{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7EPIKYI7T4Z3ECDWXHJZMS6JDE","short_pith_number":"pith:7EPIKYI7","canonical_record":{"source":{"id":"1311.6159","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-24T19:45:03Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5b91ee3985d4eb64f2039454639deb703472302194658530d82432ff6e077577","abstract_canon_sha256":"ae509d65225b91f5255b419b34df1fd3b388df1e1753970727d61bee5fa6ccb8"},"schema_version":"1.0"},"canonical_sha256":"f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6","source":{"kind":"arxiv","id":"1311.6159","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6159","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6159v1","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6159","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"pith_short_12","alias_value":"7EPIKYI7T4Z3","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7EPIKYI7T4Z3ECDW","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7EPIKYI7","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7EPIKYI7T4Z3ECDWXHJZMS6JDE","target":"record","payload":{"canonical_record":{"source":{"id":"1311.6159","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-24T19:45:03Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5b91ee3985d4eb64f2039454639deb703472302194658530d82432ff6e077577","abstract_canon_sha256":"ae509d65225b91f5255b419b34df1fd3b388df1e1753970727d61bee5fa6ccb8"},"schema_version":"1.0"},"canonical_sha256":"f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:06.535413Z","signature_b64":"hfijZLxY0cc6uKVx3h6kj6d3QlnhUoFgMEyLXPm5dZPGP6zyLLwlHEvAVqC8Xbv8Zmrw89KDRbDYp25WiCe8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6","last_reissued_at":"2026-05-18T01:46:06.534940Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:06.534940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.6159","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":"2026-05-18T01:46:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nl0RAMpK06wq1Xd8SJGjncR942A3rZ0zSuSqdsEcksJxkpWmGGYOgSeKxYPfbWjLRi5UfP/jfe44cOeLjaUtCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:22:22.020511Z"},"content_sha256":"e14ea154e3a7622ba2adef6ec95eae993c55f878c90f419a66b4b60b985f341c","schema_version":"1.0","event_id":"sha256:e14ea154e3a7622ba2adef6ec95eae993c55f878c90f419a66b4b60b985f341c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7EPIKYI7T4Z3ECDWXHJZMS6JDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermi bubble simulations: black hole feedback in the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"E. Zweibel, H.-Y.K. Yang, M. Ruszkowski","submitted_at":"2013-11-24T19:45:03Z","abstract_excerpt":"The $Fermi$ gamma-ray telescope discovered a pair of bubbles at the Galactic center. These structures are spatially-correlated with the microwave emission detected by the WMAP and Planck satellites. These bubbles were likely inflated by a jet launched from the vicinity of a supermassive black hole in the Galactic center. Using MHD simulations, which self-consistently include interactions between cosmic rays and magnetic fields, we build models of the supersonic jet propagation, cosmic ray transport, and the magnetic field amplification within the $Fermi$ bubbles. Our key findings are that: (1)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6159","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":"2026-05-18T01:46:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TKFnDeUVpz+TKUzRNrRipUXh87h1FiMV/SMJNvScljbwm/8Hx3EyBeSMvr6OU/HgSnbudckVPvTvLMpk3YTVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:22:22.021254Z"},"content_sha256":"80015f37aa81c9eff84a317f329d65f84526c0fc49946d18bfebfd25e0389dba","schema_version":"1.0","event_id":"sha256:80015f37aa81c9eff84a317f329d65f84526c0fc49946d18bfebfd25e0389dba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE/bundle.json","state_url":"https://pith.science/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE/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":"2026-06-09T08:22:22Z","links":{"resolver":"https://pith.science/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE","bundle":"https://pith.science/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE/bundle.json","state":"https://pith.science/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EPIKYI7T4Z3ECDWXHJZMS6JDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7EPIKYI7T4Z3ECDWXHJZMS6JDE","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":"ae509d65225b91f5255b419b34df1fd3b388df1e1753970727d61bee5fa6ccb8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-24T19:45:03Z","title_canon_sha256":"5b91ee3985d4eb64f2039454639deb703472302194658530d82432ff6e077577"},"schema_version":"1.0","source":{"id":"1311.6159","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6159","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6159v1","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6159","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"pith_short_12","alias_value":"7EPIKYI7T4Z3","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7EPIKYI7T4Z3ECDW","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7EPIKYI7","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:80015f37aa81c9eff84a317f329d65f84526c0fc49946d18bfebfd25e0389dba","target":"graph","created_at":"2026-05-18T01:46:06Z","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":"The $Fermi$ gamma-ray telescope discovered a pair of bubbles at the Galactic center. These structures are spatially-correlated with the microwave emission detected by the WMAP and Planck satellites. These bubbles were likely inflated by a jet launched from the vicinity of a supermassive black hole in the Galactic center. Using MHD simulations, which self-consistently include interactions between cosmic rays and magnetic fields, we build models of the supersonic jet propagation, cosmic ray transport, and the magnetic field amplification within the $Fermi$ bubbles. Our key findings are that: (1)","authors_text":"E. Zweibel, H.-Y.K. Yang, M. Ruszkowski","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-24T19:45:03Z","title":"Fermi bubble simulations: black hole feedback in the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6159","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:e14ea154e3a7622ba2adef6ec95eae993c55f878c90f419a66b4b60b985f341c","target":"record","created_at":"2026-05-18T01:46:06Z","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":"ae509d65225b91f5255b419b34df1fd3b388df1e1753970727d61bee5fa6ccb8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-24T19:45:03Z","title_canon_sha256":"5b91ee3985d4eb64f2039454639deb703472302194658530d82432ff6e077577"},"schema_version":"1.0","source":{"id":"1311.6159","kind":"arxiv","version":1}},"canonical_sha256":"f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6","first_computed_at":"2026-05-18T01:46:06.534940Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:06.534940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hfijZLxY0cc6uKVx3h6kj6d3QlnhUoFgMEyLXPm5dZPGP6zyLLwlHEvAVqC8Xbv8Zmrw89KDRbDYp25WiCe8DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:06.535413Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.6159","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e14ea154e3a7622ba2adef6ec95eae993c55f878c90f419a66b4b60b985f341c","sha256:80015f37aa81c9eff84a317f329d65f84526c0fc49946d18bfebfd25e0389dba"],"state_sha256":"44564a0994ca01a2001260bbbbe588c554bdeaf540a1223f5fddc69ddc2e5234"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kqxTz93KYMN1/MAid7zQGUuT87O89T1tJVxhNhzOYSjVpuF3+Uz4hsJJKkPyowNoBnGFRSd5+gQiDHPAd26ACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:22:22.025589Z","bundle_sha256":"2ad81a469cbed1193f39fca87795727a05cbfd2d3b5e07d12fd030b34c0321d1"}}