{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:FSTHNGW2V57V4EX3ZOXTWUUOEW","short_pith_number":"pith:FSTHNGW2","canonical_record":{"source":{"id":"2403.05664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-08T20:40:41Z","cross_cats_sorted":[],"title_canon_sha256":"2ea7e3156b87f412987ed778d3f75d641ca1fdc692be680350fb9e9e7fe81a6b","abstract_canon_sha256":"b5e4ee0734a369e82ccffec27a7601b911764f37f53de98964b9e3abaf3a7765"},"schema_version":"1.0"},"canonical_sha256":"2ca6769adaaf7f5e12fbcbaf3b528e25874e2ddfc09f31a5373fa3fb8725fc35","source":{"kind":"arxiv","id":"2403.05664","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.05664","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"arxiv_version","alias_value":"2403.05664v1","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.05664","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"pith_short_12","alias_value":"FSTHNGW2V57V","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"pith_short_16","alias_value":"FSTHNGW2V57V4EX3","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"pith_short_8","alias_value":"FSTHNGW2","created_at":"2026-07-05T07:54:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:FSTHNGW2V57V4EX3ZOXTWUUOEW","target":"record","payload":{"canonical_record":{"source":{"id":"2403.05664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-08T20:40:41Z","cross_cats_sorted":[],"title_canon_sha256":"2ea7e3156b87f412987ed778d3f75d641ca1fdc692be680350fb9e9e7fe81a6b","abstract_canon_sha256":"b5e4ee0734a369e82ccffec27a7601b911764f37f53de98964b9e3abaf3a7765"},"schema_version":"1.0"},"canonical_sha256":"2ca6769adaaf7f5e12fbcbaf3b528e25874e2ddfc09f31a5373fa3fb8725fc35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:54:11.473659Z","signature_b64":"IuZm3uHLMIV4zlzQ/EY/J3iEEYnvb196U3AZGVwvsN5q1rDJ7G5bGaqxGZ1fmzPoT+iZSig2cij3/Zr2aRgtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ca6769adaaf7f5e12fbcbaf3b528e25874e2ddfc09f31a5373fa3fb8725fc35","last_reissued_at":"2026-07-05T07:54:11.473159Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:54:11.473159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.05664","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":"2026-07-05T07:54:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oiQZuBvCG8E6AIz3Yckaf59Xnv+81zFcpEixbP4/gFhHQK9KJXC0Bt9why6cdBCskNwKbyVjDWyFoA8Dhxy8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:41:36.586140Z"},"content_sha256":"20f5057031bd5c4a33249ca7602f4f29f00329c8798aab3d11625b994263367b","schema_version":"1.0","event_id":"sha256:20f5057031bd5c4a33249ca7602f4f29f00329c8798aab3d11625b994263367b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:FSTHNGW2V57V4EX3ZOXTWUUOEW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The XMM-Newton Line Emission Analysis Program (X-LEAP) II: The Multi-scale Temperature Structures in the Milky Way Hot Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jifeng Liu, Joel N. Bregman, Zeyang Pan, Zhijie Qu","submitted_at":"2024-03-08T20:40:41Z","abstract_excerpt":"This paper presents the multi-scale temperature structures in the Milky Way (MW) hot gas, as part of the XMM-Newton Line Emission Analysis Program (X-LEAP), surveying the O VII, O VIII, and Fe-L band emission features in the XMM-Newton archive. In particular, we define two temperature tracers, $I_{\\rm OVIII}/I_{\\rm OVII}$ (O87) and $I_{\\rm FeL}/(I_{\\rm OVII}+I_{\\rm OVIII})$ (FeO). These two ratios cannot be explained simultaneously using single-temperature collisional ionization models, which indicates the need for multi-temperature structures in hot gas. In addition, we show three large-scale"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.05664","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.05664/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":"2026-07-05T07:54:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UXl+7dBAtYJx/COA5ms4oclwWUV81RqJIRJnnmKoCNXlPF7YLQ3ihec84prjlO838ai83YO60BU/IwlsWHm1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:41:36.586637Z"},"content_sha256":"acd031a06fcf20e9d5a0d78074787ba994c034980147ebb40488cb6dcc43a206","schema_version":"1.0","event_id":"sha256:acd031a06fcf20e9d5a0d78074787ba994c034980147ebb40488cb6dcc43a206"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW/bundle.json","state_url":"https://pith.science/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW/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":"2026-08-06T11:41:36Z","links":{"resolver":"https://pith.science/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW","bundle":"https://pith.science/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW/bundle.json","state":"https://pith.science/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FSTHNGW2V57V4EX3ZOXTWUUOEW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:FSTHNGW2V57V4EX3ZOXTWUUOEW","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":"b5e4ee0734a369e82ccffec27a7601b911764f37f53de98964b9e3abaf3a7765","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-08T20:40:41Z","title_canon_sha256":"2ea7e3156b87f412987ed778d3f75d641ca1fdc692be680350fb9e9e7fe81a6b"},"schema_version":"1.0","source":{"id":"2403.05664","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.05664","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"arxiv_version","alias_value":"2403.05664v1","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.05664","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"pith_short_12","alias_value":"FSTHNGW2V57V","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"pith_short_16","alias_value":"FSTHNGW2V57V4EX3","created_at":"2026-07-05T07:54:11Z"},{"alias_kind":"pith_short_8","alias_value":"FSTHNGW2","created_at":"2026-07-05T07:54:11Z"}],"graph_snapshots":[{"event_id":"sha256:acd031a06fcf20e9d5a0d78074787ba994c034980147ebb40488cb6dcc43a206","target":"graph","created_at":"2026-07-05T07:54:11Z","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/2403.05664/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents the multi-scale temperature structures in the Milky Way (MW) hot gas, as part of the XMM-Newton Line Emission Analysis Program (X-LEAP), surveying the O VII, O VIII, and Fe-L band emission features in the XMM-Newton archive. In particular, we define two temperature tracers, $I_{\\rm OVIII}/I_{\\rm OVII}$ (O87) and $I_{\\rm FeL}/(I_{\\rm OVII}+I_{\\rm OVIII})$ (FeO). These two ratios cannot be explained simultaneously using single-temperature collisional ionization models, which indicates the need for multi-temperature structures in hot gas. In addition, we show three large-scale","authors_text":"Jifeng Liu, Joel N. Bregman, Zeyang Pan, Zhijie Qu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-08T20:40:41Z","title":"The XMM-Newton Line Emission Analysis Program (X-LEAP) II: The Multi-scale Temperature Structures in the Milky Way Hot Gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.05664","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":"sha256:20f5057031bd5c4a33249ca7602f4f29f00329c8798aab3d11625b994263367b","target":"record","created_at":"2026-07-05T07:54:11Z","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":"b5e4ee0734a369e82ccffec27a7601b911764f37f53de98964b9e3abaf3a7765","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-08T20:40:41Z","title_canon_sha256":"2ea7e3156b87f412987ed778d3f75d641ca1fdc692be680350fb9e9e7fe81a6b"},"schema_version":"1.0","source":{"id":"2403.05664","kind":"arxiv","version":1}},"canonical_sha256":"2ca6769adaaf7f5e12fbcbaf3b528e25874e2ddfc09f31a5373fa3fb8725fc35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ca6769adaaf7f5e12fbcbaf3b528e25874e2ddfc09f31a5373fa3fb8725fc35","first_computed_at":"2026-07-05T07:54:11.473159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:54:11.473159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IuZm3uHLMIV4zlzQ/EY/J3iEEYnvb196U3AZGVwvsN5q1rDJ7G5bGaqxGZ1fmzPoT+iZSig2cij3/Zr2aRgtAw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:54:11.473659Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.05664","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:20f5057031bd5c4a33249ca7602f4f29f00329c8798aab3d11625b994263367b","sha256:acd031a06fcf20e9d5a0d78074787ba994c034980147ebb40488cb6dcc43a206"],"state_sha256":"579ccd56f31daf015e804df1d4a772e7979d2e264b8da7719075c40a9bd0beda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n3ruod360+Xuh5wDS9PvHo6LNRGj9sDFMQqm5/1+/2pxoDECNKA7WCnDk8AYmF1im9aMuekuUEsP5YYlSnrSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:41:36.590470Z","bundle_sha256":"aa390a0d7655fb54ef8c121e15308233034a4b671f690412b5b6e4893acd83d9"}}