{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:PPMIRTQNFIJIVCJRVNRQLO3A6I","short_pith_number":"pith:PPMIRTQN","canonical_record":{"source":{"id":"1110.1794","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-09T06:02:19Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"f7e2a7a2f0a65d24b58023c811cf329866d6862b144851e2385fe249f40bab79","abstract_canon_sha256":"66fac4194268a957290856c9cf5a98fcedfda79eac0fa93b561ec602ae1d1bdb"},"schema_version":"1.0"},"canonical_sha256":"7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88","source":{"kind":"arxiv","id":"1110.1794","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1794","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1794v1","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1794","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"PPMIRTQNFIJI","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PPMIRTQNFIJIVCJR","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PPMIRTQN","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:PPMIRTQNFIJIVCJRVNRQLO3A6I","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1794","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-09T06:02:19Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"f7e2a7a2f0a65d24b58023c811cf329866d6862b144851e2385fe249f40bab79","abstract_canon_sha256":"66fac4194268a957290856c9cf5a98fcedfda79eac0fa93b561ec602ae1d1bdb"},"schema_version":"1.0"},"canonical_sha256":"7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:16.035126Z","signature_b64":"+P4xWvE0s2IbBgdjehZxdHdt8WGmY2hJo0/rKfeKTDhG3vc69r9rESdXtGv9frHKp6wcknvCluytw+xfnLrxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88","last_reissued_at":"2026-05-18T02:00:16.034568Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:16.034568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1794","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":"2026-05-18T02:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MsITI20++T/DVhyjNrBG2A3v22HKmBcqaqt/cmvTB0kFRTVP4++vCAzFdpDT97yhodsMTMwg1vVRPPXW/TXuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:57:18.389274Z"},"content_sha256":"87d5b026136c6456d0379037963f15433cb7bff7415462ae3e0145b7f2c1d8a7","schema_version":"1.0","event_id":"sha256:87d5b026136c6456d0379037963f15433cb7bff7415462ae3e0145b7f2c1d8a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:PPMIRTQNFIJIVCJRVNRQLO3A6I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radio observations of the first three-month Fermi-AGN at 4.8 GHz","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"((1) Xinjiang Astronomical Observatory, 2), (2) Graduate University of CAS, (3) MPIfR, (4) Shanghai Observatory, Anton Zensus (3), CAS, CAS), Hua-Gang Song (1, Jun Liu (1), Lars Fuhrmann (3), Nicola Marchili (3), Tao An (4), Thomas P. Krichbaum (3), Xiang Liu (1), Zhen Ding (1)","submitted_at":"2011-10-09T06:02:19Z","abstract_excerpt":"Using the Urumqi 25m radio telescope, sources from the first three-month Fermi-LAT detected AGN catalog with declination >0 were observed in 2009 at 4.8 GHz. The radio flux density appears to correlate with the gamma-ray intensity. Intra-day variability (IDV) observations were performed in March, April and May in 2009 for selected 42 gamma-ray bright blazars, and 60% of them show evident flux variability at 4.8 GHz during the IDV observations, the IDV detection rate is higher than that in previous flat-spectrum AGN samples. The IDV appears more often in the VLBI-core dominant blazars, and the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1794","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":"2026-05-18T02:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wfEgE/HTPf04GDSoSu3tBwSFgSvoTVoDqpQeUs1ohEcGXyz3L4eAK4NUWEdFkdrerKMLBA3oQJhii3QxEip1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:57:18.390024Z"},"content_sha256":"e8ccd7833d1af943cbd88a686a2ed785f0bce120c0e789944dee3c88cd346e06","schema_version":"1.0","event_id":"sha256:e8ccd7833d1af943cbd88a686a2ed785f0bce120c0e789944dee3c88cd346e06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I/bundle.json","state_url":"https://pith.science/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I/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":"2026-05-25T22:57:18Z","links":{"resolver":"https://pith.science/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I","bundle":"https://pith.science/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I/bundle.json","state":"https://pith.science/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PPMIRTQNFIJIVCJRVNRQLO3A6I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PPMIRTQNFIJIVCJRVNRQLO3A6I","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":"66fac4194268a957290856c9cf5a98fcedfda79eac0fa93b561ec602ae1d1bdb","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-09T06:02:19Z","title_canon_sha256":"f7e2a7a2f0a65d24b58023c811cf329866d6862b144851e2385fe249f40bab79"},"schema_version":"1.0","source":{"id":"1110.1794","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1794","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1794v1","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1794","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"PPMIRTQNFIJI","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PPMIRTQNFIJIVCJR","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PPMIRTQN","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:e8ccd7833d1af943cbd88a686a2ed785f0bce120c0e789944dee3c88cd346e06","target":"graph","created_at":"2026-05-18T02:00:16Z","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":"Using the Urumqi 25m radio telescope, sources from the first three-month Fermi-LAT detected AGN catalog with declination >0 were observed in 2009 at 4.8 GHz. The radio flux density appears to correlate with the gamma-ray intensity. Intra-day variability (IDV) observations were performed in March, April and May in 2009 for selected 42 gamma-ray bright blazars, and 60% of them show evident flux variability at 4.8 GHz during the IDV observations, the IDV detection rate is higher than that in previous flat-spectrum AGN samples. The IDV appears more often in the VLBI-core dominant blazars, and the ","authors_text":"((1) Xinjiang Astronomical Observatory, 2), (2) Graduate University of CAS, (3) MPIfR, (4) Shanghai Observatory, Anton Zensus (3), CAS, CAS), Hua-Gang Song (1, Jun Liu (1), Lars Fuhrmann (3), Nicola Marchili (3), Tao An (4), Thomas P. Krichbaum (3), Xiang Liu (1), Zhen Ding (1)","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-09T06:02:19Z","title":"Radio observations of the first three-month Fermi-AGN at 4.8 GHz"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1794","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":"sha256:87d5b026136c6456d0379037963f15433cb7bff7415462ae3e0145b7f2c1d8a7","target":"record","created_at":"2026-05-18T02:00:16Z","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":"66fac4194268a957290856c9cf5a98fcedfda79eac0fa93b561ec602ae1d1bdb","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-09T06:02:19Z","title_canon_sha256":"f7e2a7a2f0a65d24b58023c811cf329866d6862b144851e2385fe249f40bab79"},"schema_version":"1.0","source":{"id":"1110.1794","kind":"arxiv","version":1}},"canonical_sha256":"7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88","first_computed_at":"2026-05-18T02:00:16.034568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:16.034568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+P4xWvE0s2IbBgdjehZxdHdt8WGmY2hJo0/rKfeKTDhG3vc69r9rESdXtGv9frHKp6wcknvCluytw+xfnLrxBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:16.035126Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1794","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87d5b026136c6456d0379037963f15433cb7bff7415462ae3e0145b7f2c1d8a7","sha256:e8ccd7833d1af943cbd88a686a2ed785f0bce120c0e789944dee3c88cd346e06"],"state_sha256":"126bad183ff2deed42288860bc881dbf48761ba6ea349d3039098b29c2f60318"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9CtWtIXy+CEGbGv0JQGen8LUTuvXFcTT10If/d4zbKWesFTQu4FovrKTfTHC9KFrtgrvyLcSwWBUWQ1GjnuyAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:57:18.393951Z","bundle_sha256":"f14b67ebf9390137db0b433040447b9c5d5b0b29643f8273b8f44690011671df"}}