{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4J6Z6CZB35H6RD7NHBCXSE5FO2","short_pith_number":"pith:4J6Z6CZB","canonical_record":{"source":{"id":"1302.6725","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-27T11:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"b3632842fba436b7fc16962fa704b7699463293653ad9c263b5194520f12507b","abstract_canon_sha256":"70342d74d35ff8e573d0513eedcd50b2742ba0017321e4dfffad5aba5ced4cfa"},"schema_version":"1.0"},"canonical_sha256":"e27d9f0b21df4fe88fed38457913a5768ba9e40c0d780d63f7885fe8c0573838","source":{"kind":"arxiv","id":"1302.6725","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6725","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6725v1","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6725","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"pith_short_12","alias_value":"4J6Z6CZB35H6","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4J6Z6CZB35H6RD7N","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4J6Z6CZB","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4J6Z6CZB35H6RD7NHBCXSE5FO2","target":"record","payload":{"canonical_record":{"source":{"id":"1302.6725","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-27T11:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"b3632842fba436b7fc16962fa704b7699463293653ad9c263b5194520f12507b","abstract_canon_sha256":"70342d74d35ff8e573d0513eedcd50b2742ba0017321e4dfffad5aba5ced4cfa"},"schema_version":"1.0"},"canonical_sha256":"e27d9f0b21df4fe88fed38457913a5768ba9e40c0d780d63f7885fe8c0573838","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:19.007159Z","signature_b64":"h5KhkwZ95QlcozL6kQFrpmHyb/+rZofj/crFRxDiEhkZLH388fUdnMK8LlQ3zHHyEQneoi9j4R9vml55gErpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e27d9f0b21df4fe88fed38457913a5768ba9e40c0d780d63f7885fe8c0573838","last_reissued_at":"2026-05-18T03:32:19.006625Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:19.006625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.6725","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":"2026-05-18T03:32:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UErc8FdDahvL3d6HKFqxRYmypmUoPQ/hsf5h9TuOEGqb9loFE2/zB8ztxsBhU4A63iaU6AOX8M8iwp9mV1X2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:36:18.011988Z"},"content_sha256":"afca53dfeb2cd369711731030058216338bcf6fcdd31df742e25913f967bfba8","schema_version":"1.0","event_id":"sha256:afca53dfeb2cd369711731030058216338bcf6fcdd31df742e25913f967bfba8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4J6Z6CZB35H6RD7NHBCXSE5FO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disk dynamics and the X-ray emission of S0 and flat early-type galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrea Negri (1), Astronomy, Italy), Luca Ciotti (1) ((1) Dept. of Physics, Silvia Pellegrini (1), University of Bologna","submitted_at":"2013-02-27T11:17:00Z","abstract_excerpt":"With 2D hydrodynamical simulations, we study the evolution of the hot gas flows in early-type galaxies, focussing on the effects of galaxy rotation on the thermal and dynamical status of the ISM. The galaxy is modelled as a two-component axisymmetric system (stars and dark matter), with a variable amount of azimuthal velocity dispersion and rotational support; the presence of a counter rotating stellar disk is also considered. It is found that the ISM of the rotationally supported (isotropic) model is more prone to thermal instabilities than the fully velocity dispersion counterpart, while its"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6725","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":"2026-05-18T03:32:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AkOPmO3aT2EdwZOjM64uRDr/98Hg2mI+GOrCgoMwdgBsqLU5zUHluaKV5jqX3ubVDZe5AfJ8th7N0YYhALg+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:36:18.012591Z"},"content_sha256":"f4035ef56920aa4c1761832e9458479e35d2cf206f77cfc24fe6aab8e5620c85","schema_version":"1.0","event_id":"sha256:f4035ef56920aa4c1761832e9458479e35d2cf206f77cfc24fe6aab8e5620c85"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2/bundle.json","state_url":"https://pith.science/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2/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":"2026-06-30T04:36:18Z","links":{"resolver":"https://pith.science/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2","bundle":"https://pith.science/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2/bundle.json","state":"https://pith.science/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4J6Z6CZB35H6RD7NHBCXSE5FO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4J6Z6CZB35H6RD7NHBCXSE5FO2","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":"70342d74d35ff8e573d0513eedcd50b2742ba0017321e4dfffad5aba5ced4cfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-27T11:17:00Z","title_canon_sha256":"b3632842fba436b7fc16962fa704b7699463293653ad9c263b5194520f12507b"},"schema_version":"1.0","source":{"id":"1302.6725","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6725","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6725v1","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6725","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"pith_short_12","alias_value":"4J6Z6CZB35H6","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4J6Z6CZB35H6RD7N","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4J6Z6CZB","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:f4035ef56920aa4c1761832e9458479e35d2cf206f77cfc24fe6aab8e5620c85","target":"graph","created_at":"2026-05-18T03:32:19Z","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":"With 2D hydrodynamical simulations, we study the evolution of the hot gas flows in early-type galaxies, focussing on the effects of galaxy rotation on the thermal and dynamical status of the ISM. The galaxy is modelled as a two-component axisymmetric system (stars and dark matter), with a variable amount of azimuthal velocity dispersion and rotational support; the presence of a counter rotating stellar disk is also considered. It is found that the ISM of the rotationally supported (isotropic) model is more prone to thermal instabilities than the fully velocity dispersion counterpart, while its","authors_text":"Andrea Negri (1), Astronomy, Italy), Luca Ciotti (1) ((1) Dept. of Physics, Silvia Pellegrini (1), University of Bologna","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-27T11:17:00Z","title":"Disk dynamics and the X-ray emission of S0 and flat early-type galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6725","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:afca53dfeb2cd369711731030058216338bcf6fcdd31df742e25913f967bfba8","target":"record","created_at":"2026-05-18T03:32:19Z","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":"70342d74d35ff8e573d0513eedcd50b2742ba0017321e4dfffad5aba5ced4cfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-27T11:17:00Z","title_canon_sha256":"b3632842fba436b7fc16962fa704b7699463293653ad9c263b5194520f12507b"},"schema_version":"1.0","source":{"id":"1302.6725","kind":"arxiv","version":1}},"canonical_sha256":"e27d9f0b21df4fe88fed38457913a5768ba9e40c0d780d63f7885fe8c0573838","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e27d9f0b21df4fe88fed38457913a5768ba9e40c0d780d63f7885fe8c0573838","first_computed_at":"2026-05-18T03:32:19.006625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:19.006625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h5KhkwZ95QlcozL6kQFrpmHyb/+rZofj/crFRxDiEhkZLH388fUdnMK8LlQ3zHHyEQneoi9j4R9vml55gErpDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:19.007159Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6725","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:afca53dfeb2cd369711731030058216338bcf6fcdd31df742e25913f967bfba8","sha256:f4035ef56920aa4c1761832e9458479e35d2cf206f77cfc24fe6aab8e5620c85"],"state_sha256":"25099032d80e02fe2487c3db6c8a8d7b0088ef8db7e5f5ac5a8395432234c29f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9uxr8IdHSFtBb3tBrJMNHdnW5RDy4B/WofbmPXTtGf9r7vlDdqUQF57ZVWuqCEeKotfZ9AE4IPrXYM2mNC5ADQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T04:36:18.015295Z","bundle_sha256":"71bff16057722bbb065be59026c2d3d7d3f184951895f30e6d95770e1e1ee410"}}