{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:NDIA7XJ3TW3RQZ37DHQQ6V4APC","short_pith_number":"pith:NDIA7XJ3","canonical_record":{"source":{"id":"1811.02265","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-06T10:06:38Z","cross_cats_sorted":[],"title_canon_sha256":"f772bb7a4f5d01f847130dcbc634118cd6bc76aa0fbc5321498c9d536a4e7b93","abstract_canon_sha256":"0fadb0b6603c90e5c4169bce52af1b7a309bea9dfb3118574300fae84089b6ec"},"schema_version":"1.0"},"canonical_sha256":"68d00fdd3b9db718677f19e10f5780789bbc495ba5e850b73d5f5b8f26be272c","source":{"kind":"arxiv","id":"1811.02265","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.02265","created_at":"2026-05-18T00:00:46Z"},{"alias_kind":"arxiv_version","alias_value":"1811.02265v1","created_at":"2026-05-18T00:00:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02265","created_at":"2026-05-18T00:00:46Z"},{"alias_kind":"pith_short_12","alias_value":"NDIA7XJ3TW3R","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NDIA7XJ3TW3RQZ37","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NDIA7XJ3","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:NDIA7XJ3TW3RQZ37DHQQ6V4APC","target":"record","payload":{"canonical_record":{"source":{"id":"1811.02265","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-06T10:06:38Z","cross_cats_sorted":[],"title_canon_sha256":"f772bb7a4f5d01f847130dcbc634118cd6bc76aa0fbc5321498c9d536a4e7b93","abstract_canon_sha256":"0fadb0b6603c90e5c4169bce52af1b7a309bea9dfb3118574300fae84089b6ec"},"schema_version":"1.0"},"canonical_sha256":"68d00fdd3b9db718677f19e10f5780789bbc495ba5e850b73d5f5b8f26be272c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:46.926635Z","signature_b64":"+vP6pDNPJRkaGN8rWiuJ77J6sWFUv3+mA46p95HHjpXJTrzpxUVEWUUPeSGC92Y9p705h3otIB0dTFeTYL8OCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68d00fdd3b9db718677f19e10f5780789bbc495ba5e850b73d5f5b8f26be272c","last_reissued_at":"2026-05-18T00:00:46.926183Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:46.926183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.02265","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":"2026-05-18T00:00:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSNq7NgWCFN5nTErHef4TGJSN8F6crcWGo6GrBDBV2EKtUWr0Y0dAA5crKfxiXnoGAY0l/+x4b81NSqi11K/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:13:22.925730Z"},"content_sha256":"e6e6740761c06ce66a4ed7d32d8d3b5821e575e436d891452599293156817cbd","schema_version":"1.0","event_id":"sha256:e6e6740761c06ce66a4ed7d32d8d3b5821e575e436d891452599293156817cbd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:NDIA7XJ3TW3RQZ37DHQQ6V4APC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VVV-WIT-07: another Boyajian's star or a Mamajek's object?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Claudio Caceres, Dante Minniti, Felipe Gran, Juan Carlos Beamin, M\\'arcio Catelan, Raymundo Baptista, Roberto K. Saito, Rodolfo Angeloni, Valentin D. Ivanov","submitted_at":"2018-11-06T10:06:38Z","abstract_excerpt":"We report the discovery of VVV-WIT-07, an unique and intriguing variable source presenting a sequence of recurrent dips with a likely deep eclipse in July 2012. The object was found serendipitously in the near-IR data obtained by the VISTA Variables in the V\\'ia L\\'actea (VVV) ESO Public Survey. Our analysis is based on VVV variability, multicolor, and proper motion (PM) data. Complementary data from the VVV eXtended survey (VVVX) as well as archive data and spectroscopic follow-up observations aided in the analysis and interpretation of VVV-WIT-07. A search for periodicity in the VVV Ks-band "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02265","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":"2026-05-18T00:00:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dZMVaDmqOTQcdHyNUgcO4sUMJuv+t1JcRqinx78qBRZKh5getsHYJe+94ZdA96X9Xltqv53zxSawcNifE2YJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:13:22.926076Z"},"content_sha256":"5b1b4414eb46d1bba36db3db5cd69cdb3df1438574f5d2722497eb2a4b3eb882","schema_version":"1.0","event_id":"sha256:5b1b4414eb46d1bba36db3db5cd69cdb3df1438574f5d2722497eb2a4b3eb882"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC/bundle.json","state_url":"https://pith.science/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC/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":"2026-06-01T17:13:22Z","links":{"resolver":"https://pith.science/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC","bundle":"https://pith.science/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC/bundle.json","state":"https://pith.science/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDIA7XJ3TW3RQZ37DHQQ6V4APC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NDIA7XJ3TW3RQZ37DHQQ6V4APC","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":"0fadb0b6603c90e5c4169bce52af1b7a309bea9dfb3118574300fae84089b6ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-06T10:06:38Z","title_canon_sha256":"f772bb7a4f5d01f847130dcbc634118cd6bc76aa0fbc5321498c9d536a4e7b93"},"schema_version":"1.0","source":{"id":"1811.02265","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.02265","created_at":"2026-05-18T00:00:46Z"},{"alias_kind":"arxiv_version","alias_value":"1811.02265v1","created_at":"2026-05-18T00:00:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02265","created_at":"2026-05-18T00:00:46Z"},{"alias_kind":"pith_short_12","alias_value":"NDIA7XJ3TW3R","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NDIA7XJ3TW3RQZ37","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NDIA7XJ3","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:5b1b4414eb46d1bba36db3db5cd69cdb3df1438574f5d2722497eb2a4b3eb882","target":"graph","created_at":"2026-05-18T00:00:46Z","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 report the discovery of VVV-WIT-07, an unique and intriguing variable source presenting a sequence of recurrent dips with a likely deep eclipse in July 2012. The object was found serendipitously in the near-IR data obtained by the VISTA Variables in the V\\'ia L\\'actea (VVV) ESO Public Survey. Our analysis is based on VVV variability, multicolor, and proper motion (PM) data. Complementary data from the VVV eXtended survey (VVVX) as well as archive data and spectroscopic follow-up observations aided in the analysis and interpretation of VVV-WIT-07. A search for periodicity in the VVV Ks-band ","authors_text":"Claudio Caceres, Dante Minniti, Felipe Gran, Juan Carlos Beamin, M\\'arcio Catelan, Raymundo Baptista, Roberto K. Saito, Rodolfo Angeloni, Valentin D. Ivanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-06T10:06:38Z","title":"VVV-WIT-07: another Boyajian's star or a Mamajek's object?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02265","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:e6e6740761c06ce66a4ed7d32d8d3b5821e575e436d891452599293156817cbd","target":"record","created_at":"2026-05-18T00:00:46Z","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":"0fadb0b6603c90e5c4169bce52af1b7a309bea9dfb3118574300fae84089b6ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-06T10:06:38Z","title_canon_sha256":"f772bb7a4f5d01f847130dcbc634118cd6bc76aa0fbc5321498c9d536a4e7b93"},"schema_version":"1.0","source":{"id":"1811.02265","kind":"arxiv","version":1}},"canonical_sha256":"68d00fdd3b9db718677f19e10f5780789bbc495ba5e850b73d5f5b8f26be272c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68d00fdd3b9db718677f19e10f5780789bbc495ba5e850b73d5f5b8f26be272c","first_computed_at":"2026-05-18T00:00:46.926183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:46.926183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+vP6pDNPJRkaGN8rWiuJ77J6sWFUv3+mA46p95HHjpXJTrzpxUVEWUUPeSGC92Y9p705h3otIB0dTFeTYL8OCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:46.926635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.02265","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6e6740761c06ce66a4ed7d32d8d3b5821e575e436d891452599293156817cbd","sha256:5b1b4414eb46d1bba36db3db5cd69cdb3df1438574f5d2722497eb2a4b3eb882"],"state_sha256":"1e895c1d7a53454a893b18f539dc437945eed4b357db9a757c8890f2f7555ca8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pP59ni5KnM6MFrPvqzcqchqHL2T7+A907aDHTXd1NmrSCJX2id17h7AURv2iog3JT/fSWOBg9jCPZ7oAansxBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:13:22.928095Z","bundle_sha256":"21953736e9d9d67fa4672cc36cf9d7bba4c0f835cef09413c3d43d6e55e1d0d4"}}