{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4RSM5JP5JA6HRDWWUTJLN7XRJH","short_pith_number":"pith:4RSM5JP5","canonical_record":{"source":{"id":"1805.02674","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-07T18:01:56Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2bd7222b51e365dd3efdf2b4f0d1902b3d74c96431b60b0a7f3f546227ee6635","abstract_canon_sha256":"ce5a5fd2b0c3ab7b745c0959a514d42e719f391596d59eed10f40556534e6528"},"schema_version":"1.0"},"canonical_sha256":"e464cea5fd483c788ed6a4d2b6fef149c69bab2e1f3d2f6959d2ccc53443717f","source":{"kind":"arxiv","id":"1805.02674","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02674","created_at":"2026-05-18T00:05:31Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02674v2","created_at":"2026-05-18T00:05:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02674","created_at":"2026-05-18T00:05:31Z"},{"alias_kind":"pith_short_12","alias_value":"4RSM5JP5JA6H","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4RSM5JP5JA6HRDWW","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4RSM5JP5","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4RSM5JP5JA6HRDWWUTJLN7XRJH","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02674","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-07T18:01:56Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2bd7222b51e365dd3efdf2b4f0d1902b3d74c96431b60b0a7f3f546227ee6635","abstract_canon_sha256":"ce5a5fd2b0c3ab7b745c0959a514d42e719f391596d59eed10f40556534e6528"},"schema_version":"1.0"},"canonical_sha256":"e464cea5fd483c788ed6a4d2b6fef149c69bab2e1f3d2f6959d2ccc53443717f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:31.255113Z","signature_b64":"myNIVNOX+utud3nkIeR0KUqy/csr/nifwBW2nK9qtIjrQd8kHBsQzD2zIILzQxcos54vQUCmYpB46HA7bE1wBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e464cea5fd483c788ed6a4d2b6fef149c69bab2e1f3d2f6959d2ccc53443717f","last_reissued_at":"2026-05-18T00:05:31.254631Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:31.254631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02674","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:05:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dQvZUHbkl4tm8YOzCnOE990mbwx9Dv6n9FPjIm76eYJOn2kXIPx6pRkHQ7bMq0sSbXaQpDMSjLrtK5zGePWaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:28:12.348689Z"},"content_sha256":"dd6799f6202b3ee0e7ccd032d0831269091e2a7ba3e4107d450c28f218ab9b68","schema_version":"1.0","event_id":"sha256:dd6799f6202b3ee0e7ccd032d0831269091e2a7ba3e4107d450c28f218ab9b68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4RSM5JP5JA6HRDWWUTJLN7XRJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic fields in star forming systems (I): Idealized synthetic signatures of dust polarization and Zeeman splitting in filaments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Amelia M. Stutz, Dominik R.G. Schleicher, Eric W. Pellegrini, Ralf Klessen, Robert Brauer, Stefan Reissl","submitted_at":"2018-05-07T18:01:56Z","abstract_excerpt":"We use the POLARIS radiative transport code to generate predictions of the two main observables directly sensitive to the magnetic field morphology and strength in filaments: dust polarization and gas Zeeman line splitting. We simulate generic gas filaments with power-law density profiles assuming two density-field strength dependencies, six different filament inclinations, and nine distinct magnetic field morphologies, including helical, toroidal, and warped magnetic field geometries. We present idealized spatially resolved dust polarization and Zeeman-derived field strengths and directions m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02674","kind":"arxiv","version":2},"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":"2026-05-18T00:05:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y+Vgy3mSdxv3Jyal5PnAU5OKc0yZZDdf3pFc7qcQ/mhOSLC5DZy1ZILHkWltQEQCjD9qlFRUFcpQDeZqBfqxDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:28:12.349118Z"},"content_sha256":"5a4eba7434e810d6a8896f13ae9816ff06caf89b348560e9b3aa9af9ec872eb3","schema_version":"1.0","event_id":"sha256:5a4eba7434e810d6a8896f13ae9816ff06caf89b348560e9b3aa9af9ec872eb3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH/bundle.json","state_url":"https://pith.science/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH/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":"2026-06-04T04:28:12Z","links":{"resolver":"https://pith.science/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH","bundle":"https://pith.science/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH/bundle.json","state":"https://pith.science/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4RSM5JP5JA6HRDWWUTJLN7XRJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4RSM5JP5JA6HRDWWUTJLN7XRJH","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":"ce5a5fd2b0c3ab7b745c0959a514d42e719f391596d59eed10f40556534e6528","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-07T18:01:56Z","title_canon_sha256":"2bd7222b51e365dd3efdf2b4f0d1902b3d74c96431b60b0a7f3f546227ee6635"},"schema_version":"1.0","source":{"id":"1805.02674","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02674","created_at":"2026-05-18T00:05:31Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02674v2","created_at":"2026-05-18T00:05:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02674","created_at":"2026-05-18T00:05:31Z"},{"alias_kind":"pith_short_12","alias_value":"4RSM5JP5JA6H","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4RSM5JP5JA6HRDWW","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4RSM5JP5","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:5a4eba7434e810d6a8896f13ae9816ff06caf89b348560e9b3aa9af9ec872eb3","target":"graph","created_at":"2026-05-18T00:05:31Z","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 use the POLARIS radiative transport code to generate predictions of the two main observables directly sensitive to the magnetic field morphology and strength in filaments: dust polarization and gas Zeeman line splitting. We simulate generic gas filaments with power-law density profiles assuming two density-field strength dependencies, six different filament inclinations, and nine distinct magnetic field morphologies, including helical, toroidal, and warped magnetic field geometries. We present idealized spatially resolved dust polarization and Zeeman-derived field strengths and directions m","authors_text":"Amelia M. Stutz, Dominik R.G. Schleicher, Eric W. Pellegrini, Ralf Klessen, Robert Brauer, Stefan Reissl","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-07T18:01:56Z","title":"Magnetic fields in star forming systems (I): Idealized synthetic signatures of dust polarization and Zeeman splitting in filaments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02674","kind":"arxiv","version":2},"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:dd6799f6202b3ee0e7ccd032d0831269091e2a7ba3e4107d450c28f218ab9b68","target":"record","created_at":"2026-05-18T00:05:31Z","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":"ce5a5fd2b0c3ab7b745c0959a514d42e719f391596d59eed10f40556534e6528","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-07T18:01:56Z","title_canon_sha256":"2bd7222b51e365dd3efdf2b4f0d1902b3d74c96431b60b0a7f3f546227ee6635"},"schema_version":"1.0","source":{"id":"1805.02674","kind":"arxiv","version":2}},"canonical_sha256":"e464cea5fd483c788ed6a4d2b6fef149c69bab2e1f3d2f6959d2ccc53443717f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e464cea5fd483c788ed6a4d2b6fef149c69bab2e1f3d2f6959d2ccc53443717f","first_computed_at":"2026-05-18T00:05:31.254631Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:31.254631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"myNIVNOX+utud3nkIeR0KUqy/csr/nifwBW2nK9qtIjrQd8kHBsQzD2zIILzQxcos54vQUCmYpB46HA7bE1wBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:31.255113Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02674","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd6799f6202b3ee0e7ccd032d0831269091e2a7ba3e4107d450c28f218ab9b68","sha256:5a4eba7434e810d6a8896f13ae9816ff06caf89b348560e9b3aa9af9ec872eb3"],"state_sha256":"2d240a93b10a885a20f8564a6c4ae5f2d9fadc7c79ee79241f9d6a6d4cf346d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tN9BQjUOnzTD4FYzS//WsnjUMeAfsEF+gRJ9ddViy9Gnd/VR7zwM1Uf7Is6gEoljxAHznCq3uwAPoRdCpUQkBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:28:12.351303Z","bundle_sha256":"60860533c235af63115b58feb094fb059209dcf01eb15c01a789e46833ac4a35"}}