{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:73VOVD5CVSP6UDNDDA2BVHL26J","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":"4dbdbcca95f4910d9c69a2405577359409212ab02d71b51ab247c20ef41b8a68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-04T05:09:13Z","title_canon_sha256":"c046d0935f824e45f8e23879c5869046ed5d1a119213d7bd789107b614b63f87"},"schema_version":"1.0","source":{"id":"1807.01449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01449","created_at":"2026-05-18T00:08:40Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01449v1","created_at":"2026-05-18T00:08:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01449","created_at":"2026-05-18T00:08:40Z"},{"alias_kind":"pith_short_12","alias_value":"73VOVD5CVSP6","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"73VOVD5CVSP6UDND","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"73VOVD5C","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:d8629aaa611382c91e8c49394e137b6d2bd3df487b689fb66fb56df76c8026e4","target":"graph","created_at":"2026-05-18T00:08:40Z","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 investigate the Interface Region Imaging Spectrograph (IRIS) observations of the quiet-Sun (QS) to understand the propagation of acoustic waves in transition region (TR) from photosphere. We selected a few IRIS spectral lines, which include the photospheric (Mn~{\\sc i} 2801.25~{\\AA}), chromospheric (Mg~{\\sc ii} k 2796.35~{\\AA}) and TR (C~{\\sc ii} 1334.53~{\\AA}), to investigate the acoustic wave propagation.The wavelet cross-spectrum reveals significant coherence (about 70\\% locations) between photosphere and chromosphere. Few minutes oscillations (i.e., period range from 1.6 to 4.0 minutes)","authors_text":"A.K. Srivastava, B.N. Dwivedi, K. Murawski, P.Kayshap, Z.E. Musielak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-04T05:09:13Z","title":"Vertical Propagation of Acoustic Waves in the Solar Inter-Network as Observed by IRIS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01449","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:aad58d90e1f1d6a638ed6f8446ac8e6907e9e00e538e582ae7495f78e02dbd7c","target":"record","created_at":"2026-05-18T00:08:40Z","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":"4dbdbcca95f4910d9c69a2405577359409212ab02d71b51ab247c20ef41b8a68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-04T05:09:13Z","title_canon_sha256":"c046d0935f824e45f8e23879c5869046ed5d1a119213d7bd789107b614b63f87"},"schema_version":"1.0","source":{"id":"1807.01449","kind":"arxiv","version":1}},"canonical_sha256":"feeaea8fa2ac9fea0da318341a9d7af2575e25f09f0132c4cf28dfd4e3b0ec50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"feeaea8fa2ac9fea0da318341a9d7af2575e25f09f0132c4cf28dfd4e3b0ec50","first_computed_at":"2026-05-18T00:08:40.480466Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:40.480466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0DVVhxQLOhNS8XhuTVMlOM81iwO4z1WzhLX15QBkFyrg3i4tVCvfHyv2aB4lAKIFC0HKLIN0UHmjl7OOxZSeBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:40.481070Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aad58d90e1f1d6a638ed6f8446ac8e6907e9e00e538e582ae7495f78e02dbd7c","sha256:d8629aaa611382c91e8c49394e137b6d2bd3df487b689fb66fb56df76c8026e4"],"state_sha256":"9f7592980dc96e254c1b48101006edf0fdbe4c2055c14f90c5b0b48e45f28ffb"}