{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MDUP7L637NFGPLCKEPQ6MUFCK5","short_pith_number":"pith:MDUP7L63","canonical_record":{"source":{"id":"1706.04005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-13T11:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"40465473ace1d933cfb692f569a92d68e1aace1029fe7e4eee1c01792c29f590","abstract_canon_sha256":"509b66fb7f23993c22ce48535414c55e7d2f01af7b3c9cc011b5fc2c1d7da300"},"schema_version":"1.0"},"canonical_sha256":"60e8ffafdbfb4a67ac4a23e1e650a2575cb48655c4b2bca009b463e5fb06180f","source":{"kind":"arxiv","id":"1706.04005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.04005","created_at":"2026-05-18T00:38:51Z"},{"alias_kind":"arxiv_version","alias_value":"1706.04005v1","created_at":"2026-05-18T00:38:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.04005","created_at":"2026-05-18T00:38:51Z"},{"alias_kind":"pith_short_12","alias_value":"MDUP7L637NFG","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MDUP7L637NFGPLCK","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MDUP7L63","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MDUP7L637NFGPLCKEPQ6MUFCK5","target":"record","payload":{"canonical_record":{"source":{"id":"1706.04005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-13T11:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"40465473ace1d933cfb692f569a92d68e1aace1029fe7e4eee1c01792c29f590","abstract_canon_sha256":"509b66fb7f23993c22ce48535414c55e7d2f01af7b3c9cc011b5fc2c1d7da300"},"schema_version":"1.0"},"canonical_sha256":"60e8ffafdbfb4a67ac4a23e1e650a2575cb48655c4b2bca009b463e5fb06180f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:51.301087Z","signature_b64":"T434vupCC2EjrzafglbLmAD4ENZ38LHVSDOdpUFuxhirZ+2eDKGTv9NAy3GyNqN6gAysWkLJxeGhx6WSOULNAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60e8ffafdbfb4a67ac4a23e1e650a2575cb48655c4b2bca009b463e5fb06180f","last_reissued_at":"2026-05-18T00:38:51.300446Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:51.300446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.04005","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":"2026-05-18T00:38:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"89J+lXEg8cKA6XnDYhAUSsZmB5Csr9ohM/yDWIn3l/AsNw4TKfUAePvMAQcC7Xz+3pQr2ktl2OUjuuJb5qfxDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:53:28.007716Z"},"content_sha256":"7e53c35e90aba1b0b130926393ccfdd712b9feddbbd8fb7c6878ca54372d4c7f","schema_version":"1.0","event_id":"sha256:7e53c35e90aba1b0b130926393ccfdd712b9feddbbd8fb7c6878ca54372d4c7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MDUP7L637NFGPLCKEPQ6MUFCK5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broad-band characteristics of seven new hard X-ray selected cataclysmic variables","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. Ferrigno, D. de Martino, D. M. Russell, F. Bernardini, G. Israel, K. Mukai, M. Falanga, N. Masetti","submitted_at":"2017-06-13T11:19:35Z","abstract_excerpt":"We present timing and spectral analysis of a sample of seven hard X-ray selected Cataclysmic Variable candidates based on simultaneous X-ray and optical observations collected with XMM-Newton , complemented with Swift/BAT and INTEGRAL/IBIS hard X-ray data and ground-based optical photometry. For six sources, X-ray pulsations are detected for the first time in the range $\\rm \\sim296-6098\\,s$, identifying them as members of the magnetic class. Swift J0927.7-6945, Swift J0958.0-4208, Swift J1701.3-4304, Swift J2113.5+5422, and possibly PBC J0801.2-4625, are Intermediate Polars (IPs), while Swift "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04005","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":"2026-05-18T00:38:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iq3JRhDUtzoKulw8MW7OC4Hx8NuZnAvQ79xu1eMNPM4ggm3922bUc3o2qx0SA1MVeP1YEmYZFlN4dKL1sFXJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:53:28.008441Z"},"content_sha256":"d3ce4d0111ca4664c813945d9711dc1cdad0c545acb2c0a55cf34cbc06c3da93","schema_version":"1.0","event_id":"sha256:d3ce4d0111ca4664c813945d9711dc1cdad0c545acb2c0a55cf34cbc06c3da93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MDUP7L637NFGPLCKEPQ6MUFCK5/bundle.json","state_url":"https://pith.science/pith/MDUP7L637NFGPLCKEPQ6MUFCK5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MDUP7L637NFGPLCKEPQ6MUFCK5/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":"2026-05-25T16:53:28Z","links":{"resolver":"https://pith.science/pith/MDUP7L637NFGPLCKEPQ6MUFCK5","bundle":"https://pith.science/pith/MDUP7L637NFGPLCKEPQ6MUFCK5/bundle.json","state":"https://pith.science/pith/MDUP7L637NFGPLCKEPQ6MUFCK5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MDUP7L637NFGPLCKEPQ6MUFCK5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MDUP7L637NFGPLCKEPQ6MUFCK5","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":"509b66fb7f23993c22ce48535414c55e7d2f01af7b3c9cc011b5fc2c1d7da300","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-13T11:19:35Z","title_canon_sha256":"40465473ace1d933cfb692f569a92d68e1aace1029fe7e4eee1c01792c29f590"},"schema_version":"1.0","source":{"id":"1706.04005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.04005","created_at":"2026-05-18T00:38:51Z"},{"alias_kind":"arxiv_version","alias_value":"1706.04005v1","created_at":"2026-05-18T00:38:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.04005","created_at":"2026-05-18T00:38:51Z"},{"alias_kind":"pith_short_12","alias_value":"MDUP7L637NFG","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MDUP7L637NFGPLCK","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MDUP7L63","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:d3ce4d0111ca4664c813945d9711dc1cdad0c545acb2c0a55cf34cbc06c3da93","target":"graph","created_at":"2026-05-18T00:38:51Z","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 present timing and spectral analysis of a sample of seven hard X-ray selected Cataclysmic Variable candidates based on simultaneous X-ray and optical observations collected with XMM-Newton , complemented with Swift/BAT and INTEGRAL/IBIS hard X-ray data and ground-based optical photometry. For six sources, X-ray pulsations are detected for the first time in the range $\\rm \\sim296-6098\\,s$, identifying them as members of the magnetic class. Swift J0927.7-6945, Swift J0958.0-4208, Swift J1701.3-4304, Swift J2113.5+5422, and possibly PBC J0801.2-4625, are Intermediate Polars (IPs), while Swift ","authors_text":"C. Ferrigno, D. de Martino, D. M. Russell, F. Bernardini, G. Israel, K. Mukai, M. Falanga, N. Masetti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-13T11:19:35Z","title":"Broad-band characteristics of seven new hard X-ray selected cataclysmic variables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04005","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":"sha256:7e53c35e90aba1b0b130926393ccfdd712b9feddbbd8fb7c6878ca54372d4c7f","target":"record","created_at":"2026-05-18T00:38:51Z","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":"509b66fb7f23993c22ce48535414c55e7d2f01af7b3c9cc011b5fc2c1d7da300","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-13T11:19:35Z","title_canon_sha256":"40465473ace1d933cfb692f569a92d68e1aace1029fe7e4eee1c01792c29f590"},"schema_version":"1.0","source":{"id":"1706.04005","kind":"arxiv","version":1}},"canonical_sha256":"60e8ffafdbfb4a67ac4a23e1e650a2575cb48655c4b2bca009b463e5fb06180f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60e8ffafdbfb4a67ac4a23e1e650a2575cb48655c4b2bca009b463e5fb06180f","first_computed_at":"2026-05-18T00:38:51.300446Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:51.300446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T434vupCC2EjrzafglbLmAD4ENZ38LHVSDOdpUFuxhirZ+2eDKGTv9NAy3GyNqN6gAysWkLJxeGhx6WSOULNAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:51.301087Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.04005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e53c35e90aba1b0b130926393ccfdd712b9feddbbd8fb7c6878ca54372d4c7f","sha256:d3ce4d0111ca4664c813945d9711dc1cdad0c545acb2c0a55cf34cbc06c3da93"],"state_sha256":"627deba1d2e92f60228f8521267701d981897e3f608ae0155ef1b3e97a8bbd32"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dZw0kAlcYbPOgvUf+Zb4Z9c6/jdhzlqAUhb7oHpXgLcoSqUzKhldD5CFT9TsD77iUxP+gQ4nxnfA9OF+uySJCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:53:28.012070Z","bundle_sha256":"33b114f5a7ead80dfe80e3b771326f606b8397f3f5b00f7f2062848b3605fbbd"}}