{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MOYDAEPAQSEPSU3G3SVNDMR72M","short_pith_number":"pith:MOYDAEPA","canonical_record":{"source":{"id":"1902.09908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-26T13:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"9b8d671c0ae5ad5e0992609dff1082dc963ae7dc6c39d1f0818508d1b0f1c6a8","abstract_canon_sha256":"131ee84d0964b55aef6ab8cc79df8c510b82d30f843b234fdff7286bb42bac32"},"schema_version":"1.0"},"canonical_sha256":"63b03011e08488f95366dcaad1b23fd330800602bd633cdb171c123b34b4da2a","source":{"kind":"arxiv","id":"1902.09908","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09908","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09908v1","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09908","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"MOYDAEPAQSEP","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MOYDAEPAQSEPSU3G","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MOYDAEPA","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MOYDAEPAQSEPSU3G3SVNDMR72M","target":"record","payload":{"canonical_record":{"source":{"id":"1902.09908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-26T13:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"9b8d671c0ae5ad5e0992609dff1082dc963ae7dc6c39d1f0818508d1b0f1c6a8","abstract_canon_sha256":"131ee84d0964b55aef6ab8cc79df8c510b82d30f843b234fdff7286bb42bac32"},"schema_version":"1.0"},"canonical_sha256":"63b03011e08488f95366dcaad1b23fd330800602bd633cdb171c123b34b4da2a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:38.794760Z","signature_b64":"cATJweXhvyV6Idr0wXdFy43bR+Xfqgu8kWoosD6MFX7YDACdgR9N74MFvW/NN7UAOLzXWsotRz9bz1emtgjnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63b03011e08488f95366dcaad1b23fd330800602bd633cdb171c123b34b4da2a","last_reissued_at":"2026-05-17T23:49:38.794108Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:38.794108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.09908","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":"2026-05-17T23:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HtdV3EOLJHSVNSQf1fvlLIHb5wxBeuZznxhj58UNjQ4GqvrHz7e7JSTkjw5joOA5HbpyhJVtDVTwO3imwyR2AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:54:50.002361Z"},"content_sha256":"6af7c6c1203850175a156d90b787542f8fe6b5547cd8e2f9a029482c23312115","schema_version":"1.0","event_id":"sha256:6af7c6c1203850175a156d90b787542f8fe6b5547cd8e2f9a029482c23312115"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MOYDAEPAQSEPSU3G3SVNDMR72M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Axial Rotation and Variable Macroturbulence of RR Lyrae and Red Horizontal Branch Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Christopher Sneden, George W. Preston, Ian B. Thompson, Merieme Chadid, Stephen A. Shectman","submitted_at":"2019-02-26T13:03:29Z","abstract_excerpt":"We have derived relations between full-width-half-maxima and equivalent widths of metallic absorption lines in the spectra of RR~Lyrae stars to estimate new upper limits on the axial equatorial rotational velocities of RR~Lyrae and metal-poor red horizontal branch stars (RHB). We also have derived the variations of RR~Lyrae macroturbulent velocities during the pulsation cycles. In RRab cycles the line widths are dominated by phase-dependent convolutions of axial rotation and macroturbulence, which we designate as V_macrot. The behavior of V_macrot is remarkably uniform among the RRab stars, bu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09908","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":"2026-05-17T23:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97rNURgsSbF7BjkmiVKY0T6j0OPPQUIWzkolEwvNCoynfv5iEWIX2h0byeIVRk6gnzRkd0tN5Wg74NQAmYRKBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:54:50.002717Z"},"content_sha256":"51d84ae358d4917c00f6b020de800118a2caa6e489c625f4e6804cc48f862a6e","schema_version":"1.0","event_id":"sha256:51d84ae358d4917c00f6b020de800118a2caa6e489c625f4e6804cc48f862a6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MOYDAEPAQSEPSU3G3SVNDMR72M/bundle.json","state_url":"https://pith.science/pith/MOYDAEPAQSEPSU3G3SVNDMR72M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MOYDAEPAQSEPSU3G3SVNDMR72M/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":"2026-05-30T05:54:50Z","links":{"resolver":"https://pith.science/pith/MOYDAEPAQSEPSU3G3SVNDMR72M","bundle":"https://pith.science/pith/MOYDAEPAQSEPSU3G3SVNDMR72M/bundle.json","state":"https://pith.science/pith/MOYDAEPAQSEPSU3G3SVNDMR72M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MOYDAEPAQSEPSU3G3SVNDMR72M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MOYDAEPAQSEPSU3G3SVNDMR72M","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":"131ee84d0964b55aef6ab8cc79df8c510b82d30f843b234fdff7286bb42bac32","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-26T13:03:29Z","title_canon_sha256":"9b8d671c0ae5ad5e0992609dff1082dc963ae7dc6c39d1f0818508d1b0f1c6a8"},"schema_version":"1.0","source":{"id":"1902.09908","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09908","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09908v1","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09908","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"MOYDAEPAQSEP","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MOYDAEPAQSEPSU3G","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MOYDAEPA","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:51d84ae358d4917c00f6b020de800118a2caa6e489c625f4e6804cc48f862a6e","target":"graph","created_at":"2026-05-17T23:49:38Z","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 have derived relations between full-width-half-maxima and equivalent widths of metallic absorption lines in the spectra of RR~Lyrae stars to estimate new upper limits on the axial equatorial rotational velocities of RR~Lyrae and metal-poor red horizontal branch stars (RHB). We also have derived the variations of RR~Lyrae macroturbulent velocities during the pulsation cycles. In RRab cycles the line widths are dominated by phase-dependent convolutions of axial rotation and macroturbulence, which we designate as V_macrot. The behavior of V_macrot is remarkably uniform among the RRab stars, bu","authors_text":"Christopher Sneden, George W. Preston, Ian B. Thompson, Merieme Chadid, Stephen A. Shectman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-26T13:03:29Z","title":"The Axial Rotation and Variable Macroturbulence of RR Lyrae and Red Horizontal Branch Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09908","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":"sha256:6af7c6c1203850175a156d90b787542f8fe6b5547cd8e2f9a029482c23312115","target":"record","created_at":"2026-05-17T23:49:38Z","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":"131ee84d0964b55aef6ab8cc79df8c510b82d30f843b234fdff7286bb42bac32","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-26T13:03:29Z","title_canon_sha256":"9b8d671c0ae5ad5e0992609dff1082dc963ae7dc6c39d1f0818508d1b0f1c6a8"},"schema_version":"1.0","source":{"id":"1902.09908","kind":"arxiv","version":1}},"canonical_sha256":"63b03011e08488f95366dcaad1b23fd330800602bd633cdb171c123b34b4da2a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63b03011e08488f95366dcaad1b23fd330800602bd633cdb171c123b34b4da2a","first_computed_at":"2026-05-17T23:49:38.794108Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:38.794108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cATJweXhvyV6Idr0wXdFy43bR+Xfqgu8kWoosD6MFX7YDACdgR9N74MFvW/NN7UAOLzXWsotRz9bz1emtgjnDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:38.794760Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.09908","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6af7c6c1203850175a156d90b787542f8fe6b5547cd8e2f9a029482c23312115","sha256:51d84ae358d4917c00f6b020de800118a2caa6e489c625f4e6804cc48f862a6e"],"state_sha256":"0910e6a9be9333737cb6a8c09678acfaa1efffde1b7e5639a59736dacabd606e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oa98jqyaKnvOxnhgTfKHU7HBKWrbq/KkrbKm0GnA35rnmoeE3Bsjv5iQO/e6NdJcF8F5woQY0kpulWXUcHhcBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:54:50.004833Z","bundle_sha256":"2116d973d06f281de8b2b32b5f007646c11b6a2d63deefeb366e77bf0d3848b8"}}