{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:QTFGRUEBLF7AUJP33L4MYUYUWO","short_pith_number":"pith:QTFGRUEB","canonical_record":{"source":{"id":"2109.00751","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-09-02T07:18:42Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"4c8bcb34113d83b4d098b9a816d96f64a766ef2dd84a47646d706d9e9bab3cbe","abstract_canon_sha256":"ff16fcc249d207f289d4722d0e5c1aa708a02006d9b364607713e2f5b32b761b"},"schema_version":"1.0"},"canonical_sha256":"84ca68d081597e0a25fbdaf8cc5314b39efc7340e23578f1ea0c97d58cc42701","source":{"kind":"arxiv","id":"2109.00751","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.00751","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"2109.00751v1","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.00751","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"QTFGRUEBLF7A","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"pith_short_16","alias_value":"QTFGRUEBLF7AUJP3","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"pith_short_8","alias_value":"QTFGRUEB","created_at":"2026-07-05T03:19:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:QTFGRUEBLF7AUJP33L4MYUYUWO","target":"record","payload":{"canonical_record":{"source":{"id":"2109.00751","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-09-02T07:18:42Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"4c8bcb34113d83b4d098b9a816d96f64a766ef2dd84a47646d706d9e9bab3cbe","abstract_canon_sha256":"ff16fcc249d207f289d4722d0e5c1aa708a02006d9b364607713e2f5b32b761b"},"schema_version":"1.0"},"canonical_sha256":"84ca68d081597e0a25fbdaf8cc5314b39efc7340e23578f1ea0c97d58cc42701","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:19:21.412655Z","signature_b64":"BBkzmNPIX+mVsteH4x4mvMBjQOMvJfATKArKOQHkmZYaDkuj44NJstRXvweQKCTS9OGp72LIkUsLJRSVTsyqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84ca68d081597e0a25fbdaf8cc5314b39efc7340e23578f1ea0c97d58cc42701","last_reissued_at":"2026-07-05T03:19:21.412178Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:19:21.412178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.00751","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":"2026-07-05T03:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"miaK3lN6IumNOTg80qguwGXYfv6UeAMudYOJvSd9B8abxLhv9vVu6CQaZsnDR9/4RLkFMkqHa9Ki/WZRmH4bDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T02:42:32.476904Z"},"content_sha256":"d27ba705a724c7501067f7e2058c286f0e382dbf054f2f048e81ef0c73638ca3","schema_version":"1.0","event_id":"sha256:d27ba705a724c7501067f7e2058c286f0e382dbf054f2f048e81ef0c73638ca3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:QTFGRUEBLF7AUJP33L4MYUYUWO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double-, triple-line spectroscopic candidates in the LAMOST Medium-Resolution Spectroscopic Survey","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Chun-Qian Li, Hong-Liang Yan, Jia-dong Li, Jian-Ning Fu, Jian-rong Shi, Yong-Hui Hou","submitted_at":"2021-09-02T07:18:42Z","abstract_excerpt":"The LAMOST Medium-Resolution Spectroscopic Survey (LAMOST-MRS) provides an unprecedented opportunity for detecting multi-line spectroscopic systems. Based on the method of Cross-Correlation Function (CCF) and successive derivatives, we search for spectroscopic binaries and triples and derive their radial velocities (RVs) from the LAMOST-MRS spectra. A Monte-Carlo simulation is adopted to estimate the RV uncertainties. After examining over 1.3 million LAMOST DR7 MRS blue arm spectra, we obtain 3,133 spectroscopic binary (SB) and 132 spectroscopic triple (ST) candidates, which account for 1.2% o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.00751","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.00751/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rxuUq0GYA1msOXvIYeO/dJ7gtHiNask7xoRddYDrCY9DxqOeoG/D8DfM+30uMTAi/+cIeXRjiX0qoBOP+WkJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T02:42:32.477739Z"},"content_sha256":"3c1fa4ebf98c7a68dfae5ac9cc3d631bb489910ca774fa70dd1b403ec91c918f","schema_version":"1.0","event_id":"sha256:3c1fa4ebf98c7a68dfae5ac9cc3d631bb489910ca774fa70dd1b403ec91c918f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QTFGRUEBLF7AUJP33L4MYUYUWO/bundle.json","state_url":"https://pith.science/pith/QTFGRUEBLF7AUJP33L4MYUYUWO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QTFGRUEBLF7AUJP33L4MYUYUWO/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":"2026-08-18T02:42:32Z","links":{"resolver":"https://pith.science/pith/QTFGRUEBLF7AUJP33L4MYUYUWO","bundle":"https://pith.science/pith/QTFGRUEBLF7AUJP33L4MYUYUWO/bundle.json","state":"https://pith.science/pith/QTFGRUEBLF7AUJP33L4MYUYUWO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QTFGRUEBLF7AUJP33L4MYUYUWO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QTFGRUEBLF7AUJP33L4MYUYUWO","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":"ff16fcc249d207f289d4722d0e5c1aa708a02006d9b364607713e2f5b32b761b","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-09-02T07:18:42Z","title_canon_sha256":"4c8bcb34113d83b4d098b9a816d96f64a766ef2dd84a47646d706d9e9bab3cbe"},"schema_version":"1.0","source":{"id":"2109.00751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.00751","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"2109.00751v1","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.00751","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"QTFGRUEBLF7A","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"pith_short_16","alias_value":"QTFGRUEBLF7AUJP3","created_at":"2026-07-05T03:19:21Z"},{"alias_kind":"pith_short_8","alias_value":"QTFGRUEB","created_at":"2026-07-05T03:19:21Z"}],"graph_snapshots":[{"event_id":"sha256:3c1fa4ebf98c7a68dfae5ac9cc3d631bb489910ca774fa70dd1b403ec91c918f","target":"graph","created_at":"2026-07-05T03:19:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.00751/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The LAMOST Medium-Resolution Spectroscopic Survey (LAMOST-MRS) provides an unprecedented opportunity for detecting multi-line spectroscopic systems. Based on the method of Cross-Correlation Function (CCF) and successive derivatives, we search for spectroscopic binaries and triples and derive their radial velocities (RVs) from the LAMOST-MRS spectra. A Monte-Carlo simulation is adopted to estimate the RV uncertainties. After examining over 1.3 million LAMOST DR7 MRS blue arm spectra, we obtain 3,133 spectroscopic binary (SB) and 132 spectroscopic triple (ST) candidates, which account for 1.2% o","authors_text":"Chun-Qian Li, Hong-Liang Yan, Jia-dong Li, Jian-Ning Fu, Jian-rong Shi, Yong-Hui Hou","cross_cats":["astro-ph.GA","astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-09-02T07:18:42Z","title":"Double-, triple-line spectroscopic candidates in the LAMOST Medium-Resolution Spectroscopic Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.00751","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:d27ba705a724c7501067f7e2058c286f0e382dbf054f2f048e81ef0c73638ca3","target":"record","created_at":"2026-07-05T03:19:21Z","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":"ff16fcc249d207f289d4722d0e5c1aa708a02006d9b364607713e2f5b32b761b","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-09-02T07:18:42Z","title_canon_sha256":"4c8bcb34113d83b4d098b9a816d96f64a766ef2dd84a47646d706d9e9bab3cbe"},"schema_version":"1.0","source":{"id":"2109.00751","kind":"arxiv","version":1}},"canonical_sha256":"84ca68d081597e0a25fbdaf8cc5314b39efc7340e23578f1ea0c97d58cc42701","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84ca68d081597e0a25fbdaf8cc5314b39efc7340e23578f1ea0c97d58cc42701","first_computed_at":"2026-07-05T03:19:21.412178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:19:21.412178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BBkzmNPIX+mVsteH4x4mvMBjQOMvJfATKArKOQHkmZYaDkuj44NJstRXvweQKCTS9OGp72LIkUsLJRSVTsyqAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:19:21.412655Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.00751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d27ba705a724c7501067f7e2058c286f0e382dbf054f2f048e81ef0c73638ca3","sha256:3c1fa4ebf98c7a68dfae5ac9cc3d631bb489910ca774fa70dd1b403ec91c918f"],"state_sha256":"88453066b53aa99ab00595c456a7e95ab93d2484795bcd6fea255be87ef10c85"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ffbhJRJcyaPEtSusbJclaNVW9XFhNVFPFsYONXWh/nltfez8QeinBrb1bHWNUHPU+apBLPlOsOzUroiRZmmDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T02:42:32.493166Z","bundle_sha256":"8709b9351a8dbb884a7d1aa17c9eb09cdce566c4b8d8dbfc1faff0899487dedf"}}