"2026-05-18T04:19:42Z","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":"06548988768a3d8846a7381f01caf3013ad53c8e7df7796a9b43f0ad2677ec0d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-06-18T13:56:46Z","title_canon_sha256":"3cabf3fd58f23ddd86d023da1b98397c4ad7b9bb7ef9f5b00b8dcaeb08e6ad2c"},"schema_version":"1.0","source":{"id":"1106.3648","kind":"arxiv","version":1}},"canonical_sha256":"c12f831620814bc74438b1a63498dfe974effd0d146c566590f13807828f35f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c12f831620814bc74438b1a63498dfe974effd0d146c566590f13807828f35f8","first_computed_at":"2026-05-18T04:19:42.539507Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:42.539507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ccAthctq0ID8ZpFQ+orqdWpt+XSgJh0KZblmsI4aBYqddxvuXuUG+KFxIzD1Naqf/424c4AuVik5gC7biptjCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:42.539982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.3648","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eebdb4c14937077b08ebfcd726284e945f915554391305bcf5c7b8947f8b06db","sha256:0c8e7ee8af07ec684aa332db12a8cfb3834a1f0008fc4ea288568a1eadfadcbd"],"state_sha256":"ed7c52271fea491f142cd0ac28bfa484b1013ddb18bcd7653bacb43b6ae94fab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ieRdc0fJFvUwUN2+B6bV9cTsZ2LndCZn5WMxH0P+UCATfQdZoExHnUhrlE/P5JKV6Qpn0ThHcozD3CUzYJkfDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:10:35.240955Z","bundle_sha256":"a7dc43bd135b2bf3b04e75a8ec7136cd0666c0230ba68c47c0f144c170a92871"}}