{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:W7JYHQE3VZMZH7K5CTLDLTQCT3","short_pith_number":"pith:W7JYHQE3","canonical_record":{"source":{"id":"1901.05116","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-16T02:41:43Z","cross_cats_sorted":[],"title_canon_sha256":"57738e11112012a90835b6e40b6b38e8fdc03f5374ed09a03bae5515a57c4ce2","abstract_canon_sha256":"a7f85d584cbbfb7343e111e21c652426445e81faa5fef7f3d740e2931d3b7e4c"},"schema_version":"1.0"},"canonical_sha256":"b7d383c09bae5993fd5d14d635ce029ed8f92a48d40243cb4b331f84c2b30b5c","source":{"kind":"arxiv","id":"1901.05116","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05116","created_at":"2026-05-17T23:39:47Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05116v2","created_at":"2026-05-17T23:39:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05116","created_at":"2026-05-17T23:39:47Z"},{"alias_kind":"pith_short_12","alias_value":"W7JYHQE3VZMZ","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"W7JYHQE3VZMZH7K5","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"W7JYHQE3","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:W7JYHQE3VZMZH7K5CTLDLTQCT3","target":"record","payload":{"canonical_record":{"source":{"id":"1901.05116","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-16T02:41:43Z","cross_cats_sorted":[],"title_canon_sha256":"57738e11112012a90835b6e40b6b38e8fdc03f5374ed09a03bae5515a57c4ce2","abstract_canon_sha256":"a7f85d584cbbfb7343e111e21c652426445e81faa5fef7f3d740e2931d3b7e4c"},"schema_version":"1.0"},"canonical_sha256":"b7d383c09bae5993fd5d14d635ce029ed8f92a48d40243cb4b331f84c2b30b5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:47.332309Z","signature_b64":"iAc9iqE/sJZKEHpt5GTLr2Kmw1nK2YJShfjLMVh4EucB98+jVm4Q7XUE7n6nIzY2vxHc6FqE3m+wcFsOvF24BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7d383c09bae5993fd5d14d635ce029ed8f92a48d40243cb4b331f84c2b30b5c","last_reissued_at":"2026-05-17T23:39:47.331683Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:47.331683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.05116","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":"2026-05-17T23:39:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T1vsI9f1F7F7Ra3kpe7/JVDpuleSSGFt6N8mdR+63QLIJrCl1xRzLyKp5n6Eo6EL1AMSP0wMamsaSsDgxrJxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:47:30.927626Z"},"content_sha256":"fda41b84c93899c4f6d63459802f4e21c51e6652541185de0a81a3575bf5bceb","schema_version":"1.0","event_id":"sha256:fda41b84c93899c4f6d63459802f4e21c51e6652541185de0a81a3575bf5bceb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:W7JYHQE3VZMZH7K5CTLDLTQCT3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AutoRegressive Planet Search: Methodology","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alejandra Christen, Cristian Meza, Eric D. Feigelson, Gabriel A. Caceres, G. Jogesh Babu, Karine Bertin, Michel Cur\\'e, Natalia Bahamonde","submitted_at":"2019-01-16T02:41:43Z","abstract_excerpt":"The detection of periodic signals from transiting exoplanets is often impeded by extraneous aperiodic photometric variability, either intrinsic to the star or arising from the measurement process. Frequently, these variations are autocorrelated wherein later flux values are correlated with previous ones. In this work, we present the methodology of the Autoregessive Planet Search (ARPS) project which uses Autoregressive Integrated Moving Average (ARIMA) and related statistical models that treat a wide variety of stochastic processes, as well as nonstationarity, to improve detection of new plane"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05116","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":"2026-05-17T23:39:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aKTiJPqJZnWcZPujK2/t1hYupX64+mQaq7qpBNCEtj/e6zswDMDUhVZUA7N78YXouRjoq+Tp3D0ARsE0oCB2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:47:30.928229Z"},"content_sha256":"b3804874424886fc144fd3abb587532ad3768a62fa62057091d87780c67d6b5a","schema_version":"1.0","event_id":"sha256:b3804874424886fc144fd3abb587532ad3768a62fa62057091d87780c67d6b5a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3/bundle.json","state_url":"https://pith.science/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3/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":"2026-05-28T23:47:30Z","links":{"resolver":"https://pith.science/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3","bundle":"https://pith.science/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3/bundle.json","state":"https://pith.science/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W7JYHQE3VZMZH7K5CTLDLTQCT3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:W7JYHQE3VZMZH7K5CTLDLTQCT3","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":"a7f85d584cbbfb7343e111e21c652426445e81faa5fef7f3d740e2931d3b7e4c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-16T02:41:43Z","title_canon_sha256":"57738e11112012a90835b6e40b6b38e8fdc03f5374ed09a03bae5515a57c4ce2"},"schema_version":"1.0","source":{"id":"1901.05116","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05116","created_at":"2026-05-17T23:39:47Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05116v2","created_at":"2026-05-17T23:39:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05116","created_at":"2026-05-17T23:39:47Z"},{"alias_kind":"pith_short_12","alias_value":"W7JYHQE3VZMZ","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"W7JYHQE3VZMZH7K5","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"W7JYHQE3","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:b3804874424886fc144fd3abb587532ad3768a62fa62057091d87780c67d6b5a","target":"graph","created_at":"2026-05-17T23:39:47Z","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 detection of periodic signals from transiting exoplanets is often impeded by extraneous aperiodic photometric variability, either intrinsic to the star or arising from the measurement process. Frequently, these variations are autocorrelated wherein later flux values are correlated with previous ones. In this work, we present the methodology of the Autoregessive Planet Search (ARPS) project which uses Autoregressive Integrated Moving Average (ARIMA) and related statistical models that treat a wide variety of stochastic processes, as well as nonstationarity, to improve detection of new plane","authors_text":"Alejandra Christen, Cristian Meza, Eric D. Feigelson, Gabriel A. Caceres, G. Jogesh Babu, Karine Bertin, Michel Cur\\'e, Natalia Bahamonde","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-16T02:41:43Z","title":"AutoRegressive Planet Search: Methodology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05116","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:fda41b84c93899c4f6d63459802f4e21c51e6652541185de0a81a3575bf5bceb","target":"record","created_at":"2026-05-17T23:39:47Z","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":"a7f85d584cbbfb7343e111e21c652426445e81faa5fef7f3d740e2931d3b7e4c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-16T02:41:43Z","title_canon_sha256":"57738e11112012a90835b6e40b6b38e8fdc03f5374ed09a03bae5515a57c4ce2"},"schema_version":"1.0","source":{"id":"1901.05116","kind":"arxiv","version":2}},"canonical_sha256":"b7d383c09bae5993fd5d14d635ce029ed8f92a48d40243cb4b331f84c2b30b5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7d383c09bae5993fd5d14d635ce029ed8f92a48d40243cb4b331f84c2b30b5c","first_computed_at":"2026-05-17T23:39:47.331683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:47.331683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iAc9iqE/sJZKEHpt5GTLr2Kmw1nK2YJShfjLMVh4EucB98+jVm4Q7XUE7n6nIzY2vxHc6FqE3m+wcFsOvF24BA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:47.332309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.05116","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fda41b84c93899c4f6d63459802f4e21c51e6652541185de0a81a3575bf5bceb","sha256:b3804874424886fc144fd3abb587532ad3768a62fa62057091d87780c67d6b5a"],"state_sha256":"003e4bd9198e1f054fcff2af51c6d3983bd2eaf9712abb83b0836b14e72ff04e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Et4hb5mdt5gyoRbnG+xF3pDuOdVBY/Mu/fmbtrMCAPRi9jWlYf/OlO3zqVEAAcVNvNvoI/OkbPOpudQ11kMvCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:47:30.930797Z","bundle_sha256":"03a698d313c434a0b2ec86dfbcfe97d0108baab77241f1da87a45b7926caa3cc"}}