{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:CHMBOVJH6CNHK7MTOOOLOH3VPG","short_pith_number":"pith:CHMBOVJH","canonical_record":{"source":{"id":"astro-ph/0609245","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-09-08T18:56:52Z","cross_cats_sorted":[],"title_canon_sha256":"45f9b0fa4c932b429d671ccd5a9424facce32eecbf33d0dee9b52f51b0559f1e","abstract_canon_sha256":"292d0a84855c5cfb26cd5d21eff468eeb30494a7366e3f0a5194034f5ab0856f"},"schema_version":"1.0"},"canonical_sha256":"11d8175527f09a757d93739cb71f7579a314e6a6d3f29557e882ebdd06d34f44","source":{"kind":"arxiv","id":"astro-ph/0609245","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0609245","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0609245v1","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0609245","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"CHMBOVJH6CNH","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"CHMBOVJH6CNHK7MT","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"CHMBOVJH","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:CHMBOVJH6CNHK7MTOOOLOH3VPG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0609245","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-09-08T18:56:52Z","cross_cats_sorted":[],"title_canon_sha256":"45f9b0fa4c932b429d671ccd5a9424facce32eecbf33d0dee9b52f51b0559f1e","abstract_canon_sha256":"292d0a84855c5cfb26cd5d21eff468eeb30494a7366e3f0a5194034f5ab0856f"},"schema_version":"1.0"},"canonical_sha256":"11d8175527f09a757d93739cb71f7579a314e6a6d3f29557e882ebdd06d34f44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:29.727538Z","signature_b64":"+ANZmUvDbbZhx8HU58/VbutQJn4asReaqbzpAn2+B6X53cbTqFIT+E0W+4RuGhEX+EKkrlkCy5TEt6Fh77r6DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11d8175527f09a757d93739cb71f7579a314e6a6d3f29557e882ebdd06d34f44","last_reissued_at":"2026-05-18T01:40:29.726973Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:29.726973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0609245","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":"2026-05-18T01:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mjw5Uw7Ro43N+N2R2XxDQnh+lfiZMqIMDb73+qAFO7ZS66pLKhT49jANcaFpr5IzHbbU8bM4eBnCdTM9cEVjDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:11:03.960238Z"},"content_sha256":"4dbedf7a87a3dc86fe015669d8c00ac7e6beba7aa5d9a9d16bf310c627d8311c","schema_version":"1.0","event_id":"sha256:4dbedf7a87a3dc86fe015669d8c00ac7e6beba7aa5d9a9d16bf310c627d8311c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:CHMBOVJH6CNHK7MTOOOLOH3VPG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Apparent Hard X-ray Decline of CH Cygni","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), 2) ((1) NASA/GSFC, (2) USRA, (3) Tokyo Metropolitan University, (4) Kyoto University, (5) RIKEN), Caroline Kilbourne (1), Hideyuki Mori (4), Kai-Wing Chan (1, Koji Mukai (1, Manabu Ishida (3), Yang Soong (1, Yukikatsu Terada (5)","submitted_at":"2006-09-08T18:56:52Z","abstract_excerpt":"CH Cygni is a symbiotic star consisting of an M giant and an accreting white dwarf, which is known to be a highly variable X-ray source with a complex, two-component, spectra. Here we report on two Suzaku observations of CH Cyg, taken in 2006 January and May, during which the system was seen to be in a soft X-ray bright, hard X-ray faint state. Based on the extraordinary strength of the 6.4 keV fluorescent Fe K-alpha line, we show that the hard X-rays observed with Suzaku are dominated by scattering."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0609245","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":"2026-05-18T01:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SliN8qSOwVRwm6VJlsiq2+uRcDeH6sr419xMPu4BtWHSgnOE6lBcdJJTQ2HHCDUIa10zk15n0pst/Zwnbv3aDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:11:03.960790Z"},"content_sha256":"f730de67943d8d9a11797bfe647e0431f0b66890425d948d0fe51a115e9645a6","schema_version":"1.0","event_id":"sha256:f730de67943d8d9a11797bfe647e0431f0b66890425d948d0fe51a115e9645a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG/bundle.json","state_url":"https://pith.science/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG/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":"2026-05-31T20:11:03Z","links":{"resolver":"https://pith.science/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG","bundle":"https://pith.science/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG/bundle.json","state":"https://pith.science/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CHMBOVJH6CNHK7MTOOOLOH3VPG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:CHMBOVJH6CNHK7MTOOOLOH3VPG","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":"292d0a84855c5cfb26cd5d21eff468eeb30494a7366e3f0a5194034f5ab0856f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-09-08T18:56:52Z","title_canon_sha256":"45f9b0fa4c932b429d671ccd5a9424facce32eecbf33d0dee9b52f51b0559f1e"},"schema_version":"1.0","source":{"id":"astro-ph/0609245","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0609245","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0609245v1","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0609245","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"CHMBOVJH6CNH","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"CHMBOVJH6CNHK7MT","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"CHMBOVJH","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:f730de67943d8d9a11797bfe647e0431f0b66890425d948d0fe51a115e9645a6","target":"graph","created_at":"2026-05-18T01:40:29Z","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":"CH Cygni is a symbiotic star consisting of an M giant and an accreting white dwarf, which is known to be a highly variable X-ray source with a complex, two-component, spectra. Here we report on two Suzaku observations of CH Cyg, taken in 2006 January and May, during which the system was seen to be in a soft X-ray bright, hard X-ray faint state. Based on the extraordinary strength of the 6.4 keV fluorescent Fe K-alpha line, we show that the hard X-rays observed with Suzaku are dominated by scattering.","authors_text":"2), 2) ((1) NASA/GSFC, (2) USRA, (3) Tokyo Metropolitan University, (4) Kyoto University, (5) RIKEN), Caroline Kilbourne (1), Hideyuki Mori (4), Kai-Wing Chan (1, Koji Mukai (1, Manabu Ishida (3), Yang Soong (1, Yukikatsu Terada (5)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-09-08T18:56:52Z","title":"An Apparent Hard X-ray Decline of CH Cygni"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0609245","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":"sha256:4dbedf7a87a3dc86fe015669d8c00ac7e6beba7aa5d9a9d16bf310c627d8311c","target":"record","created_at":"2026-05-18T01:40:29Z","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":"292d0a84855c5cfb26cd5d21eff468eeb30494a7366e3f0a5194034f5ab0856f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-09-08T18:56:52Z","title_canon_sha256":"45f9b0fa4c932b429d671ccd5a9424facce32eecbf33d0dee9b52f51b0559f1e"},"schema_version":"1.0","source":{"id":"astro-ph/0609245","kind":"arxiv","version":1}},"canonical_sha256":"11d8175527f09a757d93739cb71f7579a314e6a6d3f29557e882ebdd06d34f44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11d8175527f09a757d93739cb71f7579a314e6a6d3f29557e882ebdd06d34f44","first_computed_at":"2026-05-18T01:40:29.726973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:29.726973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+ANZmUvDbbZhx8HU58/VbutQJn4asReaqbzpAn2+B6X53cbTqFIT+E0W+4RuGhEX+EKkrlkCy5TEt6Fh77r6DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:29.727538Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0609245","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4dbedf7a87a3dc86fe015669d8c00ac7e6beba7aa5d9a9d16bf310c627d8311c","sha256:f730de67943d8d9a11797bfe647e0431f0b66890425d948d0fe51a115e9645a6"],"state_sha256":"d1b8ee1a41e038ee9befccbc16836a5aa0e91aac107aa3d65caa452256c8fdae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"81gKF0CGuEZWa/dcuX/VRgvq9rtwZ0JYwRbbFL9qn53qIVWGaC1blqF7wtn9Mn/lEttDMpmGf6anipc8R4wVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:11:03.964406Z","bundle_sha256":"70412403e591fdf658a7fbd49e6fac51556fdad440f3729304470a616ed4f6bc"}}