{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4D4PYGSSRTGZRBNG7U2DNKRW2B","short_pith_number":"pith:4D4PYGSS","schema_version":"1.0","canonical_sha256":"e0f8fc1a528ccd9885a6fd3436aa36d068921124f989b757e44a0bc464bbfc0f","source":{"kind":"arxiv","id":"1511.05620","version":1},"attestation_state":"computed","paper":{"title":"External Photoevaporation of the Solar Nebula II: Effects on Disk Structure and Evolution with Non-Uniform Turbulent Viscosity due to the Magnetorotational Instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anusha Kalyaan, Nikhil Monga, Steven J Desch","submitted_at":"2015-11-17T23:41:59Z","abstract_excerpt":"The structure and evolution of protoplanetary disks, especially the radial flows of gas through them, are sensitive to a number of factors. One that has been considered only occasionally in the literature is external photoevaporation by far-ultraviolet (FUV) radiation from nearby, massive stars, despite the fact that nearly half of all disks will experience photoevaporation. Another effect apparently not considered in the literature is a spatially and temporally varying value of $\\alpha$ in the disk [where the turbulent viscosity $\\nu$ is $\\alpha$ times the sound speed C times the disk scale h"},"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":"1511.05620","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-17T23:41:59Z","cross_cats_sorted":[],"title_canon_sha256":"6f25134715ecc01f8fae69c9244c03da8426d5a80e2b1b8d57d73ab2199cc4b8","abstract_canon_sha256":"b803b754d162e641d5b0c8ceb323f703f187ab8e58f520c1a4bee837f9272c6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:54.068116Z","signature_b64":"DRV++o7sJqnkjnPiZAolU/VMRae1518s96V2gYJ+DWgNkAi1DnRBZ/dCWc3ZJUgbDdRGI4NNmTHUd7qJFsbBAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0f8fc1a528ccd9885a6fd3436aa36d068921124f989b757e44a0bc464bbfc0f","last_reissued_at":"2026-05-18T01:23:54.067563Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:54.067563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"External Photoevaporation of the Solar Nebula II: Effects on Disk Structure and Evolution with Non-Uniform Turbulent Viscosity due to the Magnetorotational Instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anusha Kalyaan, Nikhil Monga, Steven J Desch","submitted_at":"2015-11-17T23:41:59Z","abstract_excerpt":"The structure and evolution of protoplanetary disks, especially the radial flows of gas through them, are sensitive to a number of factors. One that has been considered only occasionally in the literature is external photoevaporation by far-ultraviolet (FUV) radiation from nearby, massive stars, despite the fact that nearly half of all disks will experience photoevaporation. Another effect apparently not considered in the literature is a spatially and temporally varying value of $\\alpha$ in the disk [where the turbulent viscosity $\\nu$ is $\\alpha$ times the sound speed C times the disk scale h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05620","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":"1511.05620","created_at":"2026-05-18T01:23:54.067646+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.05620v1","created_at":"2026-05-18T01:23:54.067646+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05620","created_at":"2026-05-18T01:23:54.067646+00:00"},{"alias_kind":"pith_short_12","alias_value":"4D4PYGSSRTGZ","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4D4PYGSSRTGZRBNG","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4D4PYGSS","created_at":"2026-05-18T12:29:05.191682+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/4D4PYGSSRTGZRBNG7U2DNKRW2B","json":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B.json","graph_json":"https://pith.science/api/pith-number/4D4PYGSSRTGZRBNG7U2DNKRW2B/graph.json","events_json":"https://pith.science/api/pith-number/4D4PYGSSRTGZRBNG7U2DNKRW2B/events.json","paper":"https://pith.science/paper/4D4PYGSS"},"agent_actions":{"view_html":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B","download_json":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B.json","view_paper":"https://pith.science/paper/4D4PYGSS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.05620&json=true","fetch_graph":"https://pith.science/api/pith-number/4D4PYGSSRTGZRBNG7U2DNKRW2B/graph.json","fetch_events":"https://pith.science/api/pith-number/4D4PYGSSRTGZRBNG7U2DNKRW2B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B/action/storage_attestation","attest_author":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B/action/author_attestation","sign_citation":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B/action/citation_signature","submit_replication":"https://pith.science/pith/4D4PYGSSRTGZRBNG7U2DNKRW2B/action/replication_record"}},"created_at":"2026-05-18T01:23:54.067646+00:00","updated_at":"2026-05-18T01:23:54.067646+00:00"}