{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:P2L6DFDVQTBCS3HFYR3KXLSTUU","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":"a2276f92c36c728a8213115668f8e49511dd0cf34c44f3ec445e038f06b515bc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-21T15:21:37Z","title_canon_sha256":"1463daa8e5296d349f05916d576a31568c38fe85755790ce54cb25c4db1b183f"},"schema_version":"1.0","source":{"id":"1711.07841","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07841","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07841v1","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07841","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"P2L6DFDVQTBC","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"P2L6DFDVQTBCS3HF","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"P2L6DFDV","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:51e3fddb88dc6238599d9f97d11a9104d0c66b06a81d5f1b2818957a7790e151","target":"graph","created_at":"2026-05-18T00:29:24Z","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 studied the central regions of the Galactic Centre to determine if the CircumNuclear Disk (CND) acts as an absorber or a barrier for the central X-rays diffuse emission. After reprocessing 4.6Ms of Chandra observations, we were able to detect, for the first time, a depression in the X-ray luminosity of the diffuse emission whose size and location correspond to those of the CND. We extracted the X-ray spectra for various regions inside the CND footprint as well as for the region where the footprint is observed and for a region located outside the footprint. We simultaneously fitted these spe","authors_text":"Andreas Eckart, Enmanuelle Mossoux","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-21T15:21:37Z","title":"The X-ray footprint of the CircumNuclear Disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07841","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":"sha256:79c5fcd8cdbd30c3242dbac0914ee62ddfd763b27b0ed0d6603c34038d020582","target":"record","created_at":"2026-05-18T00:29:24Z","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":"a2276f92c36c728a8213115668f8e49511dd0cf34c44f3ec445e038f06b515bc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-21T15:21:37Z","title_canon_sha256":"1463daa8e5296d349f05916d576a31568c38fe85755790ce54cb25c4db1b183f"},"schema_version":"1.0","source":{"id":"1711.07841","kind":"arxiv","version":1}},"canonical_sha256":"7e97e1947584c2296ce5c476abae53a524e0814fcafdf99fa6c877c484d72a1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e97e1947584c2296ce5c476abae53a524e0814fcafdf99fa6c877c484d72a1f","first_computed_at":"2026-05-18T00:29:24.065661Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:24.065661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mBp9oaPDTpP+Z1w8BaOf5VZTQNztXW9uxaqOMTo8m4+ZKCg/KwcvkaWlifYOSX/8SDzw5jr0ifjfh5M930NOBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:24.066392Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.07841","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79c5fcd8cdbd30c3242dbac0914ee62ddfd763b27b0ed0d6603c34038d020582","sha256:51e3fddb88dc6238599d9f97d11a9104d0c66b06a81d5f1b2818957a7790e151"],"state_sha256":"298c8f5d9e93693d9c1a1e24bb92704bd9ed62a3d195c13331f184ab888be2c7"}