{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OA7CQ5DXBKXMNRC33LVIHPBPNQ","short_pith_number":"pith:OA7CQ5DX","canonical_record":{"source":{"id":"1410.0884","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-03T15:37:21Z","cross_cats_sorted":[],"title_canon_sha256":"930b09da90a14854e18674b236297f2d881e44daaeeeca125da960254d7070e5","abstract_canon_sha256":"16b2c3ed252f126b86aaf24210c0ea6cb05c8da6c1bc38321003c172e4ec2738"},"schema_version":"1.0"},"canonical_sha256":"703e2874770aaec6c45bdaea83bc2f6c1a42bfbc11b3b7a9031d29659c56bf2e","source":{"kind":"arxiv","id":"1410.0884","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0884","created_at":"2026-05-18T02:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0884v1","created_at":"2026-05-18T02:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0884","created_at":"2026-05-18T02:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"OA7CQ5DXBKXM","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OA7CQ5DXBKXMNRC3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OA7CQ5DX","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OA7CQ5DXBKXMNRC33LVIHPBPNQ","target":"record","payload":{"canonical_record":{"source":{"id":"1410.0884","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-03T15:37:21Z","cross_cats_sorted":[],"title_canon_sha256":"930b09da90a14854e18674b236297f2d881e44daaeeeca125da960254d7070e5","abstract_canon_sha256":"16b2c3ed252f126b86aaf24210c0ea6cb05c8da6c1bc38321003c172e4ec2738"},"schema_version":"1.0"},"canonical_sha256":"703e2874770aaec6c45bdaea83bc2f6c1a42bfbc11b3b7a9031d29659c56bf2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:08.914583Z","signature_b64":"EpFTRRKDbV0RqKEMIN4xl3xrBAbf/Ga0ZpE8eClePk74NjZFSuYz2Qh5jvF+x1t9QB7szmKql4RCY8tAmyQ1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"703e2874770aaec6c45bdaea83bc2f6c1a42bfbc11b3b7a9031d29659c56bf2e","last_reissued_at":"2026-05-18T02:38:08.914120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:08.914120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.0884","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":"2026-05-18T02:38:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y4akqzYhmpzAUN4jVGSZBsHsa8j+QDu7VhQoqNW2PnPEluvBkz4Cmx4jmbox0tne6SlL2JerydUjFkcy6UmKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:24:58.640756Z"},"content_sha256":"c833fa65acb57f86840550a310da2bd29e84af0a13478542f1d4dfe13f892e47","schema_version":"1.0","event_id":"sha256:c833fa65acb57f86840550a310da2bd29e84af0a13478542f1d4dfe13f892e47"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OA7CQ5DXBKXMNRC33LVIHPBPNQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Very Long Baseline polarimetry and the gamma-ray connection in Markarian 421 during the broadband campaign in 2011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A.P. Marscher, C. Casadio, D. Paneque, F. D'Ammando, G. Giovannini, G. Piner, J.L. Gomez, K. Sokolovsky, L. Fuhrmann, M.G. Blasi, M. Giroletti, M. Kino, M. Orienti, P.G. Edwards, R. Lico, S. Jorstad, T.P. Krichbaum, W. Cotton, Y.Y. Kovalev","submitted_at":"2014-10-03T15:37:21Z","abstract_excerpt":"We analyzed data in polarized intensity obtained with the Very Long Baseline Array (VLBA) at twelve epochs (one observation per month from January to December 2011) at 15, 24, and 43 GHz. For the absolute orientation of the electric vector position angles (EVPA) we used the D-terms method. We also used gamma-ray data from the Fermi Large Area Telescope on weekly time bins throughout 2011. The source shows polarized emission, and its properties vary with time, frequency, and location along the jet. The core mean polarization fraction is generally between 1% and 2%, with a 4% peak at 43 GHz in M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0884","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":"2026-05-18T02:38:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J64lY4d8wZNiolZ0bZ7iz4YKyjSUkXWfDIHhpRxx2M3zOiWVDcnsZHKOqa8CAeh201BMYNol+96+8vBFor0WDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:24:58.641612Z"},"content_sha256":"5ac5f5668711d3d3c2e9881d96cd87acb990fb5b87193d8c4a70a6b1e04af7d8","schema_version":"1.0","event_id":"sha256:5ac5f5668711d3d3c2e9881d96cd87acb990fb5b87193d8c4a70a6b1e04af7d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ/bundle.json","state_url":"https://pith.science/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ/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":"2026-05-25T15:24:58Z","links":{"resolver":"https://pith.science/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ","bundle":"https://pith.science/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ/bundle.json","state":"https://pith.science/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OA7CQ5DXBKXMNRC33LVIHPBPNQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OA7CQ5DXBKXMNRC33LVIHPBPNQ","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":"16b2c3ed252f126b86aaf24210c0ea6cb05c8da6c1bc38321003c172e4ec2738","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-03T15:37:21Z","title_canon_sha256":"930b09da90a14854e18674b236297f2d881e44daaeeeca125da960254d7070e5"},"schema_version":"1.0","source":{"id":"1410.0884","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0884","created_at":"2026-05-18T02:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0884v1","created_at":"2026-05-18T02:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0884","created_at":"2026-05-18T02:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"OA7CQ5DXBKXM","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OA7CQ5DXBKXMNRC3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OA7CQ5DX","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:5ac5f5668711d3d3c2e9881d96cd87acb990fb5b87193d8c4a70a6b1e04af7d8","target":"graph","created_at":"2026-05-18T02:38:08Z","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 analyzed data in polarized intensity obtained with the Very Long Baseline Array (VLBA) at twelve epochs (one observation per month from January to December 2011) at 15, 24, and 43 GHz. For the absolute orientation of the electric vector position angles (EVPA) we used the D-terms method. We also used gamma-ray data from the Fermi Large Area Telescope on weekly time bins throughout 2011. The source shows polarized emission, and its properties vary with time, frequency, and location along the jet. The core mean polarization fraction is generally between 1% and 2%, with a 4% peak at 43 GHz in M","authors_text":"A.P. Marscher, C. Casadio, D. Paneque, F. D'Ammando, G. Giovannini, G. Piner, J.L. Gomez, K. Sokolovsky, L. Fuhrmann, M.G. Blasi, M. Giroletti, M. Kino, M. Orienti, P.G. Edwards, R. Lico, S. Jorstad, T.P. Krichbaum, W. Cotton, Y.Y. Kovalev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-03T15:37:21Z","title":"Very Long Baseline polarimetry and the gamma-ray connection in Markarian 421 during the broadband campaign in 2011"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0884","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:c833fa65acb57f86840550a310da2bd29e84af0a13478542f1d4dfe13f892e47","target":"record","created_at":"2026-05-18T02:38:08Z","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":"16b2c3ed252f126b86aaf24210c0ea6cb05c8da6c1bc38321003c172e4ec2738","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-03T15:37:21Z","title_canon_sha256":"930b09da90a14854e18674b236297f2d881e44daaeeeca125da960254d7070e5"},"schema_version":"1.0","source":{"id":"1410.0884","kind":"arxiv","version":1}},"canonical_sha256":"703e2874770aaec6c45bdaea83bc2f6c1a42bfbc11b3b7a9031d29659c56bf2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"703e2874770aaec6c45bdaea83bc2f6c1a42bfbc11b3b7a9031d29659c56bf2e","first_computed_at":"2026-05-18T02:38:08.914120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:08.914120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EpFTRRKDbV0RqKEMIN4xl3xrBAbf/Ga0ZpE8eClePk74NjZFSuYz2Qh5jvF+x1t9QB7szmKql4RCY8tAmyQ1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:08.914583Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.0884","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c833fa65acb57f86840550a310da2bd29e84af0a13478542f1d4dfe13f892e47","sha256:5ac5f5668711d3d3c2e9881d96cd87acb990fb5b87193d8c4a70a6b1e04af7d8"],"state_sha256":"69fb01f49924d3c19a999e2d15449407c4188f99ebcd27444a8522b6a70280f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSJR+jN1JKLRMkTwn+TtAYd3rq7enLyhp5n4V1rxlQy4nMBrbDkuR/9VcZ0vaW5j06WgK7WPb85XhM/I+pMYDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:24:58.645591Z","bundle_sha256":"80cb07d8ee490af53903b1914e4b6cdd02872a7400c68256ebf7f54f13b3aa77"}}