{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:AURFS4ZENDOTQDQ4OKDHAD4HUH","short_pith_number":"pith:AURFS4ZE","canonical_record":{"source":{"id":"1810.07298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-16T22:34:27Z","cross_cats_sorted":[],"title_canon_sha256":"2c068ac4061b493f3847ff3dae777a5852e1f7e805c26d995dc92bc9563b9b21","abstract_canon_sha256":"fd69c3084e0c04bb464114f9d17709014de95e47e86c8ae76064cfac40486108"},"schema_version":"1.0"},"canonical_sha256":"052259732468dd380e1c7286700f87a1fcfc56477a6d55609f2f230f9b588d5e","source":{"kind":"arxiv","id":"1810.07298","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07298","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07298v2","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07298","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"AURFS4ZENDOT","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AURFS4ZENDOTQDQ4","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AURFS4ZE","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:AURFS4ZENDOTQDQ4OKDHAD4HUH","target":"record","payload":{"canonical_record":{"source":{"id":"1810.07298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-16T22:34:27Z","cross_cats_sorted":[],"title_canon_sha256":"2c068ac4061b493f3847ff3dae777a5852e1f7e805c26d995dc92bc9563b9b21","abstract_canon_sha256":"fd69c3084e0c04bb464114f9d17709014de95e47e86c8ae76064cfac40486108"},"schema_version":"1.0"},"canonical_sha256":"052259732468dd380e1c7286700f87a1fcfc56477a6d55609f2f230f9b588d5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:37.076649Z","signature_b64":"u0/wpVLE8lz4ljBP8IsanQAGI0b8MAJdXMmx+GoiU/ePJhSfCd2LjHt86Ne0Oki9Mi7NzrWCJhFCEwlo4JLGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"052259732468dd380e1c7286700f87a1fcfc56477a6d55609f2f230f9b588d5e","last_reissued_at":"2026-05-17T23:58:37.075924Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:37.075924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.07298","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lcl/vR/1Jfn1XDkooMSxfnGtxT0QHvwOlB9jhvYQvjfKY9BoxKlAGVKqzqwRS84IHLAiLQIA/61b6OsaXSqaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:11:23.263568Z"},"content_sha256":"17f51fa9ee0ecaaf8e69d5cc5bb0d4422982a5fceb5d23f350d67e308f01400e","schema_version":"1.0","event_id":"sha256:17f51fa9ee0ecaaf8e69d5cc5bb0d4422982a5fceb5d23f350d67e308f01400e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:AURFS4ZENDOTQDQ4OKDHAD4HUH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Search For Pulsations in the Optical Light Curve of the Nova ASASSN-17hx","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Brian D. Metzger, Gregg Hallinan, Ken J. Shen, Laura Chomiuk, Lee J. Rosenthal, Navtej Singh, Raffaella Margutti","submitted_at":"2018-10-16T22:34:27Z","abstract_excerpt":"We present high-speed optical observations of the nova ASASSN-17hx, taken both immediately after its discovery and close to its first peak in brightness, to search for seconds -- minutes pulsations associated with the convective eddy turnover timescale within the nova envelope. We do not detect any periodic signal with greater than $3\\sigma$ significance. Through injection and recovery, we rule out periodic signals of fractional amplitude $>7.08\\times10^{-4}$ on timescales of 2 seconds and fractional amplitude $>1.06\\times10^{-3}$ on timescales of 10 minutes. Additional observations of novae a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07298","kind":"arxiv","version":2},"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":"2026-05-17T23:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w9D0nOfpuGiVnkTeNqcqIQHjsWOp3tkOld0D6RfRLGyKIPWo4cnKaKWimN22QrQPxVtTkKia1RaK8S0b3XFCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:11:23.264286Z"},"content_sha256":"f0bf89d8f2fa7f477a233a955d25eb69b30e7b54e8aeb4e3b1521b4ba1a19ead","schema_version":"1.0","event_id":"sha256:f0bf89d8f2fa7f477a233a955d25eb69b30e7b54e8aeb4e3b1521b4ba1a19ead"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH/bundle.json","state_url":"https://pith.science/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH/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":"2026-05-25T11:11:23Z","links":{"resolver":"https://pith.science/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH","bundle":"https://pith.science/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH/bundle.json","state":"https://pith.science/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AURFS4ZENDOTQDQ4OKDHAD4HUH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AURFS4ZENDOTQDQ4OKDHAD4HUH","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":"fd69c3084e0c04bb464114f9d17709014de95e47e86c8ae76064cfac40486108","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-16T22:34:27Z","title_canon_sha256":"2c068ac4061b493f3847ff3dae777a5852e1f7e805c26d995dc92bc9563b9b21"},"schema_version":"1.0","source":{"id":"1810.07298","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07298","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07298v2","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07298","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"AURFS4ZENDOT","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AURFS4ZENDOTQDQ4","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AURFS4ZE","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:f0bf89d8f2fa7f477a233a955d25eb69b30e7b54e8aeb4e3b1521b4ba1a19ead","target":"graph","created_at":"2026-05-17T23:58:37Z","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 high-speed optical observations of the nova ASASSN-17hx, taken both immediately after its discovery and close to its first peak in brightness, to search for seconds -- minutes pulsations associated with the convective eddy turnover timescale within the nova envelope. We do not detect any periodic signal with greater than $3\\sigma$ significance. Through injection and recovery, we rule out periodic signals of fractional amplitude $>7.08\\times10^{-4}$ on timescales of 2 seconds and fractional amplitude $>1.06\\times10^{-3}$ on timescales of 10 minutes. Additional observations of novae a","authors_text":"Brian D. Metzger, Gregg Hallinan, Ken J. Shen, Laura Chomiuk, Lee J. Rosenthal, Navtej Singh, Raffaella Margutti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-16T22:34:27Z","title":"A Search For Pulsations in the Optical Light Curve of the Nova ASASSN-17hx"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07298","kind":"arxiv","version":2},"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":"sha256:17f51fa9ee0ecaaf8e69d5cc5bb0d4422982a5fceb5d23f350d67e308f01400e","target":"record","created_at":"2026-05-17T23:58:37Z","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":"fd69c3084e0c04bb464114f9d17709014de95e47e86c8ae76064cfac40486108","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-16T22:34:27Z","title_canon_sha256":"2c068ac4061b493f3847ff3dae777a5852e1f7e805c26d995dc92bc9563b9b21"},"schema_version":"1.0","source":{"id":"1810.07298","kind":"arxiv","version":2}},"canonical_sha256":"052259732468dd380e1c7286700f87a1fcfc56477a6d55609f2f230f9b588d5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"052259732468dd380e1c7286700f87a1fcfc56477a6d55609f2f230f9b588d5e","first_computed_at":"2026-05-17T23:58:37.075924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:37.075924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u0/wpVLE8lz4ljBP8IsanQAGI0b8MAJdXMmx+GoiU/ePJhSfCd2LjHt86Ne0Oki9Mi7NzrWCJhFCEwlo4JLGBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:37.076649Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.07298","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17f51fa9ee0ecaaf8e69d5cc5bb0d4422982a5fceb5d23f350d67e308f01400e","sha256:f0bf89d8f2fa7f477a233a955d25eb69b30e7b54e8aeb4e3b1521b4ba1a19ead"],"state_sha256":"bd88454efcf5659d002875d6b47dd93f5417f1767ec6eb239f23961702add611"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EXE90XtFdq6Pkr0Jzq+OrKBBaaeM/dTomiBgPRRGDbxigXC10pr12vbr6DUw6F9+XQp6JfWXfZVC1eEXQRSbDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:11:23.268190Z","bundle_sha256":"cf0f1d3767b4bbfd6da0a909c74a7397d9b2a44e6884dfbd4638265166aaeeea"}}