{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:XID3KUSRRMV46XYA2ERCGCRACL","short_pith_number":"pith:XID3KUSR","canonical_record":{"source":{"id":"2011.10206","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-20T04:30:37Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"c5dfe23c34063e2559ca1fa626a2147ed892a682e9c8afce41422d21d1a78575","abstract_canon_sha256":"a9443995ed71c44125b48ecbd9af437dd7573c9c161cd73391e3d40bd005a46c"},"schema_version":"1.0"},"canonical_sha256":"ba07b552518b2bcf5f00d122230a2012f7f84797b51c47f321e8ad376201c73a","source":{"kind":"arxiv","id":"2011.10206","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.10206","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2011.10206v1","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.10206","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"XID3KUSRRMV4","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"XID3KUSRRMV46XYA","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"XID3KUSR","created_at":"2026-07-05T02:01:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:XID3KUSRRMV46XYA2ERCGCRACL","target":"record","payload":{"canonical_record":{"source":{"id":"2011.10206","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-20T04:30:37Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"c5dfe23c34063e2559ca1fa626a2147ed892a682e9c8afce41422d21d1a78575","abstract_canon_sha256":"a9443995ed71c44125b48ecbd9af437dd7573c9c161cd73391e3d40bd005a46c"},"schema_version":"1.0"},"canonical_sha256":"ba07b552518b2bcf5f00d122230a2012f7f84797b51c47f321e8ad376201c73a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:01:17.549204Z","signature_b64":"V6iznak2F8fec+X9gkRrif+f5DsFKKTw36oUrXq6KwG8CYlP13VIfjNF5LghnK9deVkhhsbwHE3ucG9T6047AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba07b552518b2bcf5f00d122230a2012f7f84797b51c47f321e8ad376201c73a","last_reissued_at":"2026-07-05T02:01:17.548828Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:01:17.548828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.10206","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":"2026-07-05T02:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hphwop3RtdPSWKWIAnmsNXQOqMNFjv1bsZRevsencBOz1OhtEIQvf7LE4yW8gKY0lxbj9dB7uJ0SfqF51BkaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:23:25.370256Z"},"content_sha256":"feb40999ef136b9166cedec7aa70abe80870fdd086288af24dc2aec20b76d72a","schema_version":"1.0","event_id":"sha256:feb40999ef136b9166cedec7aa70abe80870fdd086288af24dc2aec20b76d72a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:XID3KUSRRMV46XYA2ERCGCRACL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"591 high velocity stars in the Galactic halo selected from LAMOST DR7 and Gaia DR2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A-Li Luo, Fang Zuo, Gang Zhao, Hua-Wei Zhang, Jiao Li, Kohei Hattori, Maosheng Xiang, Rui Wang, Shuo Li, Shuo Zhang, T.Marchetti, Xue-Sen Zhang, Yin-Bi Li, Yong-Heng Zhao, You-Fen Wang, You-Jun Lu, Yuan-Sen Ting","submitted_at":"2020-11-20T04:30:37Z","abstract_excerpt":"In this paper, we report 591 high velocity star candidates (HiVelSCs) selected from over 10 million spectra of the data release seven (DR7) of the Large Sky Area Multi-object Fiber Spectroscopic Telescope and the second Gaia data release, with three-dimensional velocities in the Galactic rest-frame larger than 445 km/s. We show that at least 43 HiVelSCs are unbound to the Galaxy with escape probabilities larger than 50%, and this number decreases to eight if the possible parallax zero-point error is corrected. Most of these HiVelSCs are metal-poor and slightly alpha-enhanced inner halo stars. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.10206","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/2011.10206/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":"2026-07-05T02:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5t1YpfkYWcz9RUA1Cx8wg3bBGgipHZAd36IhMBGveZIIPdczsSYsNWTG50ATYDWI5mmli5laFSKg7bXDf2WbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:23:25.370653Z"},"content_sha256":"979e5d1b5216998b9cffdcbb037bf8ad6f3c1e992402935ec6172e4fdf0582df","schema_version":"1.0","event_id":"sha256:979e5d1b5216998b9cffdcbb037bf8ad6f3c1e992402935ec6172e4fdf0582df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XID3KUSRRMV46XYA2ERCGCRACL/bundle.json","state_url":"https://pith.science/pith/XID3KUSRRMV46XYA2ERCGCRACL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XID3KUSRRMV46XYA2ERCGCRACL/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":"2026-07-07T14:23:25Z","links":{"resolver":"https://pith.science/pith/XID3KUSRRMV46XYA2ERCGCRACL","bundle":"https://pith.science/pith/XID3KUSRRMV46XYA2ERCGCRACL/bundle.json","state":"https://pith.science/pith/XID3KUSRRMV46XYA2ERCGCRACL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XID3KUSRRMV46XYA2ERCGCRACL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:XID3KUSRRMV46XYA2ERCGCRACL","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":"a9443995ed71c44125b48ecbd9af437dd7573c9c161cd73391e3d40bd005a46c","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-20T04:30:37Z","title_canon_sha256":"c5dfe23c34063e2559ca1fa626a2147ed892a682e9c8afce41422d21d1a78575"},"schema_version":"1.0","source":{"id":"2011.10206","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.10206","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2011.10206v1","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.10206","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"XID3KUSRRMV4","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"XID3KUSRRMV46XYA","created_at":"2026-07-05T02:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"XID3KUSR","created_at":"2026-07-05T02:01:17Z"}],"graph_snapshots":[{"event_id":"sha256:979e5d1b5216998b9cffdcbb037bf8ad6f3c1e992402935ec6172e4fdf0582df","target":"graph","created_at":"2026-07-05T02:01:17Z","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/2011.10206/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we report 591 high velocity star candidates (HiVelSCs) selected from over 10 million spectra of the data release seven (DR7) of the Large Sky Area Multi-object Fiber Spectroscopic Telescope and the second Gaia data release, with three-dimensional velocities in the Galactic rest-frame larger than 445 km/s. We show that at least 43 HiVelSCs are unbound to the Galaxy with escape probabilities larger than 50%, and this number decreases to eight if the possible parallax zero-point error is corrected. Most of these HiVelSCs are metal-poor and slightly alpha-enhanced inner halo stars. ","authors_text":"A-Li Luo, Fang Zuo, Gang Zhao, Hua-Wei Zhang, Jiao Li, Kohei Hattori, Maosheng Xiang, Rui Wang, Shuo Li, Shuo Zhang, T.Marchetti, Xue-Sen Zhang, Yin-Bi Li, Yong-Heng Zhao, You-Fen Wang, You-Jun Lu, Yuan-Sen Ting","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-20T04:30:37Z","title":"591 high velocity stars in the Galactic halo selected from LAMOST DR7 and Gaia DR2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.10206","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:feb40999ef136b9166cedec7aa70abe80870fdd086288af24dc2aec20b76d72a","target":"record","created_at":"2026-07-05T02:01:17Z","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":"a9443995ed71c44125b48ecbd9af437dd7573c9c161cd73391e3d40bd005a46c","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-20T04:30:37Z","title_canon_sha256":"c5dfe23c34063e2559ca1fa626a2147ed892a682e9c8afce41422d21d1a78575"},"schema_version":"1.0","source":{"id":"2011.10206","kind":"arxiv","version":1}},"canonical_sha256":"ba07b552518b2bcf5f00d122230a2012f7f84797b51c47f321e8ad376201c73a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba07b552518b2bcf5f00d122230a2012f7f84797b51c47f321e8ad376201c73a","first_computed_at":"2026-07-05T02:01:17.548828Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:01:17.548828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V6iznak2F8fec+X9gkRrif+f5DsFKKTw36oUrXq6KwG8CYlP13VIfjNF5LghnK9deVkhhsbwHE3ucG9T6047AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:01:17.549204Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.10206","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:feb40999ef136b9166cedec7aa70abe80870fdd086288af24dc2aec20b76d72a","sha256:979e5d1b5216998b9cffdcbb037bf8ad6f3c1e992402935ec6172e4fdf0582df"],"state_sha256":"2e6f53dfb61767e6cadaecd4cc9e09583b7a3fbeb3601852a65827170de1837b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mbDp7PxGekF7+cuUaQ8iMoKnHDGyYrscWWtCR4fqimb234MFcUPjfJ0M31Ak+bW11l4ya8U6G0Ygxs4RfRhGBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:23:25.372953Z","bundle_sha256":"f31869ea680556097d9299d84a8b2e3a3dcd096da15d57220a7681ca3f95e5e3"}}