{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:COLO73UHLSTOVIN2P66XNZCMLX","short_pith_number":"pith:COLO73UH","schema_version":"1.0","canonical_sha256":"1396efee875ca6eaa1ba7fbd76e44c5ddbbeb4e854010753c24123807766a525","source":{"kind":"arxiv","id":"2001.06225","version":3},"attestation_state":"computed","paper":{"title":"Massive discs around low-mass stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Cassandra Hall, Duncan Forgan, Emma Albertini, Farzana Meru, James Cadman, James E. Owen, Ken Rice, Thomas J. Haworth","submitted_at":"2020-01-17T10:18:26Z","abstract_excerpt":"We use a suite of SPH simulations to investigate the susceptibility of protoplanetary discs to the effects of self-gravity as a function of star-disc properties. We also include passive irradiation from the host star using different models for the stellar luminosities. The critical disc-to-star mass ratio for axisymmetry (for which we produce criteria) increases significantly for low-mass stars. This could have important consequences for increasing the potential mass reservoir in a proto Trappist-1 system, since even the efficient Ormel et al. (2017) formation model will be influenced by proce"},"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":"2001.06225","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-01-17T10:18:26Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"a718fcef2dbcff791ef602a9d1c3248f63b43d9f643f7a6cba1310e104bcd1c2","abstract_canon_sha256":"18d180d4830cfc7a0e619e61f6383ac90075b9ee8b42613065d2c700bc76fd2f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:55:08.790527Z","signature_b64":"dYixZgKN+DMrgQH/FvncmPEgQjC1OaUdacFdA2OXEXfRbPpsGTl73LDlpej0yXIsnMbbWEn6lRNd7xbkm/ZhDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1396efee875ca6eaa1ba7fbd76e44c5ddbbeb4e854010753c24123807766a525","last_reissued_at":"2026-07-05T00:55:08.790078Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:55:08.790078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Massive discs around low-mass stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Cassandra Hall, Duncan Forgan, Emma Albertini, Farzana Meru, James Cadman, James E. Owen, Ken Rice, Thomas J. Haworth","submitted_at":"2020-01-17T10:18:26Z","abstract_excerpt":"We use a suite of SPH simulations to investigate the susceptibility of protoplanetary discs to the effects of self-gravity as a function of star-disc properties. We also include passive irradiation from the host star using different models for the stellar luminosities. The critical disc-to-star mass ratio for axisymmetry (for which we produce criteria) increases significantly for low-mass stars. This could have important consequences for increasing the potential mass reservoir in a proto Trappist-1 system, since even the efficient Ormel et al. (2017) formation model will be influenced by proce"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.06225","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.06225/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2001.06225","created_at":"2026-07-05T00:55:08.790145+00:00"},{"alias_kind":"arxiv_version","alias_value":"2001.06225v3","created_at":"2026-07-05T00:55:08.790145+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.06225","created_at":"2026-07-05T00:55:08.790145+00:00"},{"alias_kind":"pith_short_12","alias_value":"COLO73UHLSTO","created_at":"2026-07-05T00:55:08.790145+00:00"},{"alias_kind":"pith_short_16","alias_value":"COLO73UHLSTOVIN2","created_at":"2026-07-05T00:55:08.790145+00:00"},{"alias_kind":"pith_short_8","alias_value":"COLO73UH","created_at":"2026-07-05T00:55:08.790145+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/COLO73UHLSTOVIN2P66XNZCMLX","json":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX.json","graph_json":"https://pith.science/api/pith-number/COLO73UHLSTOVIN2P66XNZCMLX/graph.json","events_json":"https://pith.science/api/pith-number/COLO73UHLSTOVIN2P66XNZCMLX/events.json","paper":"https://pith.science/paper/COLO73UH"},"agent_actions":{"view_html":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX","download_json":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX.json","view_paper":"https://pith.science/paper/COLO73UH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2001.06225&json=true","fetch_graph":"https://pith.science/api/pith-number/COLO73UHLSTOVIN2P66XNZCMLX/graph.json","fetch_events":"https://pith.science/api/pith-number/COLO73UHLSTOVIN2P66XNZCMLX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX/action/storage_attestation","attest_author":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX/action/author_attestation","sign_citation":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX/action/citation_signature","submit_replication":"https://pith.science/pith/COLO73UHLSTOVIN2P66XNZCMLX/action/replication_record"}},"created_at":"2026-07-05T00:55:08.790145+00:00","updated_at":"2026-07-05T00:55:08.790145+00:00"}