{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:6KURMMIZ274ZIKMSD3W7TSI3GM","short_pith_number":"pith:6KURMMIZ","canonical_record":{"source":{"id":"0906.1810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-09T20:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"fc0df9cfe4fdf321a588afd8ea9207d1563b5847ff926ccb2a44574ed7be35a7","abstract_canon_sha256":"6d672d81500a7ca47b4700f36b18713290978993be0c225db90bbdc7287ff3f2"},"schema_version":"1.0"},"canonical_sha256":"f2a9163119d7f99429921eedf9c91b332d94cb59be5f545ba5494ffeb3640c49","source":{"kind":"arxiv","id":"0906.1810","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1810","created_at":"2026-05-18T04:29:42Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1810v1","created_at":"2026-05-18T04:29:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1810","created_at":"2026-05-18T04:29:42Z"},{"alias_kind":"pith_short_12","alias_value":"6KURMMIZ274Z","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"6KURMMIZ274ZIKMS","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"6KURMMIZ","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:6KURMMIZ274ZIKMSD3W7TSI3GM","target":"record","payload":{"canonical_record":{"source":{"id":"0906.1810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-09T20:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"fc0df9cfe4fdf321a588afd8ea9207d1563b5847ff926ccb2a44574ed7be35a7","abstract_canon_sha256":"6d672d81500a7ca47b4700f36b18713290978993be0c225db90bbdc7287ff3f2"},"schema_version":"1.0"},"canonical_sha256":"f2a9163119d7f99429921eedf9c91b332d94cb59be5f545ba5494ffeb3640c49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:42.764266Z","signature_b64":"98z3fblu+TM7Zq8psAE4rREsPFdMGKXB9QfHZt1YtEc3nRgCg2w6byA5JpQOCLaBq3mDhl4mPu5Qea6N//mEBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2a9163119d7f99429921eedf9c91b332d94cb59be5f545ba5494ffeb3640c49","last_reissued_at":"2026-05-18T04:29:42.763824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:42.763824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.1810","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":"2026-05-18T04:29:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nC0a0c52mjU9bb9Ggosc5R7rBSxTHGyqa8T7MAcpk2aJqxGyQk2GMazURU30UhoJRGK9utLHMvvRyVlf8UNHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:55:34.829452Z"},"content_sha256":"4952c4e2b0c794b47538ed5148a945d060570fc571d38a002e57f13472f76af2","schema_version":"1.0","event_id":"sha256:4952c4e2b0c794b47538ed5148a945d060570fc571d38a002e57f13472f76af2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:6KURMMIZ274ZIKMSD3W7TSI3GM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variable Stars in the Fornax dSph Galaxy. III. The Globular Cluster Fornax 5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(10) Department of Physics, (11) University of Wisconsin Oshkosh, 2), (2) INAF, (3) Departamento de Astronomia y Astrofisica, 4, (4) John Simon Guggenheim Memorial Foundation Fellow, 5), (5) On sabbatical leave at Michigan State University, (6) INAF, (7) INAF, (8) Physics Department, (9) Department of Astronomy, Armin Rest (8), Astronomy, Astronomy Department), Barton J. Pritzl (11) ((1) Observatoire de Geneve, Claudia Greco (1, Ennio Poretti (7), Enrico V. Held (6), Gisella Clementini (2), Harvard University, Horace A. Smith (10), Marcella Maio (2), Marcio Catelan (3, Marco Gullieuszik (6), Michigan State University, Nathan De Lee (9), Osservatorio Astronomico Bologna, Osservatorio Astronomico di Brera, Osservatorio Astronomico di Padova, Physics, Pontificia Universidad Catolica de Chile, University of Florida","submitted_at":"2009-06-09T20:00:39Z","abstract_excerpt":"We present a new study of the variable star population in globular cluster 5 of the Fornax dwarf spheroidal galaxy, based on B and V time series photometry obtained with the MagIC camera of the 6.5 m Magellan Clay telescope and complementary HST archive data. Light curves and accurate periodicities were obtained for 30 RR Lyrae stars and 1 SX Phoenicis variable. The RR Lyrae sample includes 15 fundamental-mode pulsators, 13 first-overtone pulsators, 1 candidate double-mode pulsator and one RR Lyrae star with uncertain type classification.\n  The average and minimum periods of the ab-type RR Lyr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1810","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":"2026-05-18T04:29:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HEcUCwiP6Z21flq8M54+m20XnIM5RBMZ9Drni4n2YxXb0K4RGw59mofQH7b5TKt7PgY8qNPTPpwK37x7GyM0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:55:34.830059Z"},"content_sha256":"ec58550d1144aee9737ba1945571f808ebb4c53157d85d2708bd62a5812841ab","schema_version":"1.0","event_id":"sha256:ec58550d1144aee9737ba1945571f808ebb4c53157d85d2708bd62a5812841ab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6KURMMIZ274ZIKMSD3W7TSI3GM/bundle.json","state_url":"https://pith.science/pith/6KURMMIZ274ZIKMSD3W7TSI3GM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6KURMMIZ274ZIKMSD3W7TSI3GM/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":"2026-05-18T21:55:34Z","links":{"resolver":"https://pith.science/pith/6KURMMIZ274ZIKMSD3W7TSI3GM","bundle":"https://pith.science/pith/6KURMMIZ274ZIKMSD3W7TSI3GM/bundle.json","state":"https://pith.science/pith/6KURMMIZ274ZIKMSD3W7TSI3GM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6KURMMIZ274ZIKMSD3W7TSI3GM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:6KURMMIZ274ZIKMSD3W7TSI3GM","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":"6d672d81500a7ca47b4700f36b18713290978993be0c225db90bbdc7287ff3f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-09T20:00:39Z","title_canon_sha256":"fc0df9cfe4fdf321a588afd8ea9207d1563b5847ff926ccb2a44574ed7be35a7"},"schema_version":"1.0","source":{"id":"0906.1810","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1810","created_at":"2026-05-18T04:29:42Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1810v1","created_at":"2026-05-18T04:29:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1810","created_at":"2026-05-18T04:29:42Z"},{"alias_kind":"pith_short_12","alias_value":"6KURMMIZ274Z","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"6KURMMIZ274ZIKMS","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"6KURMMIZ","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:ec58550d1144aee9737ba1945571f808ebb4c53157d85d2708bd62a5812841ab","target":"graph","created_at":"2026-05-18T04:29:42Z","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 a new study of the variable star population in globular cluster 5 of the Fornax dwarf spheroidal galaxy, based on B and V time series photometry obtained with the MagIC camera of the 6.5 m Magellan Clay telescope and complementary HST archive data. Light curves and accurate periodicities were obtained for 30 RR Lyrae stars and 1 SX Phoenicis variable. The RR Lyrae sample includes 15 fundamental-mode pulsators, 13 first-overtone pulsators, 1 candidate double-mode pulsator and one RR Lyrae star with uncertain type classification.\n  The average and minimum periods of the ab-type RR Lyr","authors_text":"(10) Department of Physics, (11) University of Wisconsin Oshkosh, 2), (2) INAF, (3) Departamento de Astronomia y Astrofisica, 4, (4) John Simon Guggenheim Memorial Foundation Fellow, 5), (5) On sabbatical leave at Michigan State University, (6) INAF, (7) INAF, (8) Physics Department, (9) Department of Astronomy, Armin Rest (8), Astronomy, Astronomy Department), Barton J. Pritzl (11) ((1) Observatoire de Geneve, Claudia Greco (1, Ennio Poretti (7), Enrico V. Held (6), Gisella Clementini (2), Harvard University, Horace A. Smith (10), Marcella Maio (2), Marcio Catelan (3, Marco Gullieuszik (6), Michigan State University, Nathan De Lee (9), Osservatorio Astronomico Bologna, Osservatorio Astronomico di Brera, Osservatorio Astronomico di Padova, Physics, Pontificia Universidad Catolica de Chile, University of Florida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-09T20:00:39Z","title":"Variable Stars in the Fornax dSph Galaxy. III. The Globular Cluster Fornax 5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1810","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":"sha256:4952c4e2b0c794b47538ed5148a945d060570fc571d38a002e57f13472f76af2","target":"record","created_at":"2026-05-18T04:29:42Z","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":"6d672d81500a7ca47b4700f36b18713290978993be0c225db90bbdc7287ff3f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-09T20:00:39Z","title_canon_sha256":"fc0df9cfe4fdf321a588afd8ea9207d1563b5847ff926ccb2a44574ed7be35a7"},"schema_version":"1.0","source":{"id":"0906.1810","kind":"arxiv","version":1}},"canonical_sha256":"f2a9163119d7f99429921eedf9c91b332d94cb59be5f545ba5494ffeb3640c49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2a9163119d7f99429921eedf9c91b332d94cb59be5f545ba5494ffeb3640c49","first_computed_at":"2026-05-18T04:29:42.763824Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:42.763824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"98z3fblu+TM7Zq8psAE4rREsPFdMGKXB9QfHZt1YtEc3nRgCg2w6byA5JpQOCLaBq3mDhl4mPu5Qea6N//mEBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:42.764266Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.1810","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4952c4e2b0c794b47538ed5148a945d060570fc571d38a002e57f13472f76af2","sha256:ec58550d1144aee9737ba1945571f808ebb4c53157d85d2708bd62a5812841ab"],"state_sha256":"f076349161d4fd18918961ada9c71ad7cc8b071e9e6bdc64ee849bd91c3add57"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZif1WGFjl7525eLIdIv/WDPI9TkfMvIi9/LgOiR6xGmZ2pvT5v1xCveCDqAdHRVigamii3nSgIzplU5V7FoBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T21:55:34.831928Z","bundle_sha256":"fb46021c6f63ea72c87d3844d3891c9deb50b4baf2d7bc28fa0364bdb2e28dec"}}