{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:XKHKNEHFKV2IFKJFECWTCO3SBX","short_pith_number":"pith:XKHKNEHF","canonical_record":{"source":{"id":"0811.0593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T20:05:50Z","cross_cats_sorted":[],"title_canon_sha256":"4ee1b7c5a88b972d466bed08e57c8838ae3349e2b238a503e149999310434c27","abstract_canon_sha256":"6218603ef9305062debe783abfb2b47a42938d9eebee437fed49dc9ce9447c6d"},"schema_version":"1.0"},"canonical_sha256":"ba8ea690e5557482a92520ad313b720dd715d0f9dee73bb6b5043292c1ea99f7","source":{"kind":"arxiv","id":"0811.0593","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0593","created_at":"2026-05-18T04:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0593v1","created_at":"2026-05-18T04:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0593","created_at":"2026-05-18T04:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"XKHKNEHFKV2I","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"XKHKNEHFKV2IFKJF","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"XKHKNEHF","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:XKHKNEHFKV2IFKJFECWTCO3SBX","target":"record","payload":{"canonical_record":{"source":{"id":"0811.0593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T20:05:50Z","cross_cats_sorted":[],"title_canon_sha256":"4ee1b7c5a88b972d466bed08e57c8838ae3349e2b238a503e149999310434c27","abstract_canon_sha256":"6218603ef9305062debe783abfb2b47a42938d9eebee437fed49dc9ce9447c6d"},"schema_version":"1.0"},"canonical_sha256":"ba8ea690e5557482a92520ad313b720dd715d0f9dee73bb6b5043292c1ea99f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:14:36.265188Z","signature_b64":"SzcOl3x6tNu3ldU9nCKnDTQTv4saZVZ+ux7pkrEGY6KU1n8FNkY5RVatR3vM34cuFVj2gkfAakMYm/NOfPiCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba8ea690e5557482a92520ad313b720dd715d0f9dee73bb6b5043292c1ea99f7","last_reissued_at":"2026-05-18T04:14:36.264533Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:14:36.264533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.0593","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":"2026-05-18T04:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1XVvim9lw+6oFAhZWMaHDgpQXhHf2S4VZmK7+rXXa6AAOfxaNobUE0TfdxkHNcdP2R50S4sfTQO16VZLy7wqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:21:13.384743Z"},"content_sha256":"6bf856ec098b6c1e69987fdf3e4b055ce31c55884914cffe16077251d40cebc9","schema_version":"1.0","event_id":"sha256:6bf856ec098b6c1e69987fdf3e4b055ce31c55884914cffe16077251d40cebc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:XKHKNEHFKV2IFKJFECWTCO3SBX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High energy variability of 3C 273 during the AGILE multiwavelength campaign of December 2007 - January 2008","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) INAF/IASF Milano - Italy (3) ASI SDC - Italy (4) CIFS - Italy (5) Dip. di Fisica, 4), 5), (6) INAF/IASF Bologna - Italy (7) Dip. di Fisica, A. Argan (1), A. Bulgarelli (6), A. Giuliani (2), A. Morselli (12), A. Pellizzoni (2), A. Trois (1), A. W. Chen (2, C. Labanti (6), C. Pittori (3), D. Gasparrini (3), D. Impiombato (9), D. Zanello (11), E. Costa (1), E. Del Monte (1), E. Vallazza (7), F. Boffelli (8), F. D'Ammando (1, F. Fuschino (6), F. Gianotti (6), F. Lazzarotto (1), F. Longo (7), F. Perotti (2), F. Verrecchia (3), G. Barbiellini (7), G. Di Cocco (6), G. Pucella (1), G. Stratta (3), G. Tosti (9), I. Donnarumma (1), I. Lapshov (1), INFN-Trieste - Italy (8) INFN-Pavia - Italy (9) Osservatorio Astronomico, L. A. Antonelli (3), L. Pacciani (1), L. Salotti (15) ((1) INAF/IASF Roma - Italy, M. Feroci (1), M. Galli (10), M. Marisaldi (6), M. Prest (13), M. Rapisarda (14), M. Tavani (1), M. T. Fiocchi (1), M. Trifoglio (6), P. A. Caraveo (2), P. Giommi (3), P. Lipari (11), P. Picozza (12), P. Soffitta (1), P. W. Cattaneo (8), S. Colafrancesco (3), S. Cutini (3), S. Mereghetti (2), S. Vercellone (2), T. Froysland (4), Univ. dell Insubria - Italy (14) ENEA-Frascati - Italy (15) ASI - Italy), Univ. di Perugia - Italy (10) ENEA-Bologna - Italy (11) INFN-Roma La Sapienza - Italy (12) INFN-Roma Tor Vergata - Italy (13) Dip. di Fisica, Univ. Tor Vergata - Italy, V. Cocco (4), V. Vittorini (1, Y. Evangelista (1)","submitted_at":"2008-11-04T20:05:50Z","abstract_excerpt":"We report the results of a 3-weeks multi-wavelength campaign on the flat spectrum radio quasar 3C 273 carried out with the AGILE gamma-ray mission, covering the 30 MeV -50 GeV and 18-60 keV, the REM observatory (covering the near-IR and optical), Swift (near-UV/Optical, 0.2-10 keV and 15-50 keV), INTEGRAL (3 - 200 keV) and Rossi XTE (2-12 keV). This is the first observational campaign including gamma-ray data, after the last EGRET observations, more than 8 years ago. Our study was carried out using simultaneous light curves of the source flux from all the involved instruments, in the different"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0593","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":"2026-05-18T04:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tkXp9TcUKN5uLYvfPuDYhLsOc0mMKsPVSfiXafGdYBZrQ7+x+o4ZCT7/6RX+lgOKMsozzVdxqOpjbEwIMji5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:21:13.385395Z"},"content_sha256":"633bca1ad41232d2f90a1cfcbd12f790a7fbe1f8a793eba9a8467155cd00c509","schema_version":"1.0","event_id":"sha256:633bca1ad41232d2f90a1cfcbd12f790a7fbe1f8a793eba9a8467155cd00c509"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XKHKNEHFKV2IFKJFECWTCO3SBX/bundle.json","state_url":"https://pith.science/pith/XKHKNEHFKV2IFKJFECWTCO3SBX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XKHKNEHFKV2IFKJFECWTCO3SBX/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":"2026-06-01T02:21:13Z","links":{"resolver":"https://pith.science/pith/XKHKNEHFKV2IFKJFECWTCO3SBX","bundle":"https://pith.science/pith/XKHKNEHFKV2IFKJFECWTCO3SBX/bundle.json","state":"https://pith.science/pith/XKHKNEHFKV2IFKJFECWTCO3SBX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XKHKNEHFKV2IFKJFECWTCO3SBX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:XKHKNEHFKV2IFKJFECWTCO3SBX","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":"6218603ef9305062debe783abfb2b47a42938d9eebee437fed49dc9ce9447c6d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T20:05:50Z","title_canon_sha256":"4ee1b7c5a88b972d466bed08e57c8838ae3349e2b238a503e149999310434c27"},"schema_version":"1.0","source":{"id":"0811.0593","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0593","created_at":"2026-05-18T04:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0593v1","created_at":"2026-05-18T04:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0593","created_at":"2026-05-18T04:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"XKHKNEHFKV2I","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"XKHKNEHFKV2IFKJF","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"XKHKNEHF","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:633bca1ad41232d2f90a1cfcbd12f790a7fbe1f8a793eba9a8467155cd00c509","target":"graph","created_at":"2026-05-18T04:14:36Z","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 the results of a 3-weeks multi-wavelength campaign on the flat spectrum radio quasar 3C 273 carried out with the AGILE gamma-ray mission, covering the 30 MeV -50 GeV and 18-60 keV, the REM observatory (covering the near-IR and optical), Swift (near-UV/Optical, 0.2-10 keV and 15-50 keV), INTEGRAL (3 - 200 keV) and Rossi XTE (2-12 keV). This is the first observational campaign including gamma-ray data, after the last EGRET observations, more than 8 years ago. Our study was carried out using simultaneous light curves of the source flux from all the involved instruments, in the different","authors_text":"(2) INAF/IASF Milano - Italy (3) ASI SDC - Italy (4) CIFS - Italy (5) Dip. di Fisica, 4), 5), (6) INAF/IASF Bologna - Italy (7) Dip. di Fisica, A. Argan (1), A. Bulgarelli (6), A. Giuliani (2), A. Morselli (12), A. Pellizzoni (2), A. Trois (1), A. W. Chen (2, C. Labanti (6), C. Pittori (3), D. Gasparrini (3), D. Impiombato (9), D. Zanello (11), E. Costa (1), E. Del Monte (1), E. Vallazza (7), F. Boffelli (8), F. D'Ammando (1, F. Fuschino (6), F. Gianotti (6), F. Lazzarotto (1), F. Longo (7), F. Perotti (2), F. Verrecchia (3), G. Barbiellini (7), G. Di Cocco (6), G. Pucella (1), G. Stratta (3), G. Tosti (9), I. Donnarumma (1), I. Lapshov (1), INFN-Trieste - Italy (8) INFN-Pavia - Italy (9) Osservatorio Astronomico, L. A. Antonelli (3), L. Pacciani (1), L. Salotti (15) ((1) INAF/IASF Roma - Italy, M. Feroci (1), M. Galli (10), M. Marisaldi (6), M. Prest (13), M. Rapisarda (14), M. Tavani (1), M. T. Fiocchi (1), M. Trifoglio (6), P. A. Caraveo (2), P. Giommi (3), P. Lipari (11), P. Picozza (12), P. Soffitta (1), P. W. Cattaneo (8), S. Colafrancesco (3), S. Cutini (3), S. Mereghetti (2), S. Vercellone (2), T. Froysland (4), Univ. dell Insubria - Italy (14) ENEA-Frascati - Italy (15) ASI - Italy), Univ. di Perugia - Italy (10) ENEA-Bologna - Italy (11) INFN-Roma La Sapienza - Italy (12) INFN-Roma Tor Vergata - Italy (13) Dip. di Fisica, Univ. Tor Vergata - Italy, V. Cocco (4), V. Vittorini (1, Y. Evangelista (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T20:05:50Z","title":"High energy variability of 3C 273 during the AGILE multiwavelength campaign of December 2007 - January 2008"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0593","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":"sha256:6bf856ec098b6c1e69987fdf3e4b055ce31c55884914cffe16077251d40cebc9","target":"record","created_at":"2026-05-18T04:14:36Z","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":"6218603ef9305062debe783abfb2b47a42938d9eebee437fed49dc9ce9447c6d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T20:05:50Z","title_canon_sha256":"4ee1b7c5a88b972d466bed08e57c8838ae3349e2b238a503e149999310434c27"},"schema_version":"1.0","source":{"id":"0811.0593","kind":"arxiv","version":1}},"canonical_sha256":"ba8ea690e5557482a92520ad313b720dd715d0f9dee73bb6b5043292c1ea99f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba8ea690e5557482a92520ad313b720dd715d0f9dee73bb6b5043292c1ea99f7","first_computed_at":"2026-05-18T04:14:36.264533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:14:36.264533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SzcOl3x6tNu3ldU9nCKnDTQTv4saZVZ+ux7pkrEGY6KU1n8FNkY5RVatR3vM34cuFVj2gkfAakMYm/NOfPiCCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:14:36.265188Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.0593","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bf856ec098b6c1e69987fdf3e4b055ce31c55884914cffe16077251d40cebc9","sha256:633bca1ad41232d2f90a1cfcbd12f790a7fbe1f8a793eba9a8467155cd00c509"],"state_sha256":"8ec8c2f9ef48b2e27a0d72ce50157430501c1e28be03c26cc8fec7348d4ea404"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OA6zfK8BRU1xPQ8/gabD3Qc0H5hhdcbDhxuo6/e0A/e2AyzlBw0Nkr1dYKmjOJtl4hWQ38pK00N3Hi1vcZgiBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:21:13.387828Z","bundle_sha256":"432e2292f4f5022c09fb539c27927623d404864440d223376451fe67ab8a6be8"}}