{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:FWXVUW6LJF3TZ6UUPNWQYYOTHW","short_pith_number":"pith:FWXVUW6L","canonical_record":{"source":{"id":"1409.7003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-09-24T16:00:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b1b92068c804aac2495eb3de15d168316a5a736c11dfe4e189fdd3e9502e778c","abstract_canon_sha256":"2baf826ffe2d79f66956e479ce73da0a7bc9c2dff100a20f73d9327e1929b662"},"schema_version":"1.0"},"canonical_sha256":"2daf5a5bcb49773cfa947b6d0c61d33d8ee999493a2a9b05588eea83b1f524bb","source":{"kind":"arxiv","id":"1409.7003","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.7003","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"arxiv_version","alias_value":"1409.7003v1","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.7003","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"pith_short_12","alias_value":"FWXVUW6LJF3T","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FWXVUW6LJF3TZ6UU","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FWXVUW6L","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:FWXVUW6LJF3TZ6UUPNWQYYOTHW","target":"record","payload":{"canonical_record":{"source":{"id":"1409.7003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-09-24T16:00:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b1b92068c804aac2495eb3de15d168316a5a736c11dfe4e189fdd3e9502e778c","abstract_canon_sha256":"2baf826ffe2d79f66956e479ce73da0a7bc9c2dff100a20f73d9327e1929b662"},"schema_version":"1.0"},"canonical_sha256":"2daf5a5bcb49773cfa947b6d0c61d33d8ee999493a2a9b05588eea83b1f524bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:57.202290Z","signature_b64":"gk02wM1GmHgjBFvRQfU2Fr4ggntRfwIbd6ky/9B1Ayiyx2tIDuko8iA2g64wo7VZIW6tUCN8F8kTuTnxdFo5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2daf5a5bcb49773cfa947b6d0c61d33d8ee999493a2a9b05588eea83b1f524bb","last_reissued_at":"2026-05-18T01:41:57.201819Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:57.201819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.7003","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":"2026-05-18T01:41:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ld9+xjuB4S+d5KJVMYDAtWxPHFhPEz6yVVQNQVFuHToDEBkYHIEG8UgTmClqcqxR+/jZHM5Fzd9GO2FpTjw/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:15:58.364000Z"},"content_sha256":"477f92dabb6868e047ca147ae8ef984c21dcbfa31b71c8cc821c4baef8fcd363","schema_version":"1.0","event_id":"sha256:477f92dabb6868e047ca147ae8ef984c21dcbfa31b71c8cc821c4baef8fcd363"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:FWXVUW6LJF3TZ6UUPNWQYYOTHW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling MHD accretion-ejection - episodic ejections of jets triggered by a mean-field disk dynamo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Christian Fendt, Deniss Stepanovs, Somayeh Sheikhnezami","submitted_at":"2014-09-24T16:00:03Z","abstract_excerpt":"We present MHD simulations exploring the launching, acceleration and collimation of jets and disk winds. The evolution of the disk structure is consistently taken into account. Extending our earlier studies, we now consider the self-generation of the magnetic field by an $\\alpha^2\\Omega$ mean-field dynamo. The disk magnetization remains on a rather low level, that helps to evolve the simulations for $T > 10,000$ dynamical time steps on a domain extending 1500 inner disk radii. We find a magnetic field of the inner disk similar to the commonly found open field structure, favoring magneto-centri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.7003","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":"2026-05-18T01:41:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BUsOkeIZKDa/xgDDj3WvMwmVV/5TfwD5sj6qDmF6/eYQyvDB1fdUMfEUmhP1MPNmP8mTwjk2wJsjpX/V51GDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:15:58.364641Z"},"content_sha256":"f5777457ac827200cdfbdfad19f5eda0e947917c1931aad9275ea20dc938bf09","schema_version":"1.0","event_id":"sha256:f5777457ac827200cdfbdfad19f5eda0e947917c1931aad9275ea20dc938bf09"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW/bundle.json","state_url":"https://pith.science/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW/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":"2026-05-26T19:15:58Z","links":{"resolver":"https://pith.science/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW","bundle":"https://pith.science/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW/bundle.json","state":"https://pith.science/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWXVUW6LJF3TZ6UUPNWQYYOTHW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FWXVUW6LJF3TZ6UUPNWQYYOTHW","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":"2baf826ffe2d79f66956e479ce73da0a7bc9c2dff100a20f73d9327e1929b662","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-09-24T16:00:03Z","title_canon_sha256":"b1b92068c804aac2495eb3de15d168316a5a736c11dfe4e189fdd3e9502e778c"},"schema_version":"1.0","source":{"id":"1409.7003","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.7003","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"arxiv_version","alias_value":"1409.7003v1","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.7003","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"pith_short_12","alias_value":"FWXVUW6LJF3T","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FWXVUW6LJF3TZ6UU","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FWXVUW6L","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:f5777457ac827200cdfbdfad19f5eda0e947917c1931aad9275ea20dc938bf09","target":"graph","created_at":"2026-05-18T01:41:57Z","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 present MHD simulations exploring the launching, acceleration and collimation of jets and disk winds. The evolution of the disk structure is consistently taken into account. Extending our earlier studies, we now consider the self-generation of the magnetic field by an $\\alpha^2\\Omega$ mean-field dynamo. The disk magnetization remains on a rather low level, that helps to evolve the simulations for $T > 10,000$ dynamical time steps on a domain extending 1500 inner disk radii. We find a magnetic field of the inner disk similar to the commonly found open field structure, favoring magneto-centri","authors_text":"Christian Fendt, Deniss Stepanovs, Somayeh Sheikhnezami","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-09-24T16:00:03Z","title":"Modelling MHD accretion-ejection - episodic ejections of jets triggered by a mean-field disk dynamo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.7003","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":"sha256:477f92dabb6868e047ca147ae8ef984c21dcbfa31b71c8cc821c4baef8fcd363","target":"record","created_at":"2026-05-18T01:41:57Z","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":"2baf826ffe2d79f66956e479ce73da0a7bc9c2dff100a20f73d9327e1929b662","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-09-24T16:00:03Z","title_canon_sha256":"b1b92068c804aac2495eb3de15d168316a5a736c11dfe4e189fdd3e9502e778c"},"schema_version":"1.0","source":{"id":"1409.7003","kind":"arxiv","version":1}},"canonical_sha256":"2daf5a5bcb49773cfa947b6d0c61d33d8ee999493a2a9b05588eea83b1f524bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2daf5a5bcb49773cfa947b6d0c61d33d8ee999493a2a9b05588eea83b1f524bb","first_computed_at":"2026-05-18T01:41:57.201819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:57.201819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gk02wM1GmHgjBFvRQfU2Fr4ggntRfwIbd6ky/9B1Ayiyx2tIDuko8iA2g64wo7VZIW6tUCN8F8kTuTnxdFo5Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:57.202290Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.7003","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:477f92dabb6868e047ca147ae8ef984c21dcbfa31b71c8cc821c4baef8fcd363","sha256:f5777457ac827200cdfbdfad19f5eda0e947917c1931aad9275ea20dc938bf09"],"state_sha256":"e6ac1efd2b8aa6d014ba6c96e4a133a15f714c9d1256af7bdaa959806c4d8f80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YTyEVk3H/N7LMRCSSgMIQXI0hcZy4pGisDqUKkt1AbAMImS3IaXqqK0B2n9o1SGv3Thi0YWSw5BFHTFihyHkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:15:58.367851Z","bundle_sha256":"b4efcd157c3ca4ad9bb93f5db27c9e45baaa69ccc253abdcfc27a46cc30411e6"}}