{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZR6H55TL57YFG5GA23XH57EPZW","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":"c7e0838ff3e92754a8f469e7f0fb8ef075fa317fb49aaaaa3b5b948773bded01","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-16T16:51:38Z","title_canon_sha256":"27b68f59f9597ec74ab12abf21f8c7fa824f3ad9b572332db06bfc6b0f6568f3"},"schema_version":"1.0","source":{"id":"1605.04837","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.04837","created_at":"2026-05-18T01:08:41Z"},{"alias_kind":"arxiv_version","alias_value":"1605.04837v1","created_at":"2026-05-18T01:08:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.04837","created_at":"2026-05-18T01:08:41Z"},{"alias_kind":"pith_short_12","alias_value":"ZR6H55TL57YF","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"ZR6H55TL57YFG5GA","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"ZR6H55TL","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:73f0f05bbf9befbda990532832cc59d8cb4d95e3d5ac4ee300fbcbdc2388c5fd","target":"graph","created_at":"2026-05-18T01:08:41Z","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 survey the Si K edge structure in various absorbed Galactic low-mass X-ray binaries (LMXBs) to study states of silicon in the inter- and circum-stellar medium. The bulk of these LMXBs lie toward the Galactic bulge region and all have column densities above $10^{22}$ cm$^{-2}$. The observations were performed with the \\emph{Chandra} High Energy Transmission Grating Spectrometer. The Si K edge in all sources appears at an energy value of 1844$\\pm$0.001 eV. The edge exhibits significant substructure which can be described by a near edge absorption feature at 1849$\\pm$0.002 eV and a far edge ab","authors_text":"Claude R. Canizares, Lia Corrales, Norbert S. Schulz","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-16T16:51:38Z","title":"Si K Edge Structure and Variability in Galactic X-Ray Binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.04837","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:e56e32b40c150b81e58083d48b2d2e8b3370f1d3503865c231e6b68acc6456be","target":"record","created_at":"2026-05-18T01:08:41Z","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":"c7e0838ff3e92754a8f469e7f0fb8ef075fa317fb49aaaaa3b5b948773bded01","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-16T16:51:38Z","title_canon_sha256":"27b68f59f9597ec74ab12abf21f8c7fa824f3ad9b572332db06bfc6b0f6568f3"},"schema_version":"1.0","source":{"id":"1605.04837","kind":"arxiv","version":1}},"canonical_sha256":"cc7c7ef66beff05374c0d6ee7efc8fcda2c3b7c62772b44b814163d170a25dbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc7c7ef66beff05374c0d6ee7efc8fcda2c3b7c62772b44b814163d170a25dbd","first_computed_at":"2026-05-18T01:08:41.296584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:41.296584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IVt8gn9nMI/Q0eAYI1p0ymzySBSgKGsUS/UWeH03sn5LPsTDM5vVXpXSe8gZ3Z0y3+IixKPvZpsFwzI49yZJCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:41.297145Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.04837","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e56e32b40c150b81e58083d48b2d2e8b3370f1d3503865c231e6b68acc6456be","sha256:73f0f05bbf9befbda990532832cc59d8cb4d95e3d5ac4ee300fbcbdc2388c5fd"],"state_sha256":"e633f635e00d5534704ed9d652cc39d63ea4f4511f24ca1a543f672f9a0bb66d"}