{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:B7NOD5VAXEKJSIB7MQAVWWGBA5","short_pith_number":"pith:B7NOD5VA","canonical_record":{"source":{"id":"1112.5483","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-22T22:48:54Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"a20228969318ad68fc927aa076208f43a3c5c3e612ed19ba2250836d552ee8b2","abstract_canon_sha256":"55a0bbae2d2f9648c892c667b171b1615a2204f9ff4f0fd5101b194fc8858a7f"},"schema_version":"1.0"},"canonical_sha256":"0fdae1f6a0b91499203f64015b58c107474ed8496ea577c280df772355204a0a","source":{"kind":"arxiv","id":"1112.5483","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5483","created_at":"2026-05-18T03:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5483v2","created_at":"2026-05-18T03:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5483","created_at":"2026-05-18T03:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"B7NOD5VAXEKJ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"B7NOD5VAXEKJSIB7","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"B7NOD5VA","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:B7NOD5VAXEKJSIB7MQAVWWGBA5","target":"record","payload":{"canonical_record":{"source":{"id":"1112.5483","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-22T22:48:54Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"a20228969318ad68fc927aa076208f43a3c5c3e612ed19ba2250836d552ee8b2","abstract_canon_sha256":"55a0bbae2d2f9648c892c667b171b1615a2204f9ff4f0fd5101b194fc8858a7f"},"schema_version":"1.0"},"canonical_sha256":"0fdae1f6a0b91499203f64015b58c107474ed8496ea577c280df772355204a0a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:45:43.575896Z","signature_b64":"srd4Rk97wo8RnpNFv9sew9P633JDkz5qs9xiasJ8fSPFAXXy3wR+/3AvC0mx4B/I1/sNf7b1TvmA/hzQpfXaAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fdae1f6a0b91499203f64015b58c107474ed8496ea577c280df772355204a0a","last_reissued_at":"2026-05-18T03:45:43.575273Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:45:43.575273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.5483","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kYiMhkeACwElawNH46OmBQ1W2IzTIpn1Gj+BV9BlcvFai/hyMVOcvKvmW4fU3MSGQ0JrceaaSiN+1Ei3SUFSDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:31:09.208167Z"},"content_sha256":"93adc39b125cdaced6f5579f978784839538db2ed12378ee4fd0c5ee19c69f94","schema_version":"1.0","event_id":"sha256:93adc39b125cdaced6f5579f978784839538db2ed12378ee4fd0c5ee19c69f94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:B7NOD5VAXEKJSIB7MQAVWWGBA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiphase, non-spherical gas accretion onto a black hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"1), 2), (2) INAF-OATs, (3) Princeton), Daniel Proga (3, Kentaro Nagamine (1) ((1) UNLV, Paramita Barai (1","submitted_at":"2011-12-22T22:48:54Z","abstract_excerpt":"(Abridged) We investigate non-spherical behavior of gas accreting onto a central supermassive black hole performing simulations using the SPH code GADGET-3 including radiative cooling and heating by the central X-ray source. As found in earlier 1D studies, our 3D simulations show that the accretion mode depends on the X-ray luminosity (L_X) for a fixed density at infinity and accretion efficiency. In the low L_X limit, gas accretes in a stable, spherically symmetric fashion. In the high L_X limit, the inner gas is significantly heated up and expands, reducing the central mass inflow rate. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5483","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O9APWAS06+9iKuLpKLzpLcVNOiXNdT1RlW2Bzsk6f35ySz1/xmbuM+pxf394OdlDGQMbws6FQ0WsCSF4Xs6oDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:31:09.209010Z"},"content_sha256":"b3b3b0a69f4d778c2ef211e1514cf6bb90f1e8d1411269b982e72b7f59d474b1","schema_version":"1.0","event_id":"sha256:b3b3b0a69f4d778c2ef211e1514cf6bb90f1e8d1411269b982e72b7f59d474b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5/bundle.json","state_url":"https://pith.science/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T21:31:09Z","links":{"resolver":"https://pith.science/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5","bundle":"https://pith.science/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5/bundle.json","state":"https://pith.science/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7NOD5VAXEKJSIB7MQAVWWGBA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:B7NOD5VAXEKJSIB7MQAVWWGBA5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"55a0bbae2d2f9648c892c667b171b1615a2204f9ff4f0fd5101b194fc8858a7f","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-22T22:48:54Z","title_canon_sha256":"a20228969318ad68fc927aa076208f43a3c5c3e612ed19ba2250836d552ee8b2"},"schema_version":"1.0","source":{"id":"1112.5483","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5483","created_at":"2026-05-18T03:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5483v2","created_at":"2026-05-18T03:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5483","created_at":"2026-05-18T03:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"B7NOD5VAXEKJ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"B7NOD5VAXEKJSIB7","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"B7NOD5VA","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:b3b3b0a69f4d778c2ef211e1514cf6bb90f1e8d1411269b982e72b7f59d474b1","target":"graph","created_at":"2026-05-18T03:45:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"(Abridged) We investigate non-spherical behavior of gas accreting onto a central supermassive black hole performing simulations using the SPH code GADGET-3 including radiative cooling and heating by the central X-ray source. As found in earlier 1D studies, our 3D simulations show that the accretion mode depends on the X-ray luminosity (L_X) for a fixed density at infinity and accretion efficiency. In the low L_X limit, gas accretes in a stable, spherically symmetric fashion. In the high L_X limit, the inner gas is significantly heated up and expands, reducing the central mass inflow rate. The ","authors_text":"1), 2), (2) INAF-OATs, (3) Princeton), Daniel Proga (3, Kentaro Nagamine (1) ((1) UNLV, Paramita Barai (1","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-22T22:48:54Z","title":"Multiphase, non-spherical gas accretion onto a black hole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5483","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:93adc39b125cdaced6f5579f978784839538db2ed12378ee4fd0c5ee19c69f94","target":"record","created_at":"2026-05-18T03:45:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"55a0bbae2d2f9648c892c667b171b1615a2204f9ff4f0fd5101b194fc8858a7f","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-22T22:48:54Z","title_canon_sha256":"a20228969318ad68fc927aa076208f43a3c5c3e612ed19ba2250836d552ee8b2"},"schema_version":"1.0","source":{"id":"1112.5483","kind":"arxiv","version":2}},"canonical_sha256":"0fdae1f6a0b91499203f64015b58c107474ed8496ea577c280df772355204a0a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fdae1f6a0b91499203f64015b58c107474ed8496ea577c280df772355204a0a","first_computed_at":"2026-05-18T03:45:43.575273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:43.575273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"srd4Rk97wo8RnpNFv9sew9P633JDkz5qs9xiasJ8fSPFAXXy3wR+/3AvC0mx4B/I1/sNf7b1TvmA/hzQpfXaAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:43.575896Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.5483","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93adc39b125cdaced6f5579f978784839538db2ed12378ee4fd0c5ee19c69f94","sha256:b3b3b0a69f4d778c2ef211e1514cf6bb90f1e8d1411269b982e72b7f59d474b1"],"state_sha256":"4c04f77218a58202afb9a50927e4ea74d3829f4e879d93c8ee458d8a20287ee6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WMxUmvdnQt+c1jizu7sytllc0Lm6FYwMhReN0y23QX56xsKByTFyIPFrOPcxTBwwFxn7Uq6muOIVGb97A3i8Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T21:31:09.212081Z","bundle_sha256":"473dc133df9c0d4677004af9802ddf23fdf7ebe23de36629bbf1e4cb1eeeb34c"}}