{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:55YQHK2VCAKALI32YTW7U7IFLE","short_pith_number":"pith:55YQHK2V","canonical_record":{"source":{"id":"1911.07870","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-18T19:00:18Z","cross_cats_sorted":[],"title_canon_sha256":"5bdefbc94395fa3fe1eaffa94571f86dfeb9e6897916dec5b2004f13849b2324","abstract_canon_sha256":"1b326d8210c925cab3537bf0cad7a46680047c7c542097f6308610aafab10ed8"},"schema_version":"1.0"},"canonical_sha256":"ef7103ab55101405a37ac4edfa7d05590291a0138bb0ec6ece8a9f42daa429fc","source":{"kind":"arxiv","id":"1911.07870","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.07870","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"arxiv_version","alias_value":"1911.07870v1","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.07870","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"pith_short_12","alias_value":"55YQHK2VCAKA","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"55YQHK2VCAKALI32","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"55YQHK2V","created_at":"2026-07-05T00:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:55YQHK2VCAKALI32YTW7U7IFLE","target":"record","payload":{"canonical_record":{"source":{"id":"1911.07870","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-18T19:00:18Z","cross_cats_sorted":[],"title_canon_sha256":"5bdefbc94395fa3fe1eaffa94571f86dfeb9e6897916dec5b2004f13849b2324","abstract_canon_sha256":"1b326d8210c925cab3537bf0cad7a46680047c7c542097f6308610aafab10ed8"},"schema_version":"1.0"},"canonical_sha256":"ef7103ab55101405a37ac4edfa7d05590291a0138bb0ec6ece8a9f42daa429fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:30:36.662286Z","signature_b64":"+W3oZQCRbrkoZQvrU8lnxLqNBVJQQmSTbb5h+YUJv0lgVzM7SrTAETVxRSYJSzV5h1htYkKKxEt6JlGPMgbrDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef7103ab55101405a37ac4edfa7d05590291a0138bb0ec6ece8a9f42daa429fc","last_reissued_at":"2026-07-05T00:30:36.661943Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:30:36.661943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.07870","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":"2026-07-05T00:30:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xJ8lcMYs3g8Os04iojKSnQGcNK49APcd9jMP6CnadBI3H9tL27cXvmhvA9dAeO2jYT9neGdaCZRwnT0vm/WiAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T06:40:49.920656Z"},"content_sha256":"1d948cc713455d409038c169ad2c4600c684509daa894d1932b3342a92cb846d","schema_version":"1.0","event_id":"sha256:1d948cc713455d409038c169ad2c4600c684509daa894d1932b3342a92cb846d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:55YQHK2VCAKALI32YTW7U7IFLE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radio halos of star forming galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aditi Vijayan, Biman B. Nath, Prateek Sharma, Yuri Shchekinov","submitted_at":"2019-11-18T19:00:18Z","abstract_excerpt":"We study the synchrotron radio emission from extra-planar regions of star forming galaxies. We use ideal magneto-hydrodynamical (MHD) simulations of a rotating Milky Way-type disk galaxy with distributed star formation sites for three star formation rates (SFRs) (0.3, 3, 30 M$_{\\odot}$ yr$^{-1}$). From our simulations, we see emergence of galactic-scale magnetised outflows, carrying gas from the disk. We compare the morphology of the outflowing gas with hydrodynamic (HD) simulations. We look at the spatial distribution of magnetic field in the outflows. Assuming that a certain fraction of gas "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.07870","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/1911.07870/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":"2026-07-05T00:30:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ScBceRodku4LCo/fwvav7C7PkO3bzaZc6Ze6SgzuDLd+tQVZ1d+akSZhE68vhUE6+d+6GHarjW3BeurBhcgXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T06:40:49.921600Z"},"content_sha256":"f5e83381ff7cb4b08d6bddbde93aae9c3a6fc052ae77ebcf2f32d791f1a525fc","schema_version":"1.0","event_id":"sha256:f5e83381ff7cb4b08d6bddbde93aae9c3a6fc052ae77ebcf2f32d791f1a525fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/55YQHK2VCAKALI32YTW7U7IFLE/bundle.json","state_url":"https://pith.science/pith/55YQHK2VCAKALI32YTW7U7IFLE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/55YQHK2VCAKALI32YTW7U7IFLE/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":"2026-08-12T06:40:49Z","links":{"resolver":"https://pith.science/pith/55YQHK2VCAKALI32YTW7U7IFLE","bundle":"https://pith.science/pith/55YQHK2VCAKALI32YTW7U7IFLE/bundle.json","state":"https://pith.science/pith/55YQHK2VCAKALI32YTW7U7IFLE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/55YQHK2VCAKALI32YTW7U7IFLE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:55YQHK2VCAKALI32YTW7U7IFLE","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":"1b326d8210c925cab3537bf0cad7a46680047c7c542097f6308610aafab10ed8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-18T19:00:18Z","title_canon_sha256":"5bdefbc94395fa3fe1eaffa94571f86dfeb9e6897916dec5b2004f13849b2324"},"schema_version":"1.0","source":{"id":"1911.07870","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.07870","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"arxiv_version","alias_value":"1911.07870v1","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.07870","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"pith_short_12","alias_value":"55YQHK2VCAKA","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"55YQHK2VCAKALI32","created_at":"2026-07-05T00:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"55YQHK2V","created_at":"2026-07-05T00:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:f5e83381ff7cb4b08d6bddbde93aae9c3a6fc052ae77ebcf2f32d791f1a525fc","target":"graph","created_at":"2026-07-05T00:30:36Z","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/1911.07870/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the synchrotron radio emission from extra-planar regions of star forming galaxies. We use ideal magneto-hydrodynamical (MHD) simulations of a rotating Milky Way-type disk galaxy with distributed star formation sites for three star formation rates (SFRs) (0.3, 3, 30 M$_{\\odot}$ yr$^{-1}$). From our simulations, we see emergence of galactic-scale magnetised outflows, carrying gas from the disk. We compare the morphology of the outflowing gas with hydrodynamic (HD) simulations. We look at the spatial distribution of magnetic field in the outflows. Assuming that a certain fraction of gas ","authors_text":"Aditi Vijayan, Biman B. Nath, Prateek Sharma, Yuri Shchekinov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-18T19:00:18Z","title":"Radio halos of star forming galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.07870","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":"sha256:1d948cc713455d409038c169ad2c4600c684509daa894d1932b3342a92cb846d","target":"record","created_at":"2026-07-05T00:30:36Z","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":"1b326d8210c925cab3537bf0cad7a46680047c7c542097f6308610aafab10ed8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-18T19:00:18Z","title_canon_sha256":"5bdefbc94395fa3fe1eaffa94571f86dfeb9e6897916dec5b2004f13849b2324"},"schema_version":"1.0","source":{"id":"1911.07870","kind":"arxiv","version":1}},"canonical_sha256":"ef7103ab55101405a37ac4edfa7d05590291a0138bb0ec6ece8a9f42daa429fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef7103ab55101405a37ac4edfa7d05590291a0138bb0ec6ece8a9f42daa429fc","first_computed_at":"2026-07-05T00:30:36.661943Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:30:36.661943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+W3oZQCRbrkoZQvrU8lnxLqNBVJQQmSTbb5h+YUJv0lgVzM7SrTAETVxRSYJSzV5h1htYkKKxEt6JlGPMgbrDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:30:36.662286Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.07870","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d948cc713455d409038c169ad2c4600c684509daa894d1932b3342a92cb846d","sha256:f5e83381ff7cb4b08d6bddbde93aae9c3a6fc052ae77ebcf2f32d791f1a525fc"],"state_sha256":"5e2c9abb8705a60429c8dc545c4cc3b10c2574a2f9178a8b0b3b96896edebd4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bWLZ9VHtCALrMrvbSa2+frZLGR8Jr067y0F64suvlrPoTm2ToIEWseU8TO1ZfJr+3h27Yf6TfkQZ4Qwfg/+zBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T06:40:49.931151Z","bundle_sha256":"8c24b0e687d27a6458e5b2a2f31680772135099049233c7b465e24e406e5e46b"}}