{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:O3B7QSFISAUHWLJS7CICMKNSQB","short_pith_number":"pith:O3B7QSFI","canonical_record":{"source":{"id":"astro-ph/0203064","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-03-05T22:53:19Z","cross_cats_sorted":[],"title_canon_sha256":"c9249cdc776399673f135037376d9deb4c9d88f301b64be64ed561e197eae567","abstract_canon_sha256":"f514cdcbbf3a69346bb0daf69cfb950dc17f346bc4ab550ede8d54265e3039f4"},"schema_version":"1.0"},"canonical_sha256":"76c3f848a890287b2d32f8902629b28071a1685e9338153c8a063275610eaf58","source":{"kind":"arxiv","id":"astro-ph/0203064","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0203064","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0203064v1","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0203064","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"pith_short_12","alias_value":"O3B7QSFISAUH","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"O3B7QSFISAUHWLJS","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"O3B7QSFI","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:O3B7QSFISAUHWLJS7CICMKNSQB","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0203064","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-03-05T22:53:19Z","cross_cats_sorted":[],"title_canon_sha256":"c9249cdc776399673f135037376d9deb4c9d88f301b64be64ed561e197eae567","abstract_canon_sha256":"f514cdcbbf3a69346bb0daf69cfb950dc17f346bc4ab550ede8d54265e3039f4"},"schema_version":"1.0"},"canonical_sha256":"76c3f848a890287b2d32f8902629b28071a1685e9338153c8a063275610eaf58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:00.858033Z","signature_b64":"QOfrzQotkX5GnF7ljxHSIXC1aVOUc8y3hyU6FdqYBCjBcNtln2/zdVRCCKS9nXyNwJOvtIPEiY/UurMzUiPHBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76c3f848a890287b2d32f8902629b28071a1685e9338153c8a063275610eaf58","last_reissued_at":"2026-05-18T00:37:00.857503Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:00.857503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0203064","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":"2026-05-18T00:37:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tma3s3bHQavzr73Pjx0z34ejodHxfI0qJKp3COMsVW9Rsna1x5vCsVexykU7jmCsKPP+fMWc+Jn7JgBqs4D4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T21:45:54.385604Z"},"content_sha256":"82cdb9d041c1d4e1644c5c8108825f0318dbf53fdfbcdb1932a62e6db5e7ab9b","schema_version":"1.0","event_id":"sha256:82cdb9d041c1d4e1644c5c8108825f0318dbf53fdfbcdb1932a62e6db5e7ab9b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:O3B7QSFISAUHWLJS7CICMKNSQB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modes of Accretion in X-ray Sources","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrei M. Beloborodov (CITA)","submitted_at":"2002-03-05T22:53:19Z","abstract_excerpt":"Three classical modes of accretion are briefly discussed: wind-fed, spherical, and disk. The three modes are illustrated with the mass transfer onto black holes in high-mass X-ray binaries. Then a new regime of mini-disk accretion is described and it is argued that observed wind-fed X-ray sources are likely to accrete in this regime. Switching from one accretion mode to another can cause the observed spectral state transitio ns."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0203064","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":"2026-05-18T00:37:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MBxR1RuxPCxprMdyqKIusIH8giVcG1wRsLClgTuSmkBYlNXVooPUgALkKyPZ3lGWQlM61wA1HcVW6eDHMP/fDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T21:45:54.385953Z"},"content_sha256":"6ad3bd80811c94f3e74602582db5b29d9b0e785fdf5df671f885b96109a3fa12","schema_version":"1.0","event_id":"sha256:6ad3bd80811c94f3e74602582db5b29d9b0e785fdf5df671f885b96109a3fa12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3B7QSFISAUHWLJS7CICMKNSQB/bundle.json","state_url":"https://pith.science/pith/O3B7QSFISAUHWLJS7CICMKNSQB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3B7QSFISAUHWLJS7CICMKNSQB/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":"2026-06-10T21:45:54Z","links":{"resolver":"https://pith.science/pith/O3B7QSFISAUHWLJS7CICMKNSQB","bundle":"https://pith.science/pith/O3B7QSFISAUHWLJS7CICMKNSQB/bundle.json","state":"https://pith.science/pith/O3B7QSFISAUHWLJS7CICMKNSQB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3B7QSFISAUHWLJS7CICMKNSQB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:O3B7QSFISAUHWLJS7CICMKNSQB","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":"f514cdcbbf3a69346bb0daf69cfb950dc17f346bc4ab550ede8d54265e3039f4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-03-05T22:53:19Z","title_canon_sha256":"c9249cdc776399673f135037376d9deb4c9d88f301b64be64ed561e197eae567"},"schema_version":"1.0","source":{"id":"astro-ph/0203064","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0203064","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0203064v1","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0203064","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"pith_short_12","alias_value":"O3B7QSFISAUH","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"O3B7QSFISAUHWLJS","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"O3B7QSFI","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:6ad3bd80811c94f3e74602582db5b29d9b0e785fdf5df671f885b96109a3fa12","target":"graph","created_at":"2026-05-18T00:37:00Z","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":"Three classical modes of accretion are briefly discussed: wind-fed, spherical, and disk. The three modes are illustrated with the mass transfer onto black holes in high-mass X-ray binaries. Then a new regime of mini-disk accretion is described and it is argued that observed wind-fed X-ray sources are likely to accrete in this regime. Switching from one accretion mode to another can cause the observed spectral state transitio ns.","authors_text":"Andrei M. Beloborodov (CITA)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-03-05T22:53:19Z","title":"Modes of Accretion in X-ray Sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0203064","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":"sha256:82cdb9d041c1d4e1644c5c8108825f0318dbf53fdfbcdb1932a62e6db5e7ab9b","target":"record","created_at":"2026-05-18T00:37:00Z","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":"f514cdcbbf3a69346bb0daf69cfb950dc17f346bc4ab550ede8d54265e3039f4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-03-05T22:53:19Z","title_canon_sha256":"c9249cdc776399673f135037376d9deb4c9d88f301b64be64ed561e197eae567"},"schema_version":"1.0","source":{"id":"astro-ph/0203064","kind":"arxiv","version":1}},"canonical_sha256":"76c3f848a890287b2d32f8902629b28071a1685e9338153c8a063275610eaf58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76c3f848a890287b2d32f8902629b28071a1685e9338153c8a063275610eaf58","first_computed_at":"2026-05-18T00:37:00.857503Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:00.857503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QOfrzQotkX5GnF7ljxHSIXC1aVOUc8y3hyU6FdqYBCjBcNtln2/zdVRCCKS9nXyNwJOvtIPEiY/UurMzUiPHBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:00.858033Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0203064","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82cdb9d041c1d4e1644c5c8108825f0318dbf53fdfbcdb1932a62e6db5e7ab9b","sha256:6ad3bd80811c94f3e74602582db5b29d9b0e785fdf5df671f885b96109a3fa12"],"state_sha256":"0af0521bf6295f4feee318e5ef7487d73f891a8aecbe7d072032081ab915c10f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hepn+LlEa+hnjRCJI0AxbACq2l20sZWdF1lVI3nxE0P9iipnh0LxzSUQKI6iyrnH8YxwQ1bAIwSV0h9zEqH1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T21:45:54.387848Z","bundle_sha256":"5ff335564ba55801877eb481c3d783d85d10db8b502be4e5524c7690fffcecd4"}}