{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NAYNGG4LZSYVSIWLAP6IWYCEDF","short_pith_number":"pith:NAYNGG4L","canonical_record":{"source":{"id":"1405.4168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-16T13:46:05Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"930f9e621c1444c384a39029d7603d0903a67ee10aed1075b5e81f99272fa172","abstract_canon_sha256":"9f248666db8c24650906533e7929ea40818506c027dece5689045c6b211102cc"},"schema_version":"1.0"},"canonical_sha256":"6830d31b8bccb15922cb03fc8b60441942ed7f8926814226277171f4e6ab24d9","source":{"kind":"arxiv","id":"1405.4168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.4168","created_at":"2026-05-18T01:43:11Z"},{"alias_kind":"arxiv_version","alias_value":"1405.4168v1","created_at":"2026-05-18T01:43:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4168","created_at":"2026-05-18T01:43:11Z"},{"alias_kind":"pith_short_12","alias_value":"NAYNGG4LZSYV","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NAYNGG4LZSYVSIWL","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NAYNGG4L","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NAYNGG4LZSYVSIWLAP6IWYCEDF","target":"record","payload":{"canonical_record":{"source":{"id":"1405.4168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-16T13:46:05Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"930f9e621c1444c384a39029d7603d0903a67ee10aed1075b5e81f99272fa172","abstract_canon_sha256":"9f248666db8c24650906533e7929ea40818506c027dece5689045c6b211102cc"},"schema_version":"1.0"},"canonical_sha256":"6830d31b8bccb15922cb03fc8b60441942ed7f8926814226277171f4e6ab24d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:11.684047Z","signature_b64":"Sw76D+myMv+kp0yf5NDdsuBfNxLvjf4qps4NaE2DbFn9dw5E++O7OJpZQoJiv4bMDw4AW9qbyjrdha33Y7kWBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6830d31b8bccb15922cb03fc8b60441942ed7f8926814226277171f4e6ab24d9","last_reissued_at":"2026-05-18T01:43:11.683474Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:11.683474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.4168","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":"2026-05-18T01:43:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lp8dvPinqOJb5TWR0bI32F0Ndqlzbqr1Ed+iDDExE75wwyKAfcLRtASQPyGy0pAuxaPcgi3s5epi+jPCYw7mDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:16:44.980697Z"},"content_sha256":"c80d7fd84210dcdc64ee2d5787ba9fc4648ca1cae685dc1ac2e80a8a791b1bb8","schema_version":"1.0","event_id":"sha256:c80d7fd84210dcdc64ee2d5787ba9fc4648ca1cae685dc1ac2e80a8a791b1bb8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NAYNGG4LZSYVSIWLAP6IWYCEDF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Infrared properties of blazars: putting the GASP-WEBT sources into context","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"2, (2) IAC, 3), 3) ((1) INAF-OATo, (3) Dep. de Astrofisica, (4) Astron. Inst., 5, (5) Pulkovo Observatory, 6), (6) Isaac Newton Institute of Chile, (7) INAF-IRA, 8), (8) DIFA, (9) INAF-OAR, A. A. Arkharov (5), A. B. Grinon-Marin (2, A. Bueno Bueno (2, A. Di Paola (9), A. Manilla-Robles (3), A. Pastor Yabar (2, C. L\\'azaro (2, C. M. Raiteri (1), D. L. Gorshanov (5), F. D'Ammando (7, I. Puerto Gim\\'enez (2, Italy, Italy), J. A. Acosta-Pulido (2, M. I. Carnerero (1, M. J. Ar\\'evalo (2, M. Villata (1), N. V. Efimova (5), P. A. Gonz\\'alez-Morales (2, Russia, Spain, St.-Petersburg, St.-Petersburg Branch, St.-Petersburg State Univ., S. Velasco (2, Tenerife, Universidad de La Laguna, Universit\\`a di Bologna, V. M. Larionov (4","submitted_at":"2014-05-16T13:46:05Z","abstract_excerpt":"The infrared properties of blazars can be studied from the statistical point of view with the help of sky surveys, like that provided by the Wide-field Infrared Survey Explorer (WISE) and the Two Micron All Sky Survey (2MASS). However, these sources are known for their strong and unpredictable variability, which can be monitored for a handful of objects only. In this paper we consider the 28 blazars (14 BL Lac objects and 14 flat-spectrum radio quasars, FSRQs) that are regularly monitored by the GLAST-AGILE Support Program (GASP) of the Whole Earth Blazar Telescope (WEBT) since 2007. They show"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4168","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":"2026-05-18T01:43:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bJhg8nBoOoPj4gFLehiwnPzusm9XDr3l+8pCTyZ6ahC+gLYEutmmBJsiYkW3X3MYkwwZsjw60QpGPgGLVinEBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:16:44.981441Z"},"content_sha256":"14a88cfe0c1c0a5c02dc07cbc8f143f4a4d7e282966d2c627432e57cda07db6d","schema_version":"1.0","event_id":"sha256:14a88cfe0c1c0a5c02dc07cbc8f143f4a4d7e282966d2c627432e57cda07db6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF/bundle.json","state_url":"https://pith.science/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF/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":"2026-05-25T23:16:44Z","links":{"resolver":"https://pith.science/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF","bundle":"https://pith.science/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF/bundle.json","state":"https://pith.science/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NAYNGG4LZSYVSIWLAP6IWYCEDF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NAYNGG4LZSYVSIWLAP6IWYCEDF","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":"9f248666db8c24650906533e7929ea40818506c027dece5689045c6b211102cc","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-16T13:46:05Z","title_canon_sha256":"930f9e621c1444c384a39029d7603d0903a67ee10aed1075b5e81f99272fa172"},"schema_version":"1.0","source":{"id":"1405.4168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.4168","created_at":"2026-05-18T01:43:11Z"},{"alias_kind":"arxiv_version","alias_value":"1405.4168v1","created_at":"2026-05-18T01:43:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4168","created_at":"2026-05-18T01:43:11Z"},{"alias_kind":"pith_short_12","alias_value":"NAYNGG4LZSYV","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NAYNGG4LZSYVSIWL","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NAYNGG4L","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:14a88cfe0c1c0a5c02dc07cbc8f143f4a4d7e282966d2c627432e57cda07db6d","target":"graph","created_at":"2026-05-18T01:43:11Z","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":"The infrared properties of blazars can be studied from the statistical point of view with the help of sky surveys, like that provided by the Wide-field Infrared Survey Explorer (WISE) and the Two Micron All Sky Survey (2MASS). However, these sources are known for their strong and unpredictable variability, which can be monitored for a handful of objects only. In this paper we consider the 28 blazars (14 BL Lac objects and 14 flat-spectrum radio quasars, FSRQs) that are regularly monitored by the GLAST-AGILE Support Program (GASP) of the Whole Earth Blazar Telescope (WEBT) since 2007. They show","authors_text":"2, (2) IAC, 3), 3) ((1) INAF-OATo, (3) Dep. de Astrofisica, (4) Astron. Inst., 5, (5) Pulkovo Observatory, 6), (6) Isaac Newton Institute of Chile, (7) INAF-IRA, 8), (8) DIFA, (9) INAF-OAR, A. A. Arkharov (5), A. B. Grinon-Marin (2, A. Bueno Bueno (2, A. Di Paola (9), A. Manilla-Robles (3), A. Pastor Yabar (2, C. L\\'azaro (2, C. M. Raiteri (1), D. L. Gorshanov (5), F. D'Ammando (7, I. Puerto Gim\\'enez (2, Italy, Italy), J. A. Acosta-Pulido (2, M. I. Carnerero (1, M. J. Ar\\'evalo (2, M. Villata (1), N. V. Efimova (5), P. A. Gonz\\'alez-Morales (2, Russia, Spain, St.-Petersburg, St.-Petersburg Branch, St.-Petersburg State Univ., S. Velasco (2, Tenerife, Universidad de La Laguna, Universit\\`a di Bologna, V. M. Larionov (4","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-16T13:46:05Z","title":"Infrared properties of blazars: putting the GASP-WEBT sources into context"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4168","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:c80d7fd84210dcdc64ee2d5787ba9fc4648ca1cae685dc1ac2e80a8a791b1bb8","target":"record","created_at":"2026-05-18T01:43:11Z","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":"9f248666db8c24650906533e7929ea40818506c027dece5689045c6b211102cc","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-16T13:46:05Z","title_canon_sha256":"930f9e621c1444c384a39029d7603d0903a67ee10aed1075b5e81f99272fa172"},"schema_version":"1.0","source":{"id":"1405.4168","kind":"arxiv","version":1}},"canonical_sha256":"6830d31b8bccb15922cb03fc8b60441942ed7f8926814226277171f4e6ab24d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6830d31b8bccb15922cb03fc8b60441942ed7f8926814226277171f4e6ab24d9","first_computed_at":"2026-05-18T01:43:11.683474Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:11.683474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sw76D+myMv+kp0yf5NDdsuBfNxLvjf4qps4NaE2DbFn9dw5E++O7OJpZQoJiv4bMDw4AW9qbyjrdha33Y7kWBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:11.684047Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.4168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c80d7fd84210dcdc64ee2d5787ba9fc4648ca1cae685dc1ac2e80a8a791b1bb8","sha256:14a88cfe0c1c0a5c02dc07cbc8f143f4a4d7e282966d2c627432e57cda07db6d"],"state_sha256":"ac2ea732cf0204ed69e897c1fb8045a8747c1374e514bbf63416a74514d2034c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fRQGfBYG96zf98rPNZUbUGY60Y+r0X+VpgfvYJbkVP75V91g+zWnKIrFQ5ox3r4H9rAt0qnmS3nQSWfj4TQ9Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:16:44.985250Z","bundle_sha256":"4b23fca031a813071cdbeadf43b32f85ff393884200d143a72f5a7c40c976cad"}}