{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:BAQVUG7QV2UNFC5ZYB3VH2GALL","short_pith_number":"pith:BAQVUG7Q","canonical_record":{"source":{"id":"astro-ph/9911143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-11-09T13:45:53Z","cross_cats_sorted":[],"title_canon_sha256":"76ff8c04f6410d61113501ded8c7edb24aa1977ae35939f5e4f96176aea1a54a","abstract_canon_sha256":"9451b2b69e3d24629fd6e9bd3570bcf74e0769ae2e3e8f0213a2562b0c2dc1ee"},"schema_version":"1.0"},"canonical_sha256":"08215a1bf0aea8d28bb9c07753e8c05aedb2389d30a3f733378f0b83ff3329ad","source":{"kind":"arxiv","id":"astro-ph/9911143","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9911143","created_at":"2026-05-18T01:40:12Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9911143v1","created_at":"2026-05-18T01:40:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9911143","created_at":"2026-05-18T01:40:12Z"},{"alias_kind":"pith_short_12","alias_value":"BAQVUG7QV2UN","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"BAQVUG7QV2UNFC5Z","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"BAQVUG7Q","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:BAQVUG7QV2UNFC5ZYB3VH2GALL","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9911143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-11-09T13:45:53Z","cross_cats_sorted":[],"title_canon_sha256":"76ff8c04f6410d61113501ded8c7edb24aa1977ae35939f5e4f96176aea1a54a","abstract_canon_sha256":"9451b2b69e3d24629fd6e9bd3570bcf74e0769ae2e3e8f0213a2562b0c2dc1ee"},"schema_version":"1.0"},"canonical_sha256":"08215a1bf0aea8d28bb9c07753e8c05aedb2389d30a3f733378f0b83ff3329ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:12.438747Z","signature_b64":"jMi4TxnHV82VXCsl4NS43B/6sjXqBM3P35c3XR1Nc50xIHacC/pjb7hbDDRCTwBFyizWwOcrbiZpgUbNlYbBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08215a1bf0aea8d28bb9c07753e8c05aedb2389d30a3f733378f0b83ff3329ad","last_reissued_at":"2026-05-18T01:40:12.438125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:12.438125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9911143","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":"2026-05-18T01:40:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VzR7T/FOo0BLBsx1MU/j6lYEGyhNEERnoVcOK7cMOyjq/ZGYj/vd60xMajkWSkzCrXHTHvTMaBIYDVgBq2wwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T06:59:56.092239Z"},"content_sha256":"85ddeba1c654e57edbb2933a245192f7bbf098ece6f9c2594953786dc25583c5","schema_version":"1.0","event_id":"sha256:85ddeba1c654e57edbb2933a245192f7bbf098ece6f9c2594953786dc25583c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:BAQVUG7QV2UNFC5ZYB3VH2GALL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Why Do Black--Hole X-ray Binaries Tend to Be Transient?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Jean-Pierre Lasota (IAP)","submitted_at":"1999-11-09T13:45:53Z","abstract_excerpt":"Black hole X-ray binaries are transient probably because their discs are subject to the same thermal-viscous instability which is present in dwarf nova binary systems. I discuss applications of the dwarf-nova instability model to transient, low-mass, X-ray binary systems. When disc truncation and X-ray irradiation are taken into account this model is capable of reproducing the basic properties of X-ray binary outbursts (Dubus et al. 2000)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9911143","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":"2026-05-18T01:40:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OkKTvWV4czwuOof85IM43u6bhoK4HyqjziDRbecRVxFg3joEUL8Z8FL6wSNnni+gTW55xYlXlCcX94w67Uf5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T06:59:56.092889Z"},"content_sha256":"217248636b38d8b8bbe6c78740e01e76c84b10ebe7c2558e4975ae712247a4cf","schema_version":"1.0","event_id":"sha256:217248636b38d8b8bbe6c78740e01e76c84b10ebe7c2558e4975ae712247a4cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL/bundle.json","state_url":"https://pith.science/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL/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":"2026-06-11T06:59:56Z","links":{"resolver":"https://pith.science/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL","bundle":"https://pith.science/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL/bundle.json","state":"https://pith.science/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BAQVUG7QV2UNFC5ZYB3VH2GALL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:BAQVUG7QV2UNFC5ZYB3VH2GALL","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":"9451b2b69e3d24629fd6e9bd3570bcf74e0769ae2e3e8f0213a2562b0c2dc1ee","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-11-09T13:45:53Z","title_canon_sha256":"76ff8c04f6410d61113501ded8c7edb24aa1977ae35939f5e4f96176aea1a54a"},"schema_version":"1.0","source":{"id":"astro-ph/9911143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9911143","created_at":"2026-05-18T01:40:12Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9911143v1","created_at":"2026-05-18T01:40:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9911143","created_at":"2026-05-18T01:40:12Z"},{"alias_kind":"pith_short_12","alias_value":"BAQVUG7QV2UN","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"BAQVUG7QV2UNFC5Z","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"BAQVUG7Q","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:217248636b38d8b8bbe6c78740e01e76c84b10ebe7c2558e4975ae712247a4cf","target":"graph","created_at":"2026-05-18T01:40:12Z","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":"Black hole X-ray binaries are transient probably because their discs are subject to the same thermal-viscous instability which is present in dwarf nova binary systems. I discuss applications of the dwarf-nova instability model to transient, low-mass, X-ray binary systems. When disc truncation and X-ray irradiation are taken into account this model is capable of reproducing the basic properties of X-ray binary outbursts (Dubus et al. 2000).","authors_text":"Jean-Pierre Lasota (IAP)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-11-09T13:45:53Z","title":"Why Do Black--Hole X-ray Binaries Tend to Be Transient?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9911143","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":"sha256:85ddeba1c654e57edbb2933a245192f7bbf098ece6f9c2594953786dc25583c5","target":"record","created_at":"2026-05-18T01:40:12Z","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":"9451b2b69e3d24629fd6e9bd3570bcf74e0769ae2e3e8f0213a2562b0c2dc1ee","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-11-09T13:45:53Z","title_canon_sha256":"76ff8c04f6410d61113501ded8c7edb24aa1977ae35939f5e4f96176aea1a54a"},"schema_version":"1.0","source":{"id":"astro-ph/9911143","kind":"arxiv","version":1}},"canonical_sha256":"08215a1bf0aea8d28bb9c07753e8c05aedb2389d30a3f733378f0b83ff3329ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08215a1bf0aea8d28bb9c07753e8c05aedb2389d30a3f733378f0b83ff3329ad","first_computed_at":"2026-05-18T01:40:12.438125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:12.438125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jMi4TxnHV82VXCsl4NS43B/6sjXqBM3P35c3XR1Nc50xIHacC/pjb7hbDDRCTwBFyizWwOcrbiZpgUbNlYbBCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:12.438747Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9911143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85ddeba1c654e57edbb2933a245192f7bbf098ece6f9c2594953786dc25583c5","sha256:217248636b38d8b8bbe6c78740e01e76c84b10ebe7c2558e4975ae712247a4cf"],"state_sha256":"2e52ef4833a1e3e90d34a66003a8150d1ea637737c7253c8e82fe217ccf8ed53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PO1wIt7NDujbOZMkHdc8+z4tR+QMCGjEHSSuvEc49c2fckDh/b0HCdRO+x7oWOJ8g3Dx/uFKtKQb2p13cG4oDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T06:59:56.096329Z","bundle_sha256":"a4fa60d30b927fefc00fa6105316038fd80a7a2cda3d68d8bd1489a5a1132b9c"}}