{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LWPMPEGHNCFMN24K3MZJMHFUVP","short_pith_number":"pith:LWPMPEGH","canonical_record":{"source":{"id":"1804.02132","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T05:01:10Z","cross_cats_sorted":[],"title_canon_sha256":"6464da44053b7ae395627ee87112008175f6a01783802c0aef766cfd03f3d608","abstract_canon_sha256":"7431c01111b393586fbc73f9b97879d3e00104f4dd1979d04ff5f37473f74f79"},"schema_version":"1.0"},"canonical_sha256":"5d9ec790c7688ac6eb8adb32961cb4abca402c02ff09b0fbfa89ab6743889d0b","source":{"kind":"arxiv","id":"1804.02132","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02132","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02132v3","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02132","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"pith_short_12","alias_value":"LWPMPEGHNCFM","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LWPMPEGHNCFMN24K","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LWPMPEGH","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LWPMPEGHNCFMN24K3MZJMHFUVP","target":"record","payload":{"canonical_record":{"source":{"id":"1804.02132","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T05:01:10Z","cross_cats_sorted":[],"title_canon_sha256":"6464da44053b7ae395627ee87112008175f6a01783802c0aef766cfd03f3d608","abstract_canon_sha256":"7431c01111b393586fbc73f9b97879d3e00104f4dd1979d04ff5f37473f74f79"},"schema_version":"1.0"},"canonical_sha256":"5d9ec790c7688ac6eb8adb32961cb4abca402c02ff09b0fbfa89ab6743889d0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:29.888224Z","signature_b64":"QIqX9p0awe3gx0Zwe8rRF9A9yQPlIA3+XKpDWvYEEvfpWH1Twcd695pvkd3dbY/kWhf+sKpGarK/u721icvPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d9ec790c7688ac6eb8adb32961cb4abca402c02ff09b0fbfa89ab6743889d0b","last_reissued_at":"2026-05-18T00:01:29.887793Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:29.887793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.02132","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:01:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SkhhqovxCorwbaRKBYiaCR2XdAB+P4S2OuQRs2YWJls+vzh7eBv99ld06uhRxk6rZVELUs6AQQ30gwMxXfI4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:40:39.009164Z"},"content_sha256":"e5a6a202432b4535184783837e846aecf762cb913306826f64cf84ae468024d4","schema_version":"1.0","event_id":"sha256:e5a6a202432b4535184783837e846aecf762cb913306826f64cf84ae468024d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LWPMPEGHNCFMN24K3MZJMHFUVP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A First Catalog of Variable Stars Measured by the Asteroid Terrestrial-impact Last Alert System (ATLAS)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. N. Heinze, Armin Rest, Brian Stalder, Heather Flewelling, Henry Weiland, John L. Tonry, Ken W. Smith, Larry Denneau, Stephen J. Smartt","submitted_at":"2018-04-06T05:01:10Z","abstract_excerpt":"The Asteroid Terrestrial-impact Last Alert System (ATLAS) carries out its primary planetary defense mission by surveying about 13000 deg^2 at least four times per night. The resulting data set is useful for the discovery of variable stars to a magnitude limit fainter than r~18, with amplitudes down to 0.01 mag for bright objects. Here we present a Data Release One catalog of variable stars based on analyzing 142 million stars measured at least 100 times in the first two years of ATLAS operations. Using a Lomb-Scargle periodogram and other variability metrics, we identify 4.7 million candidate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02132","kind":"arxiv","version":3},"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":"2026-05-18T00:01:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3AWk0yXdN4pvSeOVh/gq5+0vxbaKGmJF+NcgAzrKw/RkX2q0M3lJAgq1lRNWllblO/fQ/8H51WXmgnkfzNNzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:40:39.009815Z"},"content_sha256":"097c2dad1c9ecb954e38446957bcca052fe2e220faabeb991d0177f5858a70d9","schema_version":"1.0","event_id":"sha256:097c2dad1c9ecb954e38446957bcca052fe2e220faabeb991d0177f5858a70d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LWPMPEGHNCFMN24K3MZJMHFUVP/bundle.json","state_url":"https://pith.science/pith/LWPMPEGHNCFMN24K3MZJMHFUVP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LWPMPEGHNCFMN24K3MZJMHFUVP/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":"2026-05-25T06:40:39Z","links":{"resolver":"https://pith.science/pith/LWPMPEGHNCFMN24K3MZJMHFUVP","bundle":"https://pith.science/pith/LWPMPEGHNCFMN24K3MZJMHFUVP/bundle.json","state":"https://pith.science/pith/LWPMPEGHNCFMN24K3MZJMHFUVP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LWPMPEGHNCFMN24K3MZJMHFUVP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LWPMPEGHNCFMN24K3MZJMHFUVP","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":"7431c01111b393586fbc73f9b97879d3e00104f4dd1979d04ff5f37473f74f79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T05:01:10Z","title_canon_sha256":"6464da44053b7ae395627ee87112008175f6a01783802c0aef766cfd03f3d608"},"schema_version":"1.0","source":{"id":"1804.02132","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02132","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02132v3","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02132","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"pith_short_12","alias_value":"LWPMPEGHNCFM","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LWPMPEGHNCFMN24K","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LWPMPEGH","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:097c2dad1c9ecb954e38446957bcca052fe2e220faabeb991d0177f5858a70d9","target":"graph","created_at":"2026-05-18T00:01:29Z","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 Asteroid Terrestrial-impact Last Alert System (ATLAS) carries out its primary planetary defense mission by surveying about 13000 deg^2 at least four times per night. The resulting data set is useful for the discovery of variable stars to a magnitude limit fainter than r~18, with amplitudes down to 0.01 mag for bright objects. Here we present a Data Release One catalog of variable stars based on analyzing 142 million stars measured at least 100 times in the first two years of ATLAS operations. Using a Lomb-Scargle periodogram and other variability metrics, we identify 4.7 million candidate ","authors_text":"A. N. Heinze, Armin Rest, Brian Stalder, Heather Flewelling, Henry Weiland, John L. Tonry, Ken W. Smith, Larry Denneau, Stephen J. Smartt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T05:01:10Z","title":"A First Catalog of Variable Stars Measured by the Asteroid Terrestrial-impact Last Alert System (ATLAS)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02132","kind":"arxiv","version":3},"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:e5a6a202432b4535184783837e846aecf762cb913306826f64cf84ae468024d4","target":"record","created_at":"2026-05-18T00:01:29Z","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":"7431c01111b393586fbc73f9b97879d3e00104f4dd1979d04ff5f37473f74f79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T05:01:10Z","title_canon_sha256":"6464da44053b7ae395627ee87112008175f6a01783802c0aef766cfd03f3d608"},"schema_version":"1.0","source":{"id":"1804.02132","kind":"arxiv","version":3}},"canonical_sha256":"5d9ec790c7688ac6eb8adb32961cb4abca402c02ff09b0fbfa89ab6743889d0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d9ec790c7688ac6eb8adb32961cb4abca402c02ff09b0fbfa89ab6743889d0b","first_computed_at":"2026-05-18T00:01:29.887793Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:29.887793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QIqX9p0awe3gx0Zwe8rRF9A9yQPlIA3+XKpDWvYEEvfpWH1Twcd695pvkd3dbY/kWhf+sKpGarK/u721icvPAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:29.888224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.02132","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5a6a202432b4535184783837e846aecf762cb913306826f64cf84ae468024d4","sha256:097c2dad1c9ecb954e38446957bcca052fe2e220faabeb991d0177f5858a70d9"],"state_sha256":"895cd662702d03bcfe7536728be50191cd9b2b41fc0c5118d831f74e56a08498"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kbtes2hhSdOpo3kKZZGST2fICfKaeJCpJ9fonamBs+2QXgjkxUnC9w+QFkQ9iZijjP4xTnwbxIEtWPQnz8OSDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T06:40:39.013042Z","bundle_sha256":"eb4df190b25c3f85285aa0235eccac64bc5658929283e0a5e56ac967720795fa"}}