{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:EFLMHXRRSN7MVLYXCPWJZPNGVY","short_pith_number":"pith:EFLMHXRR","canonical_record":{"source":{"id":"2312.08444","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-13T19:00:01Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ab44a87e2825c374c21f5ecd8f567a2bcd698967badf84ed9a996cc69974f04e","abstract_canon_sha256":"aee51329c609dcc827f1972df56d63083de5668f5bbf4c0b2099a64762336ec1"},"schema_version":"1.0"},"canonical_sha256":"2156c3de31937ecaaf1713ec9cbda6ae0b245e4fabb0668987754464c5991645","source":{"kind":"arxiv","id":"2312.08444","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.08444","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"arxiv_version","alias_value":"2312.08444v2","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.08444","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"pith_short_12","alias_value":"EFLMHXRRSN7M","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"pith_short_16","alias_value":"EFLMHXRRSN7MVLYX","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"pith_short_8","alias_value":"EFLMHXRR","created_at":"2026-07-05T08:31:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:EFLMHXRRSN7MVLYXCPWJZPNGVY","target":"record","payload":{"canonical_record":{"source":{"id":"2312.08444","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-13T19:00:01Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ab44a87e2825c374c21f5ecd8f567a2bcd698967badf84ed9a996cc69974f04e","abstract_canon_sha256":"aee51329c609dcc827f1972df56d63083de5668f5bbf4c0b2099a64762336ec1"},"schema_version":"1.0"},"canonical_sha256":"2156c3de31937ecaaf1713ec9cbda6ae0b245e4fabb0668987754464c5991645","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:31:45.396110Z","signature_b64":"kkYvC1JNJ0WKP/N2KfJyFELYUppIxtqOS3tDcJI65OUDTJWvSb1QRw5zlyd0m+7rQe57xNfyArQ4P9h81TLNCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2156c3de31937ecaaf1713ec9cbda6ae0b245e4fabb0668987754464c5991645","last_reissued_at":"2026-07-05T08:31:45.395579Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:31:45.395579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.08444","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":"2026-07-05T08:31:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3nG6hYZuu1HLvmyhcblfRyJwxqSudBEJlWyrtJtB2h21pRlSwsVftrfDrt1BHHcu1C+2h3kNB2DcqZn4wwV+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T10:59:41.788615Z"},"content_sha256":"48f04fd2128550273cbe5952d4c76a4d2c47be07fad75efb229f1475cdc66fbe","schema_version":"1.0","event_id":"sha256:48f04fd2128550273cbe5952d4c76a4d2c47be07fad75efb229f1475cdc66fbe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:EFLMHXRRSN7MVLYXCPWJZPNGVY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hot Gas Outflow Properties of the Starburst Galaxy NGC 4945","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Adi Foord, Alberto D. Bolatto, Dustin D. Nguyen, Laura A. Lopez, Natalia Porraz Barrera, Sebastian Lopez, Smita Mathur, Todd A. Thompson","submitted_at":"2023-12-13T19:00:01Z","abstract_excerpt":"We analyze 330 ks of {\\it Chandra} X-ray imaging and spectra of the nearby, edge-on starburst and Seyfert Type 2 galaxy NGC 4945 to measure the hot gas properties along the galactic outflows. We extract and model spectra from 15 regions extending from $-$0.55 kpc to $+$0.85 kpc above and below the galactic disk to determine the best-fit parameters and metal abundances. We find that the hot gas temperatures and number densities peak in the central regions and decrease along the outflows. These profiles are inconsistent with a spherical, adiabatically-expanding wind model, suggesting the need to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.08444","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/2312.08444/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":"2026-07-05T08:31:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WyfDTilCjBwMk9+q/J94Q9BLLuJqTFghNci1v2XZNvV3YGqRTyj3LrIKvQ5PRIwRUG4nZdwEFh+BO/pSHfqqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T10:59:41.788996Z"},"content_sha256":"9e4eb4dcbf0dfb4ea62eba8d746cef5513a52e65694cdd56b9b17831018cb56a","schema_version":"1.0","event_id":"sha256:9e4eb4dcbf0dfb4ea62eba8d746cef5513a52e65694cdd56b9b17831018cb56a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY/bundle.json","state_url":"https://pith.science/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY/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":"2026-07-24T10:59:41Z","links":{"resolver":"https://pith.science/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY","bundle":"https://pith.science/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY/bundle.json","state":"https://pith.science/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EFLMHXRRSN7MVLYXCPWJZPNGVY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:EFLMHXRRSN7MVLYXCPWJZPNGVY","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":"aee51329c609dcc827f1972df56d63083de5668f5bbf4c0b2099a64762336ec1","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-13T19:00:01Z","title_canon_sha256":"ab44a87e2825c374c21f5ecd8f567a2bcd698967badf84ed9a996cc69974f04e"},"schema_version":"1.0","source":{"id":"2312.08444","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.08444","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"arxiv_version","alias_value":"2312.08444v2","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.08444","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"pith_short_12","alias_value":"EFLMHXRRSN7M","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"pith_short_16","alias_value":"EFLMHXRRSN7MVLYX","created_at":"2026-07-05T08:31:45Z"},{"alias_kind":"pith_short_8","alias_value":"EFLMHXRR","created_at":"2026-07-05T08:31:45Z"}],"graph_snapshots":[{"event_id":"sha256:9e4eb4dcbf0dfb4ea62eba8d746cef5513a52e65694cdd56b9b17831018cb56a","target":"graph","created_at":"2026-07-05T08:31:45Z","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/2312.08444/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze 330 ks of {\\it Chandra} X-ray imaging and spectra of the nearby, edge-on starburst and Seyfert Type 2 galaxy NGC 4945 to measure the hot gas properties along the galactic outflows. We extract and model spectra from 15 regions extending from $-$0.55 kpc to $+$0.85 kpc above and below the galactic disk to determine the best-fit parameters and metal abundances. We find that the hot gas temperatures and number densities peak in the central regions and decrease along the outflows. These profiles are inconsistent with a spherical, adiabatically-expanding wind model, suggesting the need to","authors_text":"Adi Foord, Alberto D. Bolatto, Dustin D. Nguyen, Laura A. Lopez, Natalia Porraz Barrera, Sebastian Lopez, Smita Mathur, Todd A. Thompson","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-13T19:00:01Z","title":"Hot Gas Outflow Properties of the Starburst Galaxy NGC 4945"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.08444","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":"sha256:48f04fd2128550273cbe5952d4c76a4d2c47be07fad75efb229f1475cdc66fbe","target":"record","created_at":"2026-07-05T08:31:45Z","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":"aee51329c609dcc827f1972df56d63083de5668f5bbf4c0b2099a64762336ec1","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-13T19:00:01Z","title_canon_sha256":"ab44a87e2825c374c21f5ecd8f567a2bcd698967badf84ed9a996cc69974f04e"},"schema_version":"1.0","source":{"id":"2312.08444","kind":"arxiv","version":2}},"canonical_sha256":"2156c3de31937ecaaf1713ec9cbda6ae0b245e4fabb0668987754464c5991645","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2156c3de31937ecaaf1713ec9cbda6ae0b245e4fabb0668987754464c5991645","first_computed_at":"2026-07-05T08:31:45.395579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:31:45.395579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kkYvC1JNJ0WKP/N2KfJyFELYUppIxtqOS3tDcJI65OUDTJWvSb1QRw5zlyd0m+7rQe57xNfyArQ4P9h81TLNCw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:31:45.396110Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.08444","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48f04fd2128550273cbe5952d4c76a4d2c47be07fad75efb229f1475cdc66fbe","sha256:9e4eb4dcbf0dfb4ea62eba8d746cef5513a52e65694cdd56b9b17831018cb56a"],"state_sha256":"eb24b06c1c2e3024ccf0eb2015338c5eb8c59e5c0bc8cd5a501331b16494aabe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D7ZDSWfTGal8KiSnQw9ypSFANl2cypz+uU5Y+1+XRnGRHyNEHoJ3BiXntjWV9ds9M7WNPunoSNzcwCpZ1rmVDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T10:59:41.791727Z","bundle_sha256":"60239cdf2b582d0b451bd43e02b53a4e8e8f895cc49435e4e21d00afe02c2253"}}