{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:EVPD7XY6DJPDQV62MLTTAVOTDB","short_pith_number":"pith:EVPD7XY6","canonical_record":{"source":{"id":"astro-ph/9710305","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-10-27T16:57:55Z","cross_cats_sorted":[],"title_canon_sha256":"7e18794c609e377a77c793429fdd719837f0b9d158e61613bdf08ae744ecf1e6","abstract_canon_sha256":"289bb6c19732f8c4740337a12033e23ef3ee4bf8fdbbe8ccb4185d0ad4a1dfb3"},"schema_version":"1.0"},"canonical_sha256":"255e3fdf1e1a5e3857da62e73055d31850f23d52514fb0a168c20cbaffe3b56e","source":{"kind":"arxiv","id":"astro-ph/9710305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9710305","created_at":"2026-05-18T01:40:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9710305v1","created_at":"2026-05-18T01:40:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9710305","created_at":"2026-05-18T01:40:16Z"},{"alias_kind":"pith_short_12","alias_value":"EVPD7XY6DJPD","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"EVPD7XY6DJPDQV62","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"EVPD7XY6","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:EVPD7XY6DJPDQV62MLTTAVOTDB","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9710305","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-10-27T16:57:55Z","cross_cats_sorted":[],"title_canon_sha256":"7e18794c609e377a77c793429fdd719837f0b9d158e61613bdf08ae744ecf1e6","abstract_canon_sha256":"289bb6c19732f8c4740337a12033e23ef3ee4bf8fdbbe8ccb4185d0ad4a1dfb3"},"schema_version":"1.0"},"canonical_sha256":"255e3fdf1e1a5e3857da62e73055d31850f23d52514fb0a168c20cbaffe3b56e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:16.558426Z","signature_b64":"Y74l0MrSryRnAatq/eoON5KijyUVQe1Vo7wdixhOgUc5bMVJ5NRsnqHXZihJh17a7bO9/AQCcfUki0MrcskgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"255e3fdf1e1a5e3857da62e73055d31850f23d52514fb0a168c20cbaffe3b56e","last_reissued_at":"2026-05-18T01:40:16.557770Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:16.557770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9710305","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:40:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxkRfnISac3hnU2goB+yipkwRAcZHNdnhKGDcoySsedfjZfyVt9kQDrQl+PN+1i8XHzJxp8jXU3DV08p3jOwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:56:10.076177Z"},"content_sha256":"df34d9eb4f9cc58eb42ee3d322f43e47b5b6a8edf0816e2ad0137683fff9ae71","schema_version":"1.0","event_id":"sha256:df34d9eb4f9cc58eb42ee3d322f43e47b5b6a8edf0816e2ad0137683fff9ae71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:EVPD7XY6DJPDQV62MLTTAVOTDB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiation driven winds from luminous accretion disks","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) University of Maryland, College Park, Daniel Proga (1), James M. Stone (2), Janet E. Drew (1) ((1) Imperial College of Science, London, Maryland, Medicine, Technology, U.K., USA)","submitted_at":"1997-10-27T16:57:55Z","abstract_excerpt":"We study the 2-D, time-dependent hydrodynamics of radiation-driven winds from accretion disks in which the radiation force is mediated by spectral lines. If the dominant contribution to the total radiation field comes from the disk, then we find the outflow is intrinsically unsteady and characterised by large amplitude velocity and density changes. Both infall and outflow can occur in different regions of the wind at the same time. On the other hand, if the total luminosity of the system is dominated by the central star, then the outflow is steady. In either case, we find the 2-D structure of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9710305","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:40:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NPsuw8nQ1NKpPdyAh6zWNLsrP84Y+TqF3A1Gxzo8tb7jp+Q3vfFGvYgRQVI2Oc2hQyDh4Zs2otwb2PClJL+wAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:56:10.076543Z"},"content_sha256":"734238c5ad6419bd5faae6cf52f142de11253695694bb7006be9573e909f6f15","schema_version":"1.0","event_id":"sha256:734238c5ad6419bd5faae6cf52f142de11253695694bb7006be9573e909f6f15"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVPD7XY6DJPDQV62MLTTAVOTDB/bundle.json","state_url":"https://pith.science/pith/EVPD7XY6DJPDQV62MLTTAVOTDB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVPD7XY6DJPDQV62MLTTAVOTDB/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":"2026-05-31T09:56:10Z","links":{"resolver":"https://pith.science/pith/EVPD7XY6DJPDQV62MLTTAVOTDB","bundle":"https://pith.science/pith/EVPD7XY6DJPDQV62MLTTAVOTDB/bundle.json","state":"https://pith.science/pith/EVPD7XY6DJPDQV62MLTTAVOTDB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVPD7XY6DJPDQV62MLTTAVOTDB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:EVPD7XY6DJPDQV62MLTTAVOTDB","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":"289bb6c19732f8c4740337a12033e23ef3ee4bf8fdbbe8ccb4185d0ad4a1dfb3","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-10-27T16:57:55Z","title_canon_sha256":"7e18794c609e377a77c793429fdd719837f0b9d158e61613bdf08ae744ecf1e6"},"schema_version":"1.0","source":{"id":"astro-ph/9710305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9710305","created_at":"2026-05-18T01:40:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9710305v1","created_at":"2026-05-18T01:40:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9710305","created_at":"2026-05-18T01:40:16Z"},{"alias_kind":"pith_short_12","alias_value":"EVPD7XY6DJPD","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"EVPD7XY6DJPDQV62","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"EVPD7XY6","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:734238c5ad6419bd5faae6cf52f142de11253695694bb7006be9573e909f6f15","target":"graph","created_at":"2026-05-18T01:40:16Z","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":"We study the 2-D, time-dependent hydrodynamics of radiation-driven winds from accretion disks in which the radiation force is mediated by spectral lines. If the dominant contribution to the total radiation field comes from the disk, then we find the outflow is intrinsically unsteady and characterised by large amplitude velocity and density changes. Both infall and outflow can occur in different regions of the wind at the same time. On the other hand, if the total luminosity of the system is dominated by the central star, then the outflow is steady. In either case, we find the 2-D structure of ","authors_text":"(2) University of Maryland, College Park, Daniel Proga (1), James M. Stone (2), Janet E. Drew (1) ((1) Imperial College of Science, London, Maryland, Medicine, Technology, U.K., USA)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-10-27T16:57:55Z","title":"Radiation driven winds from luminous accretion disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9710305","kind":"arxiv","version":1},"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:df34d9eb4f9cc58eb42ee3d322f43e47b5b6a8edf0816e2ad0137683fff9ae71","target":"record","created_at":"2026-05-18T01:40:16Z","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":"289bb6c19732f8c4740337a12033e23ef3ee4bf8fdbbe8ccb4185d0ad4a1dfb3","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-10-27T16:57:55Z","title_canon_sha256":"7e18794c609e377a77c793429fdd719837f0b9d158e61613bdf08ae744ecf1e6"},"schema_version":"1.0","source":{"id":"astro-ph/9710305","kind":"arxiv","version":1}},"canonical_sha256":"255e3fdf1e1a5e3857da62e73055d31850f23d52514fb0a168c20cbaffe3b56e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"255e3fdf1e1a5e3857da62e73055d31850f23d52514fb0a168c20cbaffe3b56e","first_computed_at":"2026-05-18T01:40:16.557770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:16.557770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y74l0MrSryRnAatq/eoON5KijyUVQe1Vo7wdixhOgUc5bMVJ5NRsnqHXZihJh17a7bO9/AQCcfUki0MrcskgAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:16.558426Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9710305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df34d9eb4f9cc58eb42ee3d322f43e47b5b6a8edf0816e2ad0137683fff9ae71","sha256:734238c5ad6419bd5faae6cf52f142de11253695694bb7006be9573e909f6f15"],"state_sha256":"b6c582ebadebe5b917c83db38ff19b5fbd36609f22292f19cfc61b80192ecccc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YXLvYz5LDUHIbNuYY1OSL2Kw2qCWZsDtncyFgNsVENLtrQ8ZoaUgC9BTniSyPV0q7GJpNnEISwz0WS1gOb+AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:56:10.078985Z","bundle_sha256":"b9c40967cf74b730121ff1ffd54cc77dbd7259a82bbde56f3e36b1246b88e2f4"}}