{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QUHRA7HEEF2Q25PICBHLVNA7HR","short_pith_number":"pith:QUHRA7HE","canonical_record":{"source":{"id":"1001.3140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T14:55:56Z","cross_cats_sorted":[],"title_canon_sha256":"4a4e8e6bcee0d4dd4d460fc8cb85727a80e5462fdf27af8173c414ddaef29ffa","abstract_canon_sha256":"5904fb665ad7789cad67613a47a744c82d82e39311c98421f85ecf6a5d3b299a"},"schema_version":"1.0"},"canonical_sha256":"850f107ce421750d75e8104ebab41f3c545788b6a05987d25de6c3029ccd23e3","source":{"kind":"arxiv","id":"1001.3140","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3140","created_at":"2026-05-18T02:09:42Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3140v2","created_at":"2026-05-18T02:09:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3140","created_at":"2026-05-18T02:09:42Z"},{"alias_kind":"pith_short_12","alias_value":"QUHRA7HEEF2Q","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"QUHRA7HEEF2Q25PI","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"QUHRA7HE","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QUHRA7HEEF2Q25PICBHLVNA7HR","target":"record","payload":{"canonical_record":{"source":{"id":"1001.3140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T14:55:56Z","cross_cats_sorted":[],"title_canon_sha256":"4a4e8e6bcee0d4dd4d460fc8cb85727a80e5462fdf27af8173c414ddaef29ffa","abstract_canon_sha256":"5904fb665ad7789cad67613a47a744c82d82e39311c98421f85ecf6a5d3b299a"},"schema_version":"1.0"},"canonical_sha256":"850f107ce421750d75e8104ebab41f3c545788b6a05987d25de6c3029ccd23e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:42.795144Z","signature_b64":"1Tzy8Op7h/Q0W9Ohrzocs7vXOfcdRDZuvv7cXreUV2qFFdC7Kjh4LjFeNc6pJm1MJ18kZwJqyvadg/k6uqjqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"850f107ce421750d75e8104ebab41f3c545788b6a05987d25de6c3029ccd23e3","last_reissued_at":"2026-05-18T02:09:42.794507Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:42.794507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.3140","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":"2026-05-18T02:09:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6nfZHuP+qWCEg113FUuKsphKKsvSBjKkEN/vwMAPeovLrseyGhz+RLnaUJVT18NQdecoPB6SejspKujUWV7MBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T07:44:40.080154Z"},"content_sha256":"3271c2bf45cc93e79f6c42be921bdf41333e03f2e6cbe52fc974c7154dcb345b","schema_version":"1.0","event_id":"sha256:3271c2bf45cc93e79f6c42be921bdf41333e03f2e6cbe52fc974c7154dcb345b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QUHRA7HEEF2Q25PICBHLVNA7HR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Simultaneous Optical-to-X-ray Spectral Energy Distribution of Soft X-ray Selected AGN observed by Swift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Dirk Grupe (PSU), Karen M. Leighly (University of Oklahoma), Kim L. Page (University of Leicester), S. Komossa (MPE)","submitted_at":"2010-01-19T14:55:56Z","abstract_excerpt":"We report Swift observations of a sample of 92 bright soft X-ray selected active galactic nuclei (AGN). This sample represents the largest number of AGN observed to study the spectral energy distribution (SED) of AGN with simultaneous optical/UV and X-ray data. The principal motivation of this study is to understand the SEDs of AGN in the optical/UV to X-ray regime and to provide bolometric corrections which are important in determining the Eddington ratio L/Ledd. In particular, we rigorously explore the dependence of the UV-EUV contribution to the bolometric correction on the assumed EUV spec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3140","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":""},"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":"2026-05-18T02:09:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MlEkLmHozANx6w0ktlLxmvD7hPFwGKFR38uz8JSk83kuyFiVGcJViAzU15M2QwbFASa++QG6eirdq9vZ3myBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T07:44:40.080505Z"},"content_sha256":"a0168c3fae90d0e40133bd41489f718af4ef27303d42b400e9fb0d55f9997647","schema_version":"1.0","event_id":"sha256:a0168c3fae90d0e40133bd41489f718af4ef27303d42b400e9fb0d55f9997647"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUHRA7HEEF2Q25PICBHLVNA7HR/bundle.json","state_url":"https://pith.science/pith/QUHRA7HEEF2Q25PICBHLVNA7HR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUHRA7HEEF2Q25PICBHLVNA7HR/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":"2026-06-28T07:44:40Z","links":{"resolver":"https://pith.science/pith/QUHRA7HEEF2Q25PICBHLVNA7HR","bundle":"https://pith.science/pith/QUHRA7HEEF2Q25PICBHLVNA7HR/bundle.json","state":"https://pith.science/pith/QUHRA7HEEF2Q25PICBHLVNA7HR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUHRA7HEEF2Q25PICBHLVNA7HR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QUHRA7HEEF2Q25PICBHLVNA7HR","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":"5904fb665ad7789cad67613a47a744c82d82e39311c98421f85ecf6a5d3b299a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T14:55:56Z","title_canon_sha256":"4a4e8e6bcee0d4dd4d460fc8cb85727a80e5462fdf27af8173c414ddaef29ffa"},"schema_version":"1.0","source":{"id":"1001.3140","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3140","created_at":"2026-05-18T02:09:42Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3140v2","created_at":"2026-05-18T02:09:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3140","created_at":"2026-05-18T02:09:42Z"},{"alias_kind":"pith_short_12","alias_value":"QUHRA7HEEF2Q","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"QUHRA7HEEF2Q25PI","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"QUHRA7HE","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:a0168c3fae90d0e40133bd41489f718af4ef27303d42b400e9fb0d55f9997647","target":"graph","created_at":"2026-05-18T02:09:42Z","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":"We report Swift observations of a sample of 92 bright soft X-ray selected active galactic nuclei (AGN). This sample represents the largest number of AGN observed to study the spectral energy distribution (SED) of AGN with simultaneous optical/UV and X-ray data. The principal motivation of this study is to understand the SEDs of AGN in the optical/UV to X-ray regime and to provide bolometric corrections which are important in determining the Eddington ratio L/Ledd. In particular, we rigorously explore the dependence of the UV-EUV contribution to the bolometric correction on the assumed EUV spec","authors_text":"Dirk Grupe (PSU), Karen M. Leighly (University of Oklahoma), Kim L. Page (University of Leicester), S. Komossa (MPE)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T14:55:56Z","title":"The Simultaneous Optical-to-X-ray Spectral Energy Distribution of Soft X-ray Selected AGN observed by Swift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3140","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":"sha256:3271c2bf45cc93e79f6c42be921bdf41333e03f2e6cbe52fc974c7154dcb345b","target":"record","created_at":"2026-05-18T02:09:42Z","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":"5904fb665ad7789cad67613a47a744c82d82e39311c98421f85ecf6a5d3b299a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T14:55:56Z","title_canon_sha256":"4a4e8e6bcee0d4dd4d460fc8cb85727a80e5462fdf27af8173c414ddaef29ffa"},"schema_version":"1.0","source":{"id":"1001.3140","kind":"arxiv","version":2}},"canonical_sha256":"850f107ce421750d75e8104ebab41f3c545788b6a05987d25de6c3029ccd23e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"850f107ce421750d75e8104ebab41f3c545788b6a05987d25de6c3029ccd23e3","first_computed_at":"2026-05-18T02:09:42.794507Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:42.794507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1Tzy8Op7h/Q0W9Ohrzocs7vXOfcdRDZuvv7cXreUV2qFFdC7Kjh4LjFeNc6pJm1MJ18kZwJqyvadg/k6uqjqAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:42.795144Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.3140","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3271c2bf45cc93e79f6c42be921bdf41333e03f2e6cbe52fc974c7154dcb345b","sha256:a0168c3fae90d0e40133bd41489f718af4ef27303d42b400e9fb0d55f9997647"],"state_sha256":"5d9574b3b70d0214a3403c78c130cc517ff6c3af772f2ccbcef00c79fb9eafa4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D7klGuouggO/KHdquUPgVm5tkiCntY/pivvMN2ZIl29HbIhYP0IqoGwmQjC3R4XlIq7nojCUe9+cecLRWCgrDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T07:44:40.082272Z","bundle_sha256":"84a7ddfbd01c5cd7de01d3580898f1d1f4d39b766e2d1cad31edff49400fcbd9"}}