{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:FOWTHI6TTET2NYUYG7Q6C43H4F","short_pith_number":"pith:FOWTHI6T","canonical_record":{"source":{"id":"astro-ph/9304008","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1993-04-07T23:55:45Z","cross_cats_sorted":[],"title_canon_sha256":"5c80140c90201f1d949e879e60013d714049fe8d81a31c483b1ea945055db9b2","abstract_canon_sha256":"e59a87d8784755d4536d20de4ff186000652aa26cdf97e813ce58a19079f3298"},"schema_version":"1.0"},"canonical_sha256":"2bad33a3d39927a6e29837e1e17367e1658f4d332925fa21da2727d7d1a8e9af","source":{"kind":"arxiv","id":"astro-ph/9304008","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9304008","created_at":"2026-05-18T01:40:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9304008v1","created_at":"2026-05-18T01:40:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9304008","created_at":"2026-05-18T01:40:26Z"},{"alias_kind":"pith_short_12","alias_value":"FOWTHI6TTET2","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"FOWTHI6TTET2NYUY","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"FOWTHI6T","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:FOWTHI6TTET2NYUYG7Q6C43H4F","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9304008","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1993-04-07T23:55:45Z","cross_cats_sorted":[],"title_canon_sha256":"5c80140c90201f1d949e879e60013d714049fe8d81a31c483b1ea945055db9b2","abstract_canon_sha256":"e59a87d8784755d4536d20de4ff186000652aa26cdf97e813ce58a19079f3298"},"schema_version":"1.0"},"canonical_sha256":"2bad33a3d39927a6e29837e1e17367e1658f4d332925fa21da2727d7d1a8e9af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:26.737729Z","signature_b64":"sF00J+33A8NPl+yAVA9saln4vHWIx9mG7vD4gd58ihgt5/vakgLUYWFPvtJUYThKRs7olWaQVVrwvKhbr334Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bad33a3d39927a6e29837e1e17367e1658f4d332925fa21da2727d7d1a8e9af","last_reissued_at":"2026-05-18T01:40:26.737095Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:26.737095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9304008","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":"2026-05-18T01:40:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Be1tPWvO3Zu0ppdWPSUhcOLiXDO8wHbggsc1lmc1czn3CXnNJE81lne8zAB9c5eJ6e/uvULvf1YprCbXsdGkBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:47:52.232360Z"},"content_sha256":"307ce1c99868492dd5b07472739878531cf30fbbac6a6c72fc4b5e5be9d2e9c3","schema_version":"1.0","event_id":"sha256:307ce1c99868492dd5b07472739878531cf30fbbac6a6c72fc4b5e5be9d2e9c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:FOWTHI6TTET2NYUYG7Q6C43H4F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 9 Aurigae System","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Aspin, C. F. Claver, D. R. Skillman, E. F. Guinan, H. Akazawa, H. J. Landis, K. D. Luedeke, K. Krisciunas, N. Ohkura, O. Ohshima, T. R. Geballe","submitted_at":"1993-04-07T23:55:45Z","abstract_excerpt":"The F0 V star 9 Aur A exhibits an irregular variability of amplitude $\\approx $0.1 magnitude at optical wavelengths. The variations are too slow for it to be a $\\delta$ Scuti-type star. There is no evidence for a close, interacting companion or ring of dust, either from infrared, ultraviolet, or speckle data. The photometric variability of 9 Aur A is similar to two other early F dwarf stars: $\\gamma$ Doradus and HD 96008. 9 Aur B appears to be an M dwarf, 9 Aur C is an early- to mid-K dwarf star, and 9 Aur E, if it is a member of the system, probably is a normal white dwarf. 9 Aur D is most li"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9304008","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":"2026-05-18T01:40:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8w6Ngp7Ga9EErCKN1ZxCMjDEMB18hncxVg5dRqv/umcd/5eM6u7sWP6MiKcRmWA2mC29QNDqO8ZohmMHAgdtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:47:52.232720Z"},"content_sha256":"d1270afd47a7395161c9f0ac009bc2a4efb59a285548fd7a4a6e12d7de8bcb21","schema_version":"1.0","event_id":"sha256:d1270afd47a7395161c9f0ac009bc2a4efb59a285548fd7a4a6e12d7de8bcb21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FOWTHI6TTET2NYUYG7Q6C43H4F/bundle.json","state_url":"https://pith.science/pith/FOWTHI6TTET2NYUYG7Q6C43H4F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FOWTHI6TTET2NYUYG7Q6C43H4F/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":"2026-06-01T13:47:52Z","links":{"resolver":"https://pith.science/pith/FOWTHI6TTET2NYUYG7Q6C43H4F","bundle":"https://pith.science/pith/FOWTHI6TTET2NYUYG7Q6C43H4F/bundle.json","state":"https://pith.science/pith/FOWTHI6TTET2NYUYG7Q6C43H4F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FOWTHI6TTET2NYUYG7Q6C43H4F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:FOWTHI6TTET2NYUYG7Q6C43H4F","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":"e59a87d8784755d4536d20de4ff186000652aa26cdf97e813ce58a19079f3298","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1993-04-07T23:55:45Z","title_canon_sha256":"5c80140c90201f1d949e879e60013d714049fe8d81a31c483b1ea945055db9b2"},"schema_version":"1.0","source":{"id":"astro-ph/9304008","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9304008","created_at":"2026-05-18T01:40:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9304008v1","created_at":"2026-05-18T01:40:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9304008","created_at":"2026-05-18T01:40:26Z"},{"alias_kind":"pith_short_12","alias_value":"FOWTHI6TTET2","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"FOWTHI6TTET2NYUY","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"FOWTHI6T","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:d1270afd47a7395161c9f0ac009bc2a4efb59a285548fd7a4a6e12d7de8bcb21","target":"graph","created_at":"2026-05-18T01:40:26Z","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"},"paper":{"abstract_excerpt":"The F0 V star 9 Aur A exhibits an irregular variability of amplitude $\\approx $0.1 magnitude at optical wavelengths. The variations are too slow for it to be a $\\delta$ Scuti-type star. There is no evidence for a close, interacting companion or ring of dust, either from infrared, ultraviolet, or speckle data. The photometric variability of 9 Aur A is similar to two other early F dwarf stars: $\\gamma$ Doradus and HD 96008. 9 Aur B appears to be an M dwarf, 9 Aur C is an early- to mid-K dwarf star, and 9 Aur E, if it is a member of the system, probably is a normal white dwarf. 9 Aur D is most li","authors_text":"C. Aspin, C. F. Claver, D. R. Skillman, E. F. Guinan, H. Akazawa, H. J. Landis, K. D. Luedeke, K. Krisciunas, N. Ohkura, O. Ohshima, T. R. Geballe","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1993-04-07T23:55:45Z","title":"The 9 Aurigae System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9304008","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":"sha256:307ce1c99868492dd5b07472739878531cf30fbbac6a6c72fc4b5e5be9d2e9c3","target":"record","created_at":"2026-05-18T01:40:26Z","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":"e59a87d8784755d4536d20de4ff186000652aa26cdf97e813ce58a19079f3298","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1993-04-07T23:55:45Z","title_canon_sha256":"5c80140c90201f1d949e879e60013d714049fe8d81a31c483b1ea945055db9b2"},"schema_version":"1.0","source":{"id":"astro-ph/9304008","kind":"arxiv","version":1}},"canonical_sha256":"2bad33a3d39927a6e29837e1e17367e1658f4d332925fa21da2727d7d1a8e9af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bad33a3d39927a6e29837e1e17367e1658f4d332925fa21da2727d7d1a8e9af","first_computed_at":"2026-05-18T01:40:26.737095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:26.737095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sF00J+33A8NPl+yAVA9saln4vHWIx9mG7vD4gd58ihgt5/vakgLUYWFPvtJUYThKRs7olWaQVVrwvKhbr334Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:26.737729Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9304008","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:307ce1c99868492dd5b07472739878531cf30fbbac6a6c72fc4b5e5be9d2e9c3","sha256:d1270afd47a7395161c9f0ac009bc2a4efb59a285548fd7a4a6e12d7de8bcb21"],"state_sha256":"642742d668d086c8da49c1bf2dee7ed58011ed648f708c5748fadbe72b5e58a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"islU9EeK7G7zISux6fiZ1uDMBBjnrGCjZEFN4O2AOW18wFLPQ/SlGgPBRuTDM4kC3+a17ILNpX5xgr0hLu4ZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:47:52.234749Z","bundle_sha256":"9522ed2216d7ff294032c951b5fc605cb38784fc342472526ae4229967f34e47"}}