{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:QUT5LVNUPHIBAS2S24HZ5JBBSW","short_pith_number":"pith:QUT5LVNU","schema_version":"1.0","canonical_sha256":"8527d5d5b479d0104b52d70f9ea42195b2be0362d6d5dc7855618b78bef47c28","source":{"kind":"arxiv","id":"astro-ph/0607467","version":2},"attestation_state":"computed","paper":{"title":"An Eccentric Circumbinary Accretion Disk and the Detection of Binary Massive Black Holes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew I. MacFadyen (NYU), Milos Milosavljevic (U. of Texas)","submitted_at":"2006-07-20T08:32:31Z","abstract_excerpt":"We present a two-dimensional grid-based hydrodynamic simulation of a thin, viscous, locally-isothermal corotating disk orbiting an equal-mass Newtonian binary point mass on a fixed circular orbit. We study the structure of the disk after multiple viscous times. The binary maintains a central hole in the viscously-relaxed disk with radius equal to about twice the binary semimajor axis. Disk surface density within the hole is reduced by orders of magnitude relative to the density in the disk bulk. The inner truncation of the disk resembles the clearing of a gap in a protoplanetary disk. An initi"},"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":"astro-ph/0607467","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-20T08:32:31Z","cross_cats_sorted":[],"title_canon_sha256":"2111f61ef802e8db37370e07be60883b5213928bc1e6ff33252605f742e734ee","abstract_canon_sha256":"4c0c0efa9e6194f19981dc24339c52e72f54c5625940f5fb27f05c5b159960bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:21.155600Z","signature_b64":"0CrHVlh/XgXL5K1GoirHCjR5AL4p4RQn7glji+5sdydHic2JKVHjUZXooicy9c5Kscfe5Apiin4zQkkOtoaBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8527d5d5b479d0104b52d70f9ea42195b2be0362d6d5dc7855618b78bef47c28","last_reissued_at":"2026-05-18T04:36:21.154971Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:21.154971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Eccentric Circumbinary Accretion Disk and the Detection of Binary Massive Black Holes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew I. MacFadyen (NYU), Milos Milosavljevic (U. of Texas)","submitted_at":"2006-07-20T08:32:31Z","abstract_excerpt":"We present a two-dimensional grid-based hydrodynamic simulation of a thin, viscous, locally-isothermal corotating disk orbiting an equal-mass Newtonian binary point mass on a fixed circular orbit. We study the structure of the disk after multiple viscous times. The binary maintains a central hole in the viscously-relaxed disk with radius equal to about twice the binary semimajor axis. Disk surface density within the hole is reduced by orders of magnitude relative to the density in the disk bulk. The inner truncation of the disk resembles the clearing of a gap in a protoplanetary disk. An initi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607467","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607467","created_at":"2026-05-18T04:36:21.155060+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607467v2","created_at":"2026-05-18T04:36:21.155060+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607467","created_at":"2026-05-18T04:36:21.155060+00:00"},{"alias_kind":"pith_short_12","alias_value":"QUT5LVNUPHIB","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_16","alias_value":"QUT5LVNUPHIBAS2S","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_8","alias_value":"QUT5LVNU","created_at":"2026-05-18T12:25:54.717736+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.10823","citing_title":"AGN-driven BBH mergers: Black hole populations and hierarchical growth across the AGN parameter space","ref_index":97,"is_internal_anchor":true},{"citing_arxiv_id":"2605.23452","citing_title":"Insights from Analytical Theory of Eccentric Circumbinary Disks II. Forced Modes and Resonance for Precessing Binaries","ref_index":126,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW","json":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW.json","graph_json":"https://pith.science/api/pith-number/QUT5LVNUPHIBAS2S24HZ5JBBSW/graph.json","events_json":"https://pith.science/api/pith-number/QUT5LVNUPHIBAS2S24HZ5JBBSW/events.json","paper":"https://pith.science/paper/QUT5LVNU"},"agent_actions":{"view_html":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW","download_json":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW.json","view_paper":"https://pith.science/paper/QUT5LVNU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0607467&json=true","fetch_graph":"https://pith.science/api/pith-number/QUT5LVNUPHIBAS2S24HZ5JBBSW/graph.json","fetch_events":"https://pith.science/api/pith-number/QUT5LVNUPHIBAS2S24HZ5JBBSW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW/action/storage_attestation","attest_author":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW/action/author_attestation","sign_citation":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW/action/citation_signature","submit_replication":"https://pith.science/pith/QUT5LVNUPHIBAS2S24HZ5JBBSW/action/replication_record"}},"created_at":"2026-05-18T04:36:21.155060+00:00","updated_at":"2026-05-18T04:36:21.155060+00:00"}