{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:FKWD73R3V5TPWBSBBTZPZWFRAF","short_pith_number":"pith:FKWD73R3","canonical_record":{"source":{"id":"astro-ph/0302518","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-25T15:24:54Z","cross_cats_sorted":[],"title_canon_sha256":"0c43416e19ada6f8a051ba09f361fd2c42cfd3ae4952f8130e862ef0df707a5b","abstract_canon_sha256":"c102323c20471d8a1897ff8da37cb8c5a9319890ce79dc99c46bbdfed4f5e75a"},"schema_version":"1.0"},"canonical_sha256":"2aac3fee3baf66fb06410cf2fcd8b10165bd19521781613423a773dcbcf6af6e","source":{"kind":"arxiv","id":"astro-ph/0302518","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0302518","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0302518v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0302518","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"FKWD73R3V5TP","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"FKWD73R3V5TPWBSB","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"FKWD73R3","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:FKWD73R3V5TPWBSBBTZPZWFRAF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0302518","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-25T15:24:54Z","cross_cats_sorted":[],"title_canon_sha256":"0c43416e19ada6f8a051ba09f361fd2c42cfd3ae4952f8130e862ef0df707a5b","abstract_canon_sha256":"c102323c20471d8a1897ff8da37cb8c5a9319890ce79dc99c46bbdfed4f5e75a"},"schema_version":"1.0"},"canonical_sha256":"2aac3fee3baf66fb06410cf2fcd8b10165bd19521781613423a773dcbcf6af6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:41.739211Z","signature_b64":"Kc83PFVMLYxrR+3y1rtpF9brSA9X176QZL5Kzet+xZaji3lV3SkvrX700EFPMeJHdyRylu3ST71lner+0X+qBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2aac3fee3baf66fb06410cf2fcd8b10165bd19521781613423a773dcbcf6af6e","last_reissued_at":"2026-05-18T04:21:41.738661Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:41.738661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0302518","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bn9N6iAEOWfGV8PsT09zK3G50JavZUbmIeMiZLYf20IuJOEw4jVR8tAxq0bNkD0hQHyJ2nikPJFpw/CpfTLjDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T18:11:32.885563Z"},"content_sha256":"b8983f2f99f19f88ad1c5c1cec02751ece503b333afecfe89751edc878a1ce10","schema_version":"1.0","event_id":"sha256:b8983f2f99f19f88ad1c5c1cec02751ece503b333afecfe89751edc878a1ce10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:FKWD73R3V5TPWBSBBTZPZWFRAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical and radio behaviour of the BL Lacertae object 0716+714","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Kraus, A. Witzel, C.M. Raiteri (INAF, E. Massaro, F. Montagni, G. Cimo`, G.N. Kimeridze, G. Nucciarelli, G. Tosti, H.D. Aller, H. Terasranta, H. Ungerechts, I.E. Papadakis, L. Fuhrmann, L. Lanteri, L. Ostorero, M.A. Ibrahimov, M.F. Aller, M.G. Nikolashvili, M. Maesano, M. Villata, O.M. Kurtanidze, Osservatorio Astronomico di Torino), R. Nesci, S. Ciprini, T.P. Krichbaum, U. Bach, U. Lisenfeld","submitted_at":"2003-02-25T15:24:54Z","abstract_excerpt":"Eight optical and four radio observatories have been intensively monitoring the BL Lac object 0716+714 in the last years: 4854 data points have been collected in the UBVRI bands since 1994, while radio light curves extend back to 1978. Many of these data are presented here for the first time. The long-term trend shown by the optical light curves seems to vary with a characteristic time scale of about 3.3 years, while a longer period of 5.5-6 years seems to characterize the radio long-term variations. In general, optical colour indices are only weakly correlated with brightness. The radio flux "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0302518","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Td9uQIFAfVRnU1j7u1f3t/FkyzQbEPpFE3WTzbb8JSDn38IqUwZVCvG3L7rJ0lwQQC8sw8uBin52NsUzySJzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T18:11:32.886187Z"},"content_sha256":"ee40762371d93ed770eb387aabe4b16cb3346437b279ff14a9b2efbee1f4a7ff","schema_version":"1.0","event_id":"sha256:ee40762371d93ed770eb387aabe4b16cb3346437b279ff14a9b2efbee1f4a7ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FKWD73R3V5TPWBSBBTZPZWFRAF/bundle.json","state_url":"https://pith.science/pith/FKWD73R3V5TPWBSBBTZPZWFRAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FKWD73R3V5TPWBSBBTZPZWFRAF/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":"2026-05-31T18:11:32Z","links":{"resolver":"https://pith.science/pith/FKWD73R3V5TPWBSBBTZPZWFRAF","bundle":"https://pith.science/pith/FKWD73R3V5TPWBSBBTZPZWFRAF/bundle.json","state":"https://pith.science/pith/FKWD73R3V5TPWBSBBTZPZWFRAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FKWD73R3V5TPWBSBBTZPZWFRAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:FKWD73R3V5TPWBSBBTZPZWFRAF","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":"c102323c20471d8a1897ff8da37cb8c5a9319890ce79dc99c46bbdfed4f5e75a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-25T15:24:54Z","title_canon_sha256":"0c43416e19ada6f8a051ba09f361fd2c42cfd3ae4952f8130e862ef0df707a5b"},"schema_version":"1.0","source":{"id":"astro-ph/0302518","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0302518","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0302518v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0302518","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"FKWD73R3V5TP","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"FKWD73R3V5TPWBSB","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"FKWD73R3","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:ee40762371d93ed770eb387aabe4b16cb3346437b279ff14a9b2efbee1f4a7ff","target":"graph","created_at":"2026-05-18T04:21:41Z","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":"Eight optical and four radio observatories have been intensively monitoring the BL Lac object 0716+714 in the last years: 4854 data points have been collected in the UBVRI bands since 1994, while radio light curves extend back to 1978. Many of these data are presented here for the first time. The long-term trend shown by the optical light curves seems to vary with a characteristic time scale of about 3.3 years, while a longer period of 5.5-6 years seems to characterize the radio long-term variations. In general, optical colour indices are only weakly correlated with brightness. The radio flux ","authors_text":"A. Kraus, A. Witzel, C.M. Raiteri (INAF, E. Massaro, F. Montagni, G. Cimo`, G.N. Kimeridze, G. Nucciarelli, G. Tosti, H.D. Aller, H. Terasranta, H. Ungerechts, I.E. Papadakis, L. Fuhrmann, L. Lanteri, L. Ostorero, M.A. Ibrahimov, M.F. Aller, M.G. Nikolashvili, M. Maesano, M. Villata, O.M. Kurtanidze, Osservatorio Astronomico di Torino), R. Nesci, S. Ciprini, T.P. Krichbaum, U. Bach, U. Lisenfeld","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-02-25T15:24:54Z","title":"Optical and radio behaviour of the BL Lacertae object 0716+714"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0302518","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:b8983f2f99f19f88ad1c5c1cec02751ece503b333afecfe89751edc878a1ce10","target":"record","created_at":"2026-05-18T04:21:41Z","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":"c102323c20471d8a1897ff8da37cb8c5a9319890ce79dc99c46bbdfed4f5e75a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-25T15:24:54Z","title_canon_sha256":"0c43416e19ada6f8a051ba09f361fd2c42cfd3ae4952f8130e862ef0df707a5b"},"schema_version":"1.0","source":{"id":"astro-ph/0302518","kind":"arxiv","version":1}},"canonical_sha256":"2aac3fee3baf66fb06410cf2fcd8b10165bd19521781613423a773dcbcf6af6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2aac3fee3baf66fb06410cf2fcd8b10165bd19521781613423a773dcbcf6af6e","first_computed_at":"2026-05-18T04:21:41.738661Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:41.738661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kc83PFVMLYxrR+3y1rtpF9brSA9X176QZL5Kzet+xZaji3lV3SkvrX700EFPMeJHdyRylu3ST71lner+0X+qBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:41.739211Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0302518","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8983f2f99f19f88ad1c5c1cec02751ece503b333afecfe89751edc878a1ce10","sha256:ee40762371d93ed770eb387aabe4b16cb3346437b279ff14a9b2efbee1f4a7ff"],"state_sha256":"38851942c3a60157eb999e3e4d1d08617125b64608549de7d894da6b771a4674"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bXOJA7BO8IZcvp/zrRgbA/q3GAv1i5QU93gYO34/PxtDeddOHaV9HpU5kvvMnZCjpDngDIypsMtSF8QXuV3AAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T18:11:32.889458Z","bundle_sha256":"221f771b37ae38fd5e19ff95e9ecadd4c991f76fc8ce3d92c8bed077e9e4699c"}}