{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:5LR4RVNHBCA7Q5OW46LXORXNUX","short_pith_number":"pith:5LR4RVNH","schema_version":"1.0","canonical_sha256":"eae3c8d5a70881f875d6e7977746eda5ce2d395aa1d9682689edf8466acc5464","source":{"kind":"arxiv","id":"1611.10360","version":4},"attestation_state":"computed","paper":{"title":"Zoom-Simulations of Protoplanetary Disks starting from GMC scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"{\\AA}ke Nordlund, Michael Kuffmeier, Troels Haugboelle","submitted_at":"2016-11-30T20:59:21Z","abstract_excerpt":"We investigate the formation of protoplanetary disks around nine solar mass stars formed in the context of a (40 pc)$^3$ Giant Molecular Cloud model, using RAMSES adaptive-mesh refinement simulations extending over a scale range of about 4 million, from an outer scale of 40 pc down to cell sizes of 2 AU. Our most important result is that the accretion process is heterogeneous in multiple ways; in time, in space, and among protostars of otherwise similar mass. Accretion is heterogeneous in time, in the sense that accretion rates vary during the evolution, with generally decreasing profiles, who"},"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":"1611.10360","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-11-30T20:59:21Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"69066675072b5f9fb72a672416cd33553fccef85ddff170b50d30870ad14b0e7","abstract_canon_sha256":"9250f2c90c5fe1f8ecea486ebe3cafca527146907a55fb05b3df674491d94f1a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:32.914624Z","signature_b64":"QupZShKrP932VKc8a8Z7DKxRU5imWnO3e6YXc6uephdkO+lr6r18JTFkpH3pSN1ilx5JM0+9rwloli9og7VpCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eae3c8d5a70881f875d6e7977746eda5ce2d395aa1d9682689edf8466acc5464","last_reissued_at":"2026-05-18T00:36:32.914058Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:32.914058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Zoom-Simulations of Protoplanetary Disks starting from GMC scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"{\\AA}ke Nordlund, Michael Kuffmeier, Troels Haugboelle","submitted_at":"2016-11-30T20:59:21Z","abstract_excerpt":"We investigate the formation of protoplanetary disks around nine solar mass stars formed in the context of a (40 pc)$^3$ Giant Molecular Cloud model, using RAMSES adaptive-mesh refinement simulations extending over a scale range of about 4 million, from an outer scale of 40 pc down to cell sizes of 2 AU. Our most important result is that the accretion process is heterogeneous in multiple ways; in time, in space, and among protostars of otherwise similar mass. Accretion is heterogeneous in time, in the sense that accretion rates vary during the evolution, with generally decreasing profiles, who"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.10360","kind":"arxiv","version":4},"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":"1611.10360","created_at":"2026-05-18T00:36:32.914145+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.10360v4","created_at":"2026-05-18T00:36:32.914145+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.10360","created_at":"2026-05-18T00:36:32.914145+00:00"},{"alias_kind":"pith_short_12","alias_value":"5LR4RVNHBCA7","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_16","alias_value":"5LR4RVNHBCA7Q5OW","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_8","alias_value":"5LR4RVNH","created_at":"2026-05-18T12:30:01.593930+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/5LR4RVNHBCA7Q5OW46LXORXNUX","json":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX.json","graph_json":"https://pith.science/api/pith-number/5LR4RVNHBCA7Q5OW46LXORXNUX/graph.json","events_json":"https://pith.science/api/pith-number/5LR4RVNHBCA7Q5OW46LXORXNUX/events.json","paper":"https://pith.science/paper/5LR4RVNH"},"agent_actions":{"view_html":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX","download_json":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX.json","view_paper":"https://pith.science/paper/5LR4RVNH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.10360&json=true","fetch_graph":"https://pith.science/api/pith-number/5LR4RVNHBCA7Q5OW46LXORXNUX/graph.json","fetch_events":"https://pith.science/api/pith-number/5LR4RVNHBCA7Q5OW46LXORXNUX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX/action/storage_attestation","attest_author":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX/action/author_attestation","sign_citation":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX/action/citation_signature","submit_replication":"https://pith.science/pith/5LR4RVNHBCA7Q5OW46LXORXNUX/action/replication_record"}},"created_at":"2026-05-18T00:36:32.914145+00:00","updated_at":"2026-05-18T00:36:32.914145+00:00"}