{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:LAAW4ZQGUSC6HMT4WVQJVUURFZ","short_pith_number":"pith:LAAW4ZQG","canonical_record":{"source":{"id":"0905.0325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-05-04T08:42:05Z","cross_cats_sorted":[],"title_canon_sha256":"c139844e68d31df2e69fdebaf36d81b8e0a42de6c7b691950ae3265600b31233","abstract_canon_sha256":"810e302a59d2e5a1f89e26af28209fbb16208e44a3db575ac8e676bbd971ad61"},"schema_version":"1.0"},"canonical_sha256":"58016e6606a485e3b27cb5609ad2912e6927071f8655d9a0cb385b7d9183f66a","source":{"kind":"arxiv","id":"0905.0325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0325","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0325v1","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0325","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"pith_short_12","alias_value":"LAAW4ZQGUSC6","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"LAAW4ZQGUSC6HMT4","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"LAAW4ZQG","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:LAAW4ZQGUSC6HMT4WVQJVUURFZ","target":"record","payload":{"canonical_record":{"source":{"id":"0905.0325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-05-04T08:42:05Z","cross_cats_sorted":[],"title_canon_sha256":"c139844e68d31df2e69fdebaf36d81b8e0a42de6c7b691950ae3265600b31233","abstract_canon_sha256":"810e302a59d2e5a1f89e26af28209fbb16208e44a3db575ac8e676bbd971ad61"},"schema_version":"1.0"},"canonical_sha256":"58016e6606a485e3b27cb5609ad2912e6927071f8655d9a0cb385b7d9183f66a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:48.006879Z","signature_b64":"szuo4PAdcLHAtY9fix1Ok5RVBwPbjPPOlJdlB+YJNP98oOR71zhHXJDaMyP8bMC+ZwsnlSh8aiiC5ixheVunDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58016e6606a485e3b27cb5609ad2912e6927071f8655d9a0cb385b7d9183f66a","last_reissued_at":"2026-05-18T02:13:48.006061Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:48.006061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.0325","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":"2026-05-18T02:13:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FrjiQ6AgqqxhHtrbEAQlAI3xjSim3u/fGKnQfUnUKb0w7p9iXwio4N8GjpFI8vVkppzu21zZyQq1OQus7aygDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:58:04.841709Z"},"content_sha256":"ac8b76231f141b9c6f963204c1a0d4f8a48b779790f8576c5c8bfbd8ef75dea2","schema_version":"1.0","event_id":"sha256:ac8b76231f141b9c6f963204c1a0d4f8a48b779790f8576c5c8bfbd8ef75dea2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:LAAW4ZQGUSC6HMT4WVQJVUURFZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The eclipsing Intermediate Polar V597 Pup (Nova Puppis 2007)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Brian Warner, Patrick A. Woudt","submitted_at":"2009-05-04T08:42:05Z","abstract_excerpt":"Photometric observations of V597 Pup made in 2008, 9.1 mag below maximum, 4 months after eruption, showed no certain orbital modulation but exhibited a quintuplet of oscillations centred on a period 261.9 s and uniform splitting at a frequency ~2.68 h^{-1}. One year later the system had fallen in brightness by a further 2.5 mag, showed deep eclipses with a period of 2.6687 h, and the 261.9 s modulation at a reduced amplitude. There is often power near the `subharmonic' at 524 s, showing that the shorter periods observed are actually first harmonics.\n  V597 Pup is thus an intermediate polar and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0325","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":"2026-05-18T02:13:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v1xmqK0ZzId4mDFfniDsn+ktCMo7mwWktNuIp4XIuHqnDRdAD7Ui8V2Yxwl4oEDiSKplPzlDlfT6sbjnFL1iCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:58:04.842425Z"},"content_sha256":"69b194c53f13a4caedbccabc73bcadb8de5afeb756a3eae2b0f1e9ec8ab5f9f9","schema_version":"1.0","event_id":"sha256:69b194c53f13a4caedbccabc73bcadb8de5afeb756a3eae2b0f1e9ec8ab5f9f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ/bundle.json","state_url":"https://pith.science/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ/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":"2026-06-08T15:58:04Z","links":{"resolver":"https://pith.science/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ","bundle":"https://pith.science/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ/bundle.json","state":"https://pith.science/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LAAW4ZQGUSC6HMT4WVQJVUURFZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:LAAW4ZQGUSC6HMT4WVQJVUURFZ","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":"810e302a59d2e5a1f89e26af28209fbb16208e44a3db575ac8e676bbd971ad61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-05-04T08:42:05Z","title_canon_sha256":"c139844e68d31df2e69fdebaf36d81b8e0a42de6c7b691950ae3265600b31233"},"schema_version":"1.0","source":{"id":"0905.0325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0325","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0325v1","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0325","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"pith_short_12","alias_value":"LAAW4ZQGUSC6","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"LAAW4ZQGUSC6HMT4","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"LAAW4ZQG","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:69b194c53f13a4caedbccabc73bcadb8de5afeb756a3eae2b0f1e9ec8ab5f9f9","target":"graph","created_at":"2026-05-18T02:13:48Z","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":"Photometric observations of V597 Pup made in 2008, 9.1 mag below maximum, 4 months after eruption, showed no certain orbital modulation but exhibited a quintuplet of oscillations centred on a period 261.9 s and uniform splitting at a frequency ~2.68 h^{-1}. One year later the system had fallen in brightness by a further 2.5 mag, showed deep eclipses with a period of 2.6687 h, and the 261.9 s modulation at a reduced amplitude. There is often power near the `subharmonic' at 524 s, showing that the shorter periods observed are actually first harmonics.\n  V597 Pup is thus an intermediate polar and","authors_text":"Brian Warner, Patrick A. Woudt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-05-04T08:42:05Z","title":"The eclipsing Intermediate Polar V597 Pup (Nova Puppis 2007)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0325","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:ac8b76231f141b9c6f963204c1a0d4f8a48b779790f8576c5c8bfbd8ef75dea2","target":"record","created_at":"2026-05-18T02:13:48Z","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":"810e302a59d2e5a1f89e26af28209fbb16208e44a3db575ac8e676bbd971ad61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-05-04T08:42:05Z","title_canon_sha256":"c139844e68d31df2e69fdebaf36d81b8e0a42de6c7b691950ae3265600b31233"},"schema_version":"1.0","source":{"id":"0905.0325","kind":"arxiv","version":1}},"canonical_sha256":"58016e6606a485e3b27cb5609ad2912e6927071f8655d9a0cb385b7d9183f66a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58016e6606a485e3b27cb5609ad2912e6927071f8655d9a0cb385b7d9183f66a","first_computed_at":"2026-05-18T02:13:48.006061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:48.006061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"szuo4PAdcLHAtY9fix1Ok5RVBwPbjPPOlJdlB+YJNP98oOR71zhHXJDaMyP8bMC+ZwsnlSh8aiiC5ixheVunDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:48.006879Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.0325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac8b76231f141b9c6f963204c1a0d4f8a48b779790f8576c5c8bfbd8ef75dea2","sha256:69b194c53f13a4caedbccabc73bcadb8de5afeb756a3eae2b0f1e9ec8ab5f9f9"],"state_sha256":"96662b6f1ef79503173d8baaaad7d08595f35152279f2f2da611701712422df3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tn2GSponcIxG75lBIPQ44kHQAx2G/pzm79zE47MYPAw03q2CBahgmE9OkxRj6avYQ7OsHzenkLGcMQOmHJ1lCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:58:04.846153Z","bundle_sha256":"7c7db1d4753e3dbff3e7205e1436fe208b3c4f7ec6bd29a0e46f99fec7e9b9dc"}}