{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:FDKZBKURU4WWZZAC6MI3AUNPRL","short_pith_number":"pith:FDKZBKUR","canonical_record":{"source":{"id":"1212.6721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-30T13:49:16Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"dd5c363d3ef150dd0df8cea4cf8f2a8e26deff8333e067473450d9144f25b042","abstract_canon_sha256":"5cc3b809ec94d8af454aab489546d44beac8ce846b766643380d5d66a15b7f1e"},"schema_version":"1.0"},"canonical_sha256":"28d590aa91a72d6ce402f311b051af8af8e5d5e8c441297f5dd862e530eedf50","source":{"kind":"arxiv","id":"1212.6721","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6721","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6721v1","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6721","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"FDKZBKURU4WW","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FDKZBKURU4WWZZAC","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FDKZBKUR","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:FDKZBKURU4WWZZAC6MI3AUNPRL","target":"record","payload":{"canonical_record":{"source":{"id":"1212.6721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-30T13:49:16Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"dd5c363d3ef150dd0df8cea4cf8f2a8e26deff8333e067473450d9144f25b042","abstract_canon_sha256":"5cc3b809ec94d8af454aab489546d44beac8ce846b766643380d5d66a15b7f1e"},"schema_version":"1.0"},"canonical_sha256":"28d590aa91a72d6ce402f311b051af8af8e5d5e8c441297f5dd862e530eedf50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:42.193190Z","signature_b64":"wl1+/arucIRW+RspXon97HeEpshqU2u+uwMo3EGFmAMJrgvMJ054cXAzDzxZImMxRwKXBPAXPsaECq0afWLaDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28d590aa91a72d6ce402f311b051af8af8e5d5e8c441297f5dd862e530eedf50","last_reissued_at":"2026-05-18T00:52:42.192581Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:42.192581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.6721","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":"2026-05-18T00:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KoUtBVVLbBUU17clHGfnbfVvSbVb+2BAv+t5eKaQwYt5vu0lhhXRCu4lT0X1sipoVE2rO4/XedAN5KNT9S34Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:55:43.164823Z"},"content_sha256":"4887e13e6d845d334349bfd02f6ac6dfd79e05d9d7cc210c15d265d149edbfe9","schema_version":"1.0","event_id":"sha256:4887e13e6d845d334349bfd02f6ac6dfd79e05d9d7cc210c15d265d149edbfe9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:FDKZBKURU4WWZZAC6MI3AUNPRL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The initial conditions and evolution of isolated galaxy models: effects of the hot gas halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Changbom Park, Jeong-Sun Hwang, Jun-Hwan Choi","submitted_at":"2012-12-30T13:49:16Z","abstract_excerpt":"We construct several Milky Way-like galaxy models containing a gas halo (as well as gaseous and stellar disks, a dark matter halo, and a stellar bulge) following either an isothermal or an NFW density profile with varying mass and initial spin. In addition, galactic winds associated with star formation are tested in some of the simulations. We evolve these isolated galaxy models using the GADGET-3 $N$-body/hydrodynamic simulation code, paying particular attention to the effects of the gas halo on the evolution. We find that the evolution of the models is strongly affected by the adopted gas ha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6721","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":"2026-05-18T00:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LnBkaDWsaWgklQ8Ndd2lvdBCjG/bH6Poxg+m2QhllpSyIPlMjP/0aoMExHm03QnmbsoPQuAcI/S93Xieg1vdCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:55:43.165165Z"},"content_sha256":"6591b285344ceee36111c20dee2ab5325b4240ab7797ee860a62cb379168c439","schema_version":"1.0","event_id":"sha256:6591b285344ceee36111c20dee2ab5325b4240ab7797ee860a62cb379168c439"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FDKZBKURU4WWZZAC6MI3AUNPRL/bundle.json","state_url":"https://pith.science/pith/FDKZBKURU4WWZZAC6MI3AUNPRL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FDKZBKURU4WWZZAC6MI3AUNPRL/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":"2026-06-02T21:55:43Z","links":{"resolver":"https://pith.science/pith/FDKZBKURU4WWZZAC6MI3AUNPRL","bundle":"https://pith.science/pith/FDKZBKURU4WWZZAC6MI3AUNPRL/bundle.json","state":"https://pith.science/pith/FDKZBKURU4WWZZAC6MI3AUNPRL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FDKZBKURU4WWZZAC6MI3AUNPRL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:FDKZBKURU4WWZZAC6MI3AUNPRL","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":"5cc3b809ec94d8af454aab489546d44beac8ce846b766643380d5d66a15b7f1e","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-30T13:49:16Z","title_canon_sha256":"dd5c363d3ef150dd0df8cea4cf8f2a8e26deff8333e067473450d9144f25b042"},"schema_version":"1.0","source":{"id":"1212.6721","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6721","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6721v1","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6721","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"FDKZBKURU4WW","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FDKZBKURU4WWZZAC","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FDKZBKUR","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:6591b285344ceee36111c20dee2ab5325b4240ab7797ee860a62cb379168c439","target":"graph","created_at":"2026-05-18T00:52:42Z","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":"We construct several Milky Way-like galaxy models containing a gas halo (as well as gaseous and stellar disks, a dark matter halo, and a stellar bulge) following either an isothermal or an NFW density profile with varying mass and initial spin. In addition, galactic winds associated with star formation are tested in some of the simulations. We evolve these isolated galaxy models using the GADGET-3 $N$-body/hydrodynamic simulation code, paying particular attention to the effects of the gas halo on the evolution. We find that the evolution of the models is strongly affected by the adopted gas ha","authors_text":"Changbom Park, Jeong-Sun Hwang, Jun-Hwan Choi","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-30T13:49:16Z","title":"The initial conditions and evolution of isolated galaxy models: effects of the hot gas halo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6721","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":"sha256:4887e13e6d845d334349bfd02f6ac6dfd79e05d9d7cc210c15d265d149edbfe9","target":"record","created_at":"2026-05-18T00:52:42Z","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":"5cc3b809ec94d8af454aab489546d44beac8ce846b766643380d5d66a15b7f1e","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-30T13:49:16Z","title_canon_sha256":"dd5c363d3ef150dd0df8cea4cf8f2a8e26deff8333e067473450d9144f25b042"},"schema_version":"1.0","source":{"id":"1212.6721","kind":"arxiv","version":1}},"canonical_sha256":"28d590aa91a72d6ce402f311b051af8af8e5d5e8c441297f5dd862e530eedf50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28d590aa91a72d6ce402f311b051af8af8e5d5e8c441297f5dd862e530eedf50","first_computed_at":"2026-05-18T00:52:42.192581Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:42.192581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wl1+/arucIRW+RspXon97HeEpshqU2u+uwMo3EGFmAMJrgvMJ054cXAzDzxZImMxRwKXBPAXPsaECq0afWLaDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:42.193190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.6721","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4887e13e6d845d334349bfd02f6ac6dfd79e05d9d7cc210c15d265d149edbfe9","sha256:6591b285344ceee36111c20dee2ab5325b4240ab7797ee860a62cb379168c439"],"state_sha256":"64b44b6f489e5b26591ea82e788c7246b2be4a6e9e07f0e8f5c4faacc81b4ef2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9/OUGa8jfu9mXRmbfhFPiiEaClnQrHi+hSvYLnhRDYBqERbeFxuaNhrkJrWqHtbt2M5E5dr6Kg0mucyrg0nSCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:55:43.167109Z","bundle_sha256":"b8c30198c08c2b5e61b3e951c7c93cd9fc2932315f3c92bd60cbfd6ac7119654"}}