{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:GFUC2H3QXHRWV7N5SLU4SPCOJ5","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":"9937ffbab36db854540362ae4039833a37ee537f9458bcf07d42caae8c19b56a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-16T04:56:01Z","title_canon_sha256":"ad762345fe7d264a73a5d073a4ad1bad31451e3e5659b319ccf2f440d24c9e07"},"schema_version":"1.0","source":{"id":"0910.3037","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.3037","created_at":"2026-05-18T02:34:18Z"},{"alias_kind":"arxiv_version","alias_value":"0910.3037v2","created_at":"2026-05-18T02:34:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.3037","created_at":"2026-05-18T02:34:18Z"},{"alias_kind":"pith_short_12","alias_value":"GFUC2H3QXHRW","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GFUC2H3QXHRWV7N5","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GFUC2H3Q","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:3b7e23886820de8d8934a6afc9666795c2ea43e23a06e24dcbff21ec8869a8bf","target":"graph","created_at":"2026-05-18T02:34:18Z","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":"Based on the data obtained from the Spitzer/GLIPMSE Legacy Program and the 2MASS project, we derive the extinction in the four IRAC bands, [3.6], [4.5], [5.8] and [8.0] micron, relative to the 2MASS Ks band (at 2.16 micron) for 131 GLIPMSE fields along the Galactic plane within |l|<65 deg, using red giants and red clump giants as tracers. As a whole, the mean extinction in the IRAC bands (normalized to the 2MASS Ks band), A_[3.6]/A_Ks=0.63, A_[4.5]/A_Ks=0.57, A_[5.8]/A_Ks=0.49, A_[8.0]/A_Ks=0.55, exhibits little variation with wavelength (i.e. the extinction is somewhat flat or gray). This is ","authors_text":"2), (2) Department of Physics, A. Li (2) ((1) Department of Astronomy, Astronomy, Beijing, Beijing Normal University, B. W. Jiang (1), China, Columbia, Jian Gao (1, MO, University of Missouri, USA)","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-16T04:56:01Z","title":"Mid-Infrared Extinction and its Variation with Galactic Longitude"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.3037","kind":"arxiv","version":2},"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":"sha256:85f268fc399d57367093d1f9ef57a01fd16a80f5b8bd0f2de491196934dac220","target":"record","created_at":"2026-05-18T02:34:18Z","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":"9937ffbab36db854540362ae4039833a37ee537f9458bcf07d42caae8c19b56a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-16T04:56:01Z","title_canon_sha256":"ad762345fe7d264a73a5d073a4ad1bad31451e3e5659b319ccf2f440d24c9e07"},"schema_version":"1.0","source":{"id":"0910.3037","kind":"arxiv","version":2}},"canonical_sha256":"31682d1f70b9e36afdbd92e9c93c4e4f4fa917f9f06b086d0713474167fe44da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31682d1f70b9e36afdbd92e9c93c4e4f4fa917f9f06b086d0713474167fe44da","first_computed_at":"2026-05-18T02:34:18.608310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:18.608310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RDOdnw8A7+8xq4Fi7gtak9Oj2J2YkLn36yigxYBfC/AwpGyJbtz6bMJxXVNKhqGnYI1tstprdSK+ev97tYBgCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:18.608807Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.3037","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85f268fc399d57367093d1f9ef57a01fd16a80f5b8bd0f2de491196934dac220","sha256:3b7e23886820de8d8934a6afc9666795c2ea43e23a06e24dcbff21ec8869a8bf"],"state_sha256":"f124304111c30c02d911da69e3449300a8351c5a87caf0be18c63601dbb31cea"}