{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OJ6TD2OSSB6PTOALHVTPMEPP6R","short_pith_number":"pith:OJ6TD2OS","schema_version":"1.0","canonical_sha256":"727d31e9d2907cf9b80b3d66f611eff474eb1f63aae87ea085c1f7892879bc30","source":{"kind":"arxiv","id":"1801.06707","version":1},"attestation_state":"computed","paper":{"title":"Knotty protostellar jets as a signature of episodic protostellar accretion?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"1060, 1180, 1290 Versoix, 2, 280 Central Ave, (2) Research Institute of Physics, 3), 344090 Russia, (3) University of Vienna, (4) European Southern Observatory, (5) Department of Physics, (6) Department of Astronomy, Adele Plunkett (4), Austria, Av. Alonso de Cordova 3107, Chile, Department of Astrophysics, Eduard Vorobyov (1, Fredonia, Heat Transfer, Manuel Guedel (3), Marc Audard (6), Michael Dunham (5), NY 14063, Odysseas Dionatos (3) ((1) Institute of Fluid Mechanics, Roston-on-Don, Santiago de Chile, Southern Federal University, State University of New York at Fredonia, Switzerland), TU Wien, University of Geneva, Vardan Elbakyan (2), Vienna, Vitacura","submitted_at":"2018-01-20T18:10:02Z","abstract_excerpt":"We aim at studying the causal link between the knotty jet structure in CARMA 7, a young Class 0 protostar in the Serpens South cluster, and episodic accretion in young protostellar disks. We used numerical hydrodynamics simulations to derive the protostellar accretion history in gravitationally unstable disks around solar-mass protostars. We compared the time spacing between luminosity bursts \\Delta\\tau_mod, caused by dense clumps spiralling on the protostar, with the differences of dynamical timescales between the knots \\Delta\\tau_obs in CARMA 7. We found that the time spacing between the bur"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1801.06707","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-20T18:10:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"89351861a15ac831c890c0a4bf5b4b619b190ffd33e80b3c545128d0057437d6","abstract_canon_sha256":"d00351b89e630744b1bf6ee54d74cc597ce39cc1de58453dd3648390b25b2a0e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:28.334623Z","signature_b64":"QF14zOEoiuH/3N7NTHRAwqHz1ToOLOBLKPYA0hNTlsTncxlO4qgavKXzerGvRQszxxu3bMfAYa/carISyht1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"727d31e9d2907cf9b80b3d66f611eff474eb1f63aae87ea085c1f7892879bc30","last_reissued_at":"2026-05-18T00:13:28.334084Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:28.334084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Knotty protostellar jets as a signature of episodic protostellar accretion?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"1060, 1180, 1290 Versoix, 2, 280 Central Ave, (2) Research Institute of Physics, 3), 344090 Russia, (3) University of Vienna, (4) European Southern Observatory, (5) Department of Physics, (6) Department of Astronomy, Adele Plunkett (4), Austria, Av. Alonso de Cordova 3107, Chile, Department of Astrophysics, Eduard Vorobyov (1, Fredonia, Heat Transfer, Manuel Guedel (3), Marc Audard (6), Michael Dunham (5), NY 14063, Odysseas Dionatos (3) ((1) Institute of Fluid Mechanics, Roston-on-Don, Santiago de Chile, Southern Federal University, State University of New York at Fredonia, Switzerland), TU Wien, University of Geneva, Vardan Elbakyan (2), Vienna, Vitacura","submitted_at":"2018-01-20T18:10:02Z","abstract_excerpt":"We aim at studying the causal link between the knotty jet structure in CARMA 7, a young Class 0 protostar in the Serpens South cluster, and episodic accretion in young protostellar disks. We used numerical hydrodynamics simulations to derive the protostellar accretion history in gravitationally unstable disks around solar-mass protostars. We compared the time spacing between luminosity bursts \\Delta\\tau_mod, caused by dense clumps spiralling on the protostar, with the differences of dynamical timescales between the knots \\Delta\\tau_obs in CARMA 7. We found that the time spacing between the bur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06707","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1801.06707","created_at":"2026-05-18T00:13:28.334146+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.06707v1","created_at":"2026-05-18T00:13:28.334146+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06707","created_at":"2026-05-18T00:13:28.334146+00:00"},{"alias_kind":"pith_short_12","alias_value":"OJ6TD2OSSB6P","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OJ6TD2OSSB6PTOAL","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OJ6TD2OS","created_at":"2026-05-18T12:32:43.782077+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R","json":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R.json","graph_json":"https://pith.science/api/pith-number/OJ6TD2OSSB6PTOALHVTPMEPP6R/graph.json","events_json":"https://pith.science/api/pith-number/OJ6TD2OSSB6PTOALHVTPMEPP6R/events.json","paper":"https://pith.science/paper/OJ6TD2OS"},"agent_actions":{"view_html":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R","download_json":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R.json","view_paper":"https://pith.science/paper/OJ6TD2OS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.06707&json=true","fetch_graph":"https://pith.science/api/pith-number/OJ6TD2OSSB6PTOALHVTPMEPP6R/graph.json","fetch_events":"https://pith.science/api/pith-number/OJ6TD2OSSB6PTOALHVTPMEPP6R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R/action/storage_attestation","attest_author":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R/action/author_attestation","sign_citation":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R/action/citation_signature","submit_replication":"https://pith.science/pith/OJ6TD2OSSB6PTOALHVTPMEPP6R/action/replication_record"}},"created_at":"2026-05-18T00:13:28.334146+00:00","updated_at":"2026-05-18T00:13:28.334146+00:00"}