{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:FY5QOVSZZN5TLMQASM3RWXP6FD","short_pith_number":"pith:FY5QOVSZ","canonical_record":{"source":{"id":"astro-ph/9912462","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-22T11:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"7f8011fc817fa00c012dd22999bcb341d8ec86b1dfc267837ac8e0e3b5aa50a1","abstract_canon_sha256":"36fba9e0fcdd43a8e39bed9a27e2dabcf06ea6148010a9c14c2ada3113a2a188"},"schema_version":"1.0"},"canonical_sha256":"2e3b075659cb7b35b20093371b5dfe28c1bbf6804dc767a02b3cf4510a49e048","source":{"kind":"arxiv","id":"astro-ph/9912462","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9912462","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9912462v1","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9912462","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"pith_short_12","alias_value":"FY5QOVSZZN5T","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"pith_short_16","alias_value":"FY5QOVSZZN5TLMQA","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"pith_short_8","alias_value":"FY5QOVSZ","created_at":"2026-07-04T14:17:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:FY5QOVSZZN5TLMQASM3RWXP6FD","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9912462","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-22T11:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"7f8011fc817fa00c012dd22999bcb341d8ec86b1dfc267837ac8e0e3b5aa50a1","abstract_canon_sha256":"36fba9e0fcdd43a8e39bed9a27e2dabcf06ea6148010a9c14c2ada3113a2a188"},"schema_version":"1.0"},"canonical_sha256":"2e3b075659cb7b35b20093371b5dfe28c1bbf6804dc767a02b3cf4510a49e048","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:17:26.937242Z","signature_b64":"cpN7wA83t6m2tzakpB46jiI/FnB2rt3M8d9OQEd7JHfB6hoOTBC1JZRzKaYG3AU73jv2m7w90bMi8u1yE8gyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e3b075659cb7b35b20093371b5dfe28c1bbf6804dc767a02b3cf4510a49e048","last_reissued_at":"2026-07-04T14:17:26.936846Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:17:26.936846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9912462","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":"2026-07-04T14:17:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kt66kpeSnUpvm1kUX7DQayKbuid6oZYE39F9MMVYKep3WqCg5dShxtL/skMMDOXFkhbDpWMm8XORZulP3beeCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:39:53.153321Z"},"content_sha256":"e5547ad33654c4f678b23fa68a85fa362582324e52f32c7ade998fb08fc8f313","schema_version":"1.0","event_id":"sha256:e5547ad33654c4f678b23fa68a85fa362582324e52f32c7ade998fb08fc8f313"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:FY5QOVSZZN5TLMQASM3RWXP6FD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The corona of the dMe flare star AD Leo","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Fabio Favata, F. Reale, G. Micela","submitted_at":"1999-12-22T11:00:44Z","abstract_excerpt":"We have studied the X-ray emission (both the quiescent component and the flares) of the dM3e star AD Leo, analyzing the Einstein IPC, ROSAT PSPC and ASCA SIS observations. Using a consistent method which explicitly considers sustained heating we have analyzed six flares with sufficient statistics, deriving constraints on the physical parameters of the flaring regions. In all cases the flaring loops are likely compact (L approx 0.3 R*), and confined to a rather narrow range of sizes, incompatible with the large (L >= R*) tenuous loops claimed by previous analyses of flares on AD Leo and other s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9912462","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9912462/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:17:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"faeHbj6sw/shOm64YbJcfGryAd+yWB6BDPItgnEhOhBSAJoZp+XZVXX/0PG19bTnukmVrhGQbSbaiDylpvs+Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:39:53.153825Z"},"content_sha256":"6fb8eebb0c023dd951696d6c2eb509a164b0a471138f6c618df0387d58a067e2","schema_version":"1.0","event_id":"sha256:6fb8eebb0c023dd951696d6c2eb509a164b0a471138f6c618df0387d58a067e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FY5QOVSZZN5TLMQASM3RWXP6FD/bundle.json","state_url":"https://pith.science/pith/FY5QOVSZZN5TLMQASM3RWXP6FD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FY5QOVSZZN5TLMQASM3RWXP6FD/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":"2026-08-11T11:39:53Z","links":{"resolver":"https://pith.science/pith/FY5QOVSZZN5TLMQASM3RWXP6FD","bundle":"https://pith.science/pith/FY5QOVSZZN5TLMQASM3RWXP6FD/bundle.json","state":"https://pith.science/pith/FY5QOVSZZN5TLMQASM3RWXP6FD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FY5QOVSZZN5TLMQASM3RWXP6FD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:FY5QOVSZZN5TLMQASM3RWXP6FD","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":"36fba9e0fcdd43a8e39bed9a27e2dabcf06ea6148010a9c14c2ada3113a2a188","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-22T11:00:44Z","title_canon_sha256":"7f8011fc817fa00c012dd22999bcb341d8ec86b1dfc267837ac8e0e3b5aa50a1"},"schema_version":"1.0","source":{"id":"astro-ph/9912462","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9912462","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9912462v1","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9912462","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"pith_short_12","alias_value":"FY5QOVSZZN5T","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"pith_short_16","alias_value":"FY5QOVSZZN5TLMQA","created_at":"2026-07-04T14:17:26Z"},{"alias_kind":"pith_short_8","alias_value":"FY5QOVSZ","created_at":"2026-07-04T14:17:26Z"}],"graph_snapshots":[{"event_id":"sha256:6fb8eebb0c023dd951696d6c2eb509a164b0a471138f6c618df0387d58a067e2","target":"graph","created_at":"2026-07-04T14:17:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/9912462/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have studied the X-ray emission (both the quiescent component and the flares) of the dM3e star AD Leo, analyzing the Einstein IPC, ROSAT PSPC and ASCA SIS observations. Using a consistent method which explicitly considers sustained heating we have analyzed six flares with sufficient statistics, deriving constraints on the physical parameters of the flaring regions. In all cases the flaring loops are likely compact (L approx 0.3 R*), and confined to a rather narrow range of sizes, incompatible with the large (L >= R*) tenuous loops claimed by previous analyses of flares on AD Leo and other s","authors_text":"Fabio Favata, F. Reale, G. Micela","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-12-22T11:00:44Z","title":"The corona of the dMe flare star AD Leo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9912462","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:e5547ad33654c4f678b23fa68a85fa362582324e52f32c7ade998fb08fc8f313","target":"record","created_at":"2026-07-04T14:17:26Z","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":"36fba9e0fcdd43a8e39bed9a27e2dabcf06ea6148010a9c14c2ada3113a2a188","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-22T11:00:44Z","title_canon_sha256":"7f8011fc817fa00c012dd22999bcb341d8ec86b1dfc267837ac8e0e3b5aa50a1"},"schema_version":"1.0","source":{"id":"astro-ph/9912462","kind":"arxiv","version":1}},"canonical_sha256":"2e3b075659cb7b35b20093371b5dfe28c1bbf6804dc767a02b3cf4510a49e048","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e3b075659cb7b35b20093371b5dfe28c1bbf6804dc767a02b3cf4510a49e048","first_computed_at":"2026-07-04T14:17:26.936846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:17:26.936846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cpN7wA83t6m2tzakpB46jiI/FnB2rt3M8d9OQEd7JHfB6hoOTBC1JZRzKaYG3AU73jv2m7w90bMi8u1yE8gyCA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:17:26.937242Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9912462","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5547ad33654c4f678b23fa68a85fa362582324e52f32c7ade998fb08fc8f313","sha256:6fb8eebb0c023dd951696d6c2eb509a164b0a471138f6c618df0387d58a067e2"],"state_sha256":"533cf07ad1a97af0f86c05c7b2e3930cf4bf67215ac2c1feb2b029a279a010a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q/9AkDzputVUsWjiV0IWK2AMT/hPJD1z+Keh+Z9jzjr0vVXx7rmOv0NL5wamVXARO6L17+H2Jdql9vNatZddDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T11:39:53.158669Z","bundle_sha256":"3cbc501e78dae1261c49ac459670077e6d565e15746b308ef27a5b1d9fb41fbc"}}