{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LND5O4HBHJQ7RQSQYHOEIYF6WH","short_pith_number":"pith:LND5O4HB","canonical_record":{"source":{"id":"2302.13775","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-27T13:54:59Z","cross_cats_sorted":[],"title_canon_sha256":"40de3f285877a39eed90c6b381ee12a286ff658d813b50f889725dc7ca615745","abstract_canon_sha256":"7e470a152cfd908f3ee6aaccfdd9b1b5de991e3f960b1d8d6cf4741dc042c1be"},"schema_version":"1.0"},"canonical_sha256":"5b47d770e13a61f8c250c1dc4460beb1df912faa6f5ec67900859c5083e0402c","source":{"kind":"arxiv","id":"2302.13775","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.13775","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"2302.13775v2","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.13775","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"LND5O4HBHJQ7","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"pith_short_16","alias_value":"LND5O4HBHJQ7RQSQ","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"pith_short_8","alias_value":"LND5O4HB","created_at":"2026-07-05T05:56:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LND5O4HBHJQ7RQSQYHOEIYF6WH","target":"record","payload":{"canonical_record":{"source":{"id":"2302.13775","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-27T13:54:59Z","cross_cats_sorted":[],"title_canon_sha256":"40de3f285877a39eed90c6b381ee12a286ff658d813b50f889725dc7ca615745","abstract_canon_sha256":"7e470a152cfd908f3ee6aaccfdd9b1b5de991e3f960b1d8d6cf4741dc042c1be"},"schema_version":"1.0"},"canonical_sha256":"5b47d770e13a61f8c250c1dc4460beb1df912faa6f5ec67900859c5083e0402c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:56:03.089593Z","signature_b64":"KOfwfpGRiJOmCYJMZyj32ThJnJXp9meymQ9dSPXYznEFgk9orCHscQDyF7JVJ+fOp0KMl4gOPy7OYA+YJ17bBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b47d770e13a61f8c250c1dc4460beb1df912faa6f5ec67900859c5083e0402c","last_reissued_at":"2026-07-05T05:56:03.089134Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:56:03.089134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.13775","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:56:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0by/jed3jx0TD7Wd+bOG+eUaF9Al2CDpDdbqf1q01XFiwU4BoYpclux7zqc39K9z4AOz8mDzFHpseRKiQh94Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T09:13:38.996116Z"},"content_sha256":"e392a8d996c9008caf8de05f0a7f00d1249384e71c0ed9114397dde70a5a8d84","schema_version":"1.0","event_id":"sha256:e392a8d996c9008caf8de05f0a7f00d1249384e71c0ed9114397dde70a5a8d84"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LND5O4HBHJQ7RQSQYHOEIYF6WH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Resolution X-Ray Spectroscopy of Supernova Remnants","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Satoru Katsuda (Saitama University)","submitted_at":"2023-02-27T13:54:59Z","abstract_excerpt":"Thermal X-ray spectra from supernova remnants (SNRs) are dominated by a number of line emission from various elements. Resolving the individual lines is critically important for a variety of scientific topics such as diagnosing high-temperature and low-density non-equilibrium plasmas, identifying spectral features like charge exchange and resonance line scattering, revealing kinematics and elemental abundances of SN ejecta and the circumstellar medium, and studying the interstellar medium or planets' atmospheres from extinction features seen in X-ray spectra of very bright SNRs. This chapter r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.13775","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.13775/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:56:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lSlKsej10tb361r3GFqvCj5//nMDpt5qIRs6tCTGnybCMrfyv5QeFg35C0z80qWjnU0+ZFTd94qMc3JX2RrhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T09:13:38.996643Z"},"content_sha256":"5f43574c8f24a500607ecfe7e8f54ce323b5456d5e40c6c263416a1990aa29de","schema_version":"1.0","event_id":"sha256:5f43574c8f24a500607ecfe7e8f54ce323b5456d5e40c6c263416a1990aa29de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH/bundle.json","state_url":"https://pith.science/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH/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":"2026-08-18T09:13:39Z","links":{"resolver":"https://pith.science/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH","bundle":"https://pith.science/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH/bundle.json","state":"https://pith.science/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LND5O4HBHJQ7RQSQYHOEIYF6WH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LND5O4HBHJQ7RQSQYHOEIYF6WH","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":"7e470a152cfd908f3ee6aaccfdd9b1b5de991e3f960b1d8d6cf4741dc042c1be","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-27T13:54:59Z","title_canon_sha256":"40de3f285877a39eed90c6b381ee12a286ff658d813b50f889725dc7ca615745"},"schema_version":"1.0","source":{"id":"2302.13775","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.13775","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"2302.13775v2","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.13775","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"LND5O4HBHJQ7","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"pith_short_16","alias_value":"LND5O4HBHJQ7RQSQ","created_at":"2026-07-05T05:56:03Z"},{"alias_kind":"pith_short_8","alias_value":"LND5O4HB","created_at":"2026-07-05T05:56:03Z"}],"graph_snapshots":[{"event_id":"sha256:5f43574c8f24a500607ecfe7e8f54ce323b5456d5e40c6c263416a1990aa29de","target":"graph","created_at":"2026-07-05T05:56:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2302.13775/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Thermal X-ray spectra from supernova remnants (SNRs) are dominated by a number of line emission from various elements. Resolving the individual lines is critically important for a variety of scientific topics such as diagnosing high-temperature and low-density non-equilibrium plasmas, identifying spectral features like charge exchange and resonance line scattering, revealing kinematics and elemental abundances of SN ejecta and the circumstellar medium, and studying the interstellar medium or planets' atmospheres from extinction features seen in X-ray spectra of very bright SNRs. This chapter r","authors_text":"Satoru Katsuda (Saitama University)","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-27T13:54:59Z","title":"High-Resolution X-Ray Spectroscopy of Supernova Remnants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.13775","kind":"arxiv","version":2},"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:e392a8d996c9008caf8de05f0a7f00d1249384e71c0ed9114397dde70a5a8d84","target":"record","created_at":"2026-07-05T05:56:03Z","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":"7e470a152cfd908f3ee6aaccfdd9b1b5de991e3f960b1d8d6cf4741dc042c1be","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-27T13:54:59Z","title_canon_sha256":"40de3f285877a39eed90c6b381ee12a286ff658d813b50f889725dc7ca615745"},"schema_version":"1.0","source":{"id":"2302.13775","kind":"arxiv","version":2}},"canonical_sha256":"5b47d770e13a61f8c250c1dc4460beb1df912faa6f5ec67900859c5083e0402c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b47d770e13a61f8c250c1dc4460beb1df912faa6f5ec67900859c5083e0402c","first_computed_at":"2026-07-05T05:56:03.089134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:56:03.089134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KOfwfpGRiJOmCYJMZyj32ThJnJXp9meymQ9dSPXYznEFgk9orCHscQDyF7JVJ+fOp0KMl4gOPy7OYA+YJ17bBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:56:03.089593Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.13775","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e392a8d996c9008caf8de05f0a7f00d1249384e71c0ed9114397dde70a5a8d84","sha256:5f43574c8f24a500607ecfe7e8f54ce323b5456d5e40c6c263416a1990aa29de"],"state_sha256":"e96891c68986705de73d87d1fe727622b614460d218e593b8d4d1fa9fca529e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6Tnoj3bNxn0Y4cjYW8xBJ2Pc7PF2QsM/j5wzxWvL09s7+/XDqtpNQDB8PF7cvjvcjJC/zhL1QgKS9liWtsPtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T09:13:39.002458Z","bundle_sha256":"67e6f1554ae134f920e6a8658e6f33c11a9ad2e6af4406a9049ba8c0bf53c258"}}