{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5V7CMRZOL3L6UBNDBSDL2QMBVF","short_pith_number":"pith:5V7CMRZO","canonical_record":{"source":{"id":"1708.05854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-19T14:25:31Z","cross_cats_sorted":[],"title_canon_sha256":"c8fd470bdd01b63c32e5e6366e74bb380ef26ade020802bc9e3180c16180a6d1","abstract_canon_sha256":"0e9969a84fdfef9024789b37710d109e9b366f5fa53ee9ab9929331d3bb0e1cc"},"schema_version":"1.0"},"canonical_sha256":"ed7e26472e5ed7ea05a30c86bd4181a976fc3cc0a2fd2d783251c7b64a8de844","source":{"kind":"arxiv","id":"1708.05854","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05854","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05854v1","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05854","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"pith_short_12","alias_value":"5V7CMRZOL3L6","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5V7CMRZOL3L6UBND","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5V7CMRZO","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5V7CMRZOL3L6UBNDBSDL2QMBVF","target":"record","payload":{"canonical_record":{"source":{"id":"1708.05854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-19T14:25:31Z","cross_cats_sorted":[],"title_canon_sha256":"c8fd470bdd01b63c32e5e6366e74bb380ef26ade020802bc9e3180c16180a6d1","abstract_canon_sha256":"0e9969a84fdfef9024789b37710d109e9b366f5fa53ee9ab9929331d3bb0e1cc"},"schema_version":"1.0"},"canonical_sha256":"ed7e26472e5ed7ea05a30c86bd4181a976fc3cc0a2fd2d783251c7b64a8de844","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:43.995448Z","signature_b64":"6Y0x7HLJ2+wXCGkN9QZmyiecCN5EYip1urO71mS9eJxD2BJOq3lIJTrzP1NKYOmFXVkaG2xbIcNFSa2nLg0kCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed7e26472e5ed7ea05a30c86bd4181a976fc3cc0a2fd2d783251c7b64a8de844","last_reissued_at":"2026-05-18T00:37:43.994745Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:43.994745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.05854","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":"2026-05-18T00:37:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5kF9ZI5W+orp24zBgTkASGqmvKU6/4ePLoszMKAlvZbVbloDBxsNYr1gH36GISSi46q7HwxIU/jKNjFI5LlFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:20:33.881651Z"},"content_sha256":"b10fdbdf803c5fd5407fbcc9414265e0d3f0a55d9ec21bcb15e17fbb0d49f20c","schema_version":"1.0","event_id":"sha256:b10fdbdf803c5fd5407fbcc9414265e0d3f0a55d9ec21bcb15e17fbb0d49f20c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5V7CMRZOL3L6UBNDBSDL2QMBVF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HD66051, an eclipsing binary hosting a highly peculiar, HgMn-related star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ernst Paunzen, Ewa Niemczura, Fiorella Castelli, Franz-Josef Hambsch, Klaus Bernhard, Krzysztof He{\\l}miniak, Stefan H\\\"ummerich","submitted_at":"2017-08-19T14:25:31Z","abstract_excerpt":"HD66051 is an eclipsing system with an orbital period of about 4.75 d that exhibits out-of-eclipse variability with the same period. New multicolour photometric observations confirm the longevity of the secondary variations, which we interpret as a signature of surface inhomogeneities on one of the components. Using archival and newly acquired high-resolution spectra, we have performed a detailed abundance analysis. The primary component is a slowly rotating late B-type star ($T_{\\rm eff} = 12500\\pm200$ K; $\\log g = 4.0$, $v\\sin i = 27\\pm2$ km s$^{-1}$) with a highly peculiar composition remin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05854","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":"2026-05-18T00:37:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ba8apT/P+Zy19Mz6ucJgco2ZNRvahK1sf1ZFagkoEbnxxU8nNw1GtOyVzweirYclPva8rfMGqWllxPteQ3LNCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:20:33.882013Z"},"content_sha256":"d2c4edd84766a6e3c078892d817d4b787acb2832eaa3dcb6b3120b8d58fd96f5","schema_version":"1.0","event_id":"sha256:d2c4edd84766a6e3c078892d817d4b787acb2832eaa3dcb6b3120b8d58fd96f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF/bundle.json","state_url":"https://pith.science/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF/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":"2026-06-01T21:20:33Z","links":{"resolver":"https://pith.science/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF","bundle":"https://pith.science/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF/bundle.json","state":"https://pith.science/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5V7CMRZOL3L6UBNDBSDL2QMBVF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5V7CMRZOL3L6UBNDBSDL2QMBVF","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":"0e9969a84fdfef9024789b37710d109e9b366f5fa53ee9ab9929331d3bb0e1cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-19T14:25:31Z","title_canon_sha256":"c8fd470bdd01b63c32e5e6366e74bb380ef26ade020802bc9e3180c16180a6d1"},"schema_version":"1.0","source":{"id":"1708.05854","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05854","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05854v1","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05854","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"pith_short_12","alias_value":"5V7CMRZOL3L6","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5V7CMRZOL3L6UBND","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5V7CMRZO","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:d2c4edd84766a6e3c078892d817d4b787acb2832eaa3dcb6b3120b8d58fd96f5","target":"graph","created_at":"2026-05-18T00:37:43Z","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":"HD66051 is an eclipsing system with an orbital period of about 4.75 d that exhibits out-of-eclipse variability with the same period. New multicolour photometric observations confirm the longevity of the secondary variations, which we interpret as a signature of surface inhomogeneities on one of the components. Using archival and newly acquired high-resolution spectra, we have performed a detailed abundance analysis. The primary component is a slowly rotating late B-type star ($T_{\\rm eff} = 12500\\pm200$ K; $\\log g = 4.0$, $v\\sin i = 27\\pm2$ km s$^{-1}$) with a highly peculiar composition remin","authors_text":"Ernst Paunzen, Ewa Niemczura, Fiorella Castelli, Franz-Josef Hambsch, Klaus Bernhard, Krzysztof He{\\l}miniak, Stefan H\\\"ummerich","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-19T14:25:31Z","title":"HD66051, an eclipsing binary hosting a highly peculiar, HgMn-related star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05854","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:b10fdbdf803c5fd5407fbcc9414265e0d3f0a55d9ec21bcb15e17fbb0d49f20c","target":"record","created_at":"2026-05-18T00:37:43Z","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":"0e9969a84fdfef9024789b37710d109e9b366f5fa53ee9ab9929331d3bb0e1cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-19T14:25:31Z","title_canon_sha256":"c8fd470bdd01b63c32e5e6366e74bb380ef26ade020802bc9e3180c16180a6d1"},"schema_version":"1.0","source":{"id":"1708.05854","kind":"arxiv","version":1}},"canonical_sha256":"ed7e26472e5ed7ea05a30c86bd4181a976fc3cc0a2fd2d783251c7b64a8de844","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed7e26472e5ed7ea05a30c86bd4181a976fc3cc0a2fd2d783251c7b64a8de844","first_computed_at":"2026-05-18T00:37:43.994745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:43.994745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Y0x7HLJ2+wXCGkN9QZmyiecCN5EYip1urO71mS9eJxD2BJOq3lIJTrzP1NKYOmFXVkaG2xbIcNFSa2nLg0kCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:43.995448Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05854","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b10fdbdf803c5fd5407fbcc9414265e0d3f0a55d9ec21bcb15e17fbb0d49f20c","sha256:d2c4edd84766a6e3c078892d817d4b787acb2832eaa3dcb6b3120b8d58fd96f5"],"state_sha256":"d4cbe1d35d3d1a89df94dfc94544454df5efc45260c916fb3fb0b458836d3e08"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jrjrRb94bmTRcDSgpLTIgZtb5a2+m7CvhA3oiYX20oSRwfK0p+vr0Xwl4Kg0l5PgnkH885EP2QCe9QkFump1AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:20:33.883916Z","bundle_sha256":"943a1770f0cb8e9de60b09833773dd18879c06fe56ded463ef42028d7594cd94"}}