{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XSWYVF3D6V6PCNLLU5Z5YKVEPX","short_pith_number":"pith:XSWYVF3D","canonical_record":{"source":{"id":"1902.08386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-22T07:37:06Z","cross_cats_sorted":[],"title_canon_sha256":"7971795dab95f7f535da980661a23ecd637ecac588bd14b390d3d933bf50bb4d","abstract_canon_sha256":"72047a681776b9cb48cc1a54a3459853c57b064ec3f2cd828f1a397dde0530d3"},"schema_version":"1.0"},"canonical_sha256":"bcad8a9763f57cf1356ba773dc2aa47dc18a0e09ece9476d841b07c405a2c90b","source":{"kind":"arxiv","id":"1902.08386","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.08386","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"arxiv_version","alias_value":"1902.08386v1","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.08386","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"pith_short_12","alias_value":"XSWYVF3D6V6P","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XSWYVF3D6V6PCNLL","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XSWYVF3D","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XSWYVF3D6V6PCNLLU5Z5YKVEPX","target":"record","payload":{"canonical_record":{"source":{"id":"1902.08386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-22T07:37:06Z","cross_cats_sorted":[],"title_canon_sha256":"7971795dab95f7f535da980661a23ecd637ecac588bd14b390d3d933bf50bb4d","abstract_canon_sha256":"72047a681776b9cb48cc1a54a3459853c57b064ec3f2cd828f1a397dde0530d3"},"schema_version":"1.0"},"canonical_sha256":"bcad8a9763f57cf1356ba773dc2aa47dc18a0e09ece9476d841b07c405a2c90b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:30.423180Z","signature_b64":"YCbNklnpR3ubTxky90QfMi0LOT5OAaefbZcnoEYiVClIz3pyBiqc7Q/tBrqhLptSjfnDvZSUWvdj4NI41b7/BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcad8a9763f57cf1356ba773dc2aa47dc18a0e09ece9476d841b07c405a2c90b","last_reissued_at":"2026-05-17T23:48:30.422616Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:30.422616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.08386","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qbQF3g2UGcx01Acay6Z0keHRSqFHFCsqZZ9nc5JrRHkIkmplJketqvTCEsI7AoYEmeOUEYrM0YkgM8YCCr7FDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:11:59.481643Z"},"content_sha256":"f5bfbf22fa32c53519593b118f95557d66e05b703ca6fe9a09a5087f00827857","schema_version":"1.0","event_id":"sha256:f5bfbf22fa32c53519593b118f95557d66e05b703ca6fe9a09a5087f00827857"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XSWYVF3D6V6PCNLLU5Z5YKVEPX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray spectra of Sgr A East and diffuse X-ray background near the Galactic center","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Akiko Ono, Hideki Uchiyama, Katsuji Koyama, Kumiko K. Nobukawa, Masayoshi Nobukawa, Shigeo Yamauchi","submitted_at":"2019-02-22T07:37:06Z","abstract_excerpt":"This paper reports the analysis procedure and results of simultaneous spectral fits of the Suzaku archive data for Sagittarius (Sgr) A East and the nearby Galactic center X-ray emission (GCXE). The results are that the mixed-morphology supernova remnant Sgr A East has a recombining plasma (RP) with Cr and Mn He$\\alpha$ lines, and a power-law component (PL) with an Fe I K$\\alpha$ line. The nearby GCXE has a $\\sim$1.5-times larger surface brightness than the mean GCXE far from Sgr A East, although the spectral shape is almost identical. Based on these results, we interpret that the origins of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.08386","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhIUkxJJw2LFqJIgusthz8DXf7BIZTvg9b6Qrs8PQmNcc1ZNcg6ZslLoFHAZ9+nbh/UkF+T1tMObios741uMDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:11:59.482196Z"},"content_sha256":"4f26cdbbf577b8761bcfb670ed1c591f331ca917115741dbcc6dc5a014c1ac17","schema_version":"1.0","event_id":"sha256:4f26cdbbf577b8761bcfb670ed1c591f331ca917115741dbcc6dc5a014c1ac17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX/bundle.json","state_url":"https://pith.science/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T15:11:59Z","links":{"resolver":"https://pith.science/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX","bundle":"https://pith.science/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX/bundle.json","state":"https://pith.science/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XSWYVF3D6V6PCNLLU5Z5YKVEPX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XSWYVF3D6V6PCNLLU5Z5YKVEPX","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":"72047a681776b9cb48cc1a54a3459853c57b064ec3f2cd828f1a397dde0530d3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-22T07:37:06Z","title_canon_sha256":"7971795dab95f7f535da980661a23ecd637ecac588bd14b390d3d933bf50bb4d"},"schema_version":"1.0","source":{"id":"1902.08386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.08386","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"arxiv_version","alias_value":"1902.08386v1","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.08386","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"pith_short_12","alias_value":"XSWYVF3D6V6P","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XSWYVF3D6V6PCNLL","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XSWYVF3D","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:4f26cdbbf577b8761bcfb670ed1c591f331ca917115741dbcc6dc5a014c1ac17","target":"graph","created_at":"2026-05-17T23:48:30Z","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":"This paper reports the analysis procedure and results of simultaneous spectral fits of the Suzaku archive data for Sagittarius (Sgr) A East and the nearby Galactic center X-ray emission (GCXE). The results are that the mixed-morphology supernova remnant Sgr A East has a recombining plasma (RP) with Cr and Mn He$\\alpha$ lines, and a power-law component (PL) with an Fe I K$\\alpha$ line. The nearby GCXE has a $\\sim$1.5-times larger surface brightness than the mean GCXE far from Sgr A East, although the spectral shape is almost identical. Based on these results, we interpret that the origins of th","authors_text":"Akiko Ono, Hideki Uchiyama, Katsuji Koyama, Kumiko K. Nobukawa, Masayoshi Nobukawa, Shigeo Yamauchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-22T07:37:06Z","title":"X-ray spectra of Sgr A East and diffuse X-ray background near the Galactic center"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.08386","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:f5bfbf22fa32c53519593b118f95557d66e05b703ca6fe9a09a5087f00827857","target":"record","created_at":"2026-05-17T23:48:30Z","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":"72047a681776b9cb48cc1a54a3459853c57b064ec3f2cd828f1a397dde0530d3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-22T07:37:06Z","title_canon_sha256":"7971795dab95f7f535da980661a23ecd637ecac588bd14b390d3d933bf50bb4d"},"schema_version":"1.0","source":{"id":"1902.08386","kind":"arxiv","version":1}},"canonical_sha256":"bcad8a9763f57cf1356ba773dc2aa47dc18a0e09ece9476d841b07c405a2c90b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcad8a9763f57cf1356ba773dc2aa47dc18a0e09ece9476d841b07c405a2c90b","first_computed_at":"2026-05-17T23:48:30.422616Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:30.422616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YCbNklnpR3ubTxky90QfMi0LOT5OAaefbZcnoEYiVClIz3pyBiqc7Q/tBrqhLptSjfnDvZSUWvdj4NI41b7/BQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:30.423180Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.08386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5bfbf22fa32c53519593b118f95557d66e05b703ca6fe9a09a5087f00827857","sha256:4f26cdbbf577b8761bcfb670ed1c591f331ca917115741dbcc6dc5a014c1ac17"],"state_sha256":"739360aed879998ca812a4fb1c5e1da37938806b9acbf03a02d0daae525d0808"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aznX/wNMZ3GWMqRHWgdsfZjy9cNoeOk1SHTNLf8LTYWz4AHe+8M39d/L0+oZl3tXZufsEcpm+OPcj1DOlRhYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T15:11:59.484287Z","bundle_sha256":"8874e5f47555427bcca1078e635ad85ff83323cf9815496d7d2efab0fa2f97dc"}}