{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QJQVKVMJTOJPBMHM4PYY5LH7LF","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":"b2b682c17783e2a220a40c60dbe5d5df46215c9f28ece179b47b99859a06d5d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-05-05T07:24:16Z","title_canon_sha256":"d4ce1eb98b288c4b7a0e92ddf3cd132f6f5c8bd1751ae4be9455197c4a27e3cc"},"schema_version":"1.0","source":{"id":"1705.02106","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02106","created_at":"2026-05-18T00:41:33Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02106v1","created_at":"2026-05-18T00:41:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02106","created_at":"2026-05-18T00:41:33Z"},{"alias_kind":"pith_short_12","alias_value":"QJQVKVMJTOJP","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QJQVKVMJTOJPBMHM","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QJQVKVMJ","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:4c733cbcf0b8f4f883b82f6a84b15258d39beb5eca6e0a8aa0af88aaa411b44c","target":"graph","created_at":"2026-05-18T00:41:33Z","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 show the combined spectral analysis of \\emph{Chandra} high energy transmission grating (HETG) and \\emph{XMM-Newton} reflection grating spectrometer (RGS) observations of the broad-line radio galaxy 3C 111. The source is known to show excess neutral absorption with respect to the one estimated from 21 cm radio surveys of atomic H I in the Galaxy. However, previous works were not able to constrain the origin of such absorber as local to our Milky Way or intrinsic to the source ($z = 0.0485$). The high signal-to-noise grating spectra allow us to constrain the excess absorption as due to interv","authors_text":"2, (2) University of Maryland, 3), (3) University of Rome Tor Vergata, (4) Technion), College Park, C. S. Reynolds (2), E. Behar (4) ((1) NASA/GSFC, F. Tombesi (1, R. F. Mushotzky (2)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-05-05T07:24:16Z","title":"Excess Galactic molecular absorption toward the radio galaxy 3C 111"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02106","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:f00638b942a2097dc95b518cd5f221a9caf2dd3095b4d3fdc24ae82f3f90e318","target":"record","created_at":"2026-05-18T00:41:33Z","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":"b2b682c17783e2a220a40c60dbe5d5df46215c9f28ece179b47b99859a06d5d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-05-05T07:24:16Z","title_canon_sha256":"d4ce1eb98b288c4b7a0e92ddf3cd132f6f5c8bd1751ae4be9455197c4a27e3cc"},"schema_version":"1.0","source":{"id":"1705.02106","kind":"arxiv","version":1}},"canonical_sha256":"82615555899b92f0b0ece3f18eacff594cefa8dec7adfe29f2ee5a0ba4ea75fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82615555899b92f0b0ece3f18eacff594cefa8dec7adfe29f2ee5a0ba4ea75fe","first_computed_at":"2026-05-18T00:41:33.181031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:33.181031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2DmrCoQhxyc2lMa7E8mxAGH/i3SkCaRnQ12GrZ3vu8ry29uoYhSSi3pW3ZiYNTPF3t2E/o9qgpbTffrUz2wPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:33.181673Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02106","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f00638b942a2097dc95b518cd5f221a9caf2dd3095b4d3fdc24ae82f3f90e318","sha256:4c733cbcf0b8f4f883b82f6a84b15258d39beb5eca6e0a8aa0af88aaa411b44c"],"state_sha256":"1a788fd59a7c8e3276b10793aa3d605457fbd773179d7b585c0a4872903b5232"}