{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:V5JLTJER4F72MFOSWZHXJ27QUH","short_pith_number":"pith:V5JLTJER","canonical_record":{"source":{"id":"2608.03098","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-08-04T04:14:38Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"054ba84dfa1a8853f4333e809de2e9601d60284c75b997ee7bc34433b53d39a7","abstract_canon_sha256":"2bdb348faaffce287b51105e29c21ae1576e5714e49193b7f40c22794a23a904"},"schema_version":"1.0"},"canonical_sha256":"af52b9a491e17fa615d2b64f74ebf0a1dad56369f9c25887819a2bc3805746a0","source":{"kind":"arxiv","id":"2608.03098","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.03098","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"arxiv_version","alias_value":"2608.03098v1","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.03098","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"pith_short_12","alias_value":"V5JLTJER4F72","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"pith_short_16","alias_value":"V5JLTJER4F72MFOS","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"pith_short_8","alias_value":"V5JLTJER","created_at":"2026-08-05T00:45:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:V5JLTJER4F72MFOSWZHXJ27QUH","target":"record","payload":{"canonical_record":{"source":{"id":"2608.03098","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-08-04T04:14:38Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"054ba84dfa1a8853f4333e809de2e9601d60284c75b997ee7bc34433b53d39a7","abstract_canon_sha256":"2bdb348faaffce287b51105e29c21ae1576e5714e49193b7f40c22794a23a904"},"schema_version":"1.0"},"canonical_sha256":"af52b9a491e17fa615d2b64f74ebf0a1dad56369f9c25887819a2bc3805746a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-05T00:45:36.374345Z","signature_b64":"DN3zMQr+44dSRwt5mZp80wC84qRL8SseLEf9hemEHYPLfcuzBgWPb4ljPrbZmQpXGRiiYFYgV18TlBnfR5sQDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af52b9a491e17fa615d2b64f74ebf0a1dad56369f9c25887819a2bc3805746a0","last_reissued_at":"2026-08-05T00:45:36.371653Z","signature_status":"signed_v1","first_computed_at":"2026-08-05T00:45:36.371653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.03098","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":"2026-08-05T00:45:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L0+O1ILPAW7Bl8qjxjBM24Q9mh33e0PxKqZRYdnEHZvIhXWtj5Mtx+pLcDCfGkyaW9I12yQQi1kEOmonZeKfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:57:36.115930Z"},"content_sha256":"def86053938abd6985abdee7cf1142c220b46b2eb39e9248761ddc599610a056","schema_version":"1.0","event_id":"sha256:def86053938abd6985abdee7cf1142c220b46b2eb39e9248761ddc599610a056"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:V5JLTJER4F72MFOSWZHXJ27QUH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lithium as a Signpost for Compact Object Binary Candidates in the LAMOST Medium Resolution Survey","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Casey Y. Lam, Joshua D. Simon, Kareem El-Badry, Yang Shen","submitted_at":"2026-08-04T04:14:38Z","abstract_excerpt":"Binary systems with black hole or neutron star companions are often associated with lithium enhancement. Gaia NS1, a recently discovered neutron-star binary with a lithium-enhanced main-sequence companion, demonstrates the potential of lithium as a signpost for identifying compact object binaries in existing spectroscopic surveys. In particular, we aim to use lithium as a signpost to find compact object binaries similar to Gaia NS1 in the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) Medium Resolution Survey (MRS). From LAMOST MRS, we selected 4441 metal-poor main-sequence"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.03098","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/2608.03098/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":"2026-08-05T00:45:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"10UEj41u3Cl1s7HI6v/R8xSG4JzSSMIO0b1YiAK1wy9kKZPaYogkfiZMU+YYBoY3hYEkGRQzss9IP8iRxJbLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:57:36.116729Z"},"content_sha256":"afd29b9551c702fde36f3475aad5df5b2bdb9dfb9520b73c3e7608ac9f89bf15","schema_version":"1.0","event_id":"sha256:afd29b9551c702fde36f3475aad5df5b2bdb9dfb9520b73c3e7608ac9f89bf15"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V5JLTJER4F72MFOSWZHXJ27QUH/bundle.json","state_url":"https://pith.science/pith/V5JLTJER4F72MFOSWZHXJ27QUH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V5JLTJER4F72MFOSWZHXJ27QUH/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":"2026-08-16T18:57:36Z","links":{"resolver":"https://pith.science/pith/V5JLTJER4F72MFOSWZHXJ27QUH","bundle":"https://pith.science/pith/V5JLTJER4F72MFOSWZHXJ27QUH/bundle.json","state":"https://pith.science/pith/V5JLTJER4F72MFOSWZHXJ27QUH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V5JLTJER4F72MFOSWZHXJ27QUH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:V5JLTJER4F72MFOSWZHXJ27QUH","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":"2bdb348faaffce287b51105e29c21ae1576e5714e49193b7f40c22794a23a904","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-08-04T04:14:38Z","title_canon_sha256":"054ba84dfa1a8853f4333e809de2e9601d60284c75b997ee7bc34433b53d39a7"},"schema_version":"1.0","source":{"id":"2608.03098","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.03098","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"arxiv_version","alias_value":"2608.03098v1","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.03098","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"pith_short_12","alias_value":"V5JLTJER4F72","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"pith_short_16","alias_value":"V5JLTJER4F72MFOS","created_at":"2026-08-05T00:45:36Z"},{"alias_kind":"pith_short_8","alias_value":"V5JLTJER","created_at":"2026-08-05T00:45:36Z"}],"graph_snapshots":[{"event_id":"sha256:afd29b9551c702fde36f3475aad5df5b2bdb9dfb9520b73c3e7608ac9f89bf15","target":"graph","created_at":"2026-08-05T00:45:36Z","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/2608.03098/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Binary systems with black hole or neutron star companions are often associated with lithium enhancement. Gaia NS1, a recently discovered neutron-star binary with a lithium-enhanced main-sequence companion, demonstrates the potential of lithium as a signpost for identifying compact object binaries in existing spectroscopic surveys. In particular, we aim to use lithium as a signpost to find compact object binaries similar to Gaia NS1 in the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) Medium Resolution Survey (MRS). From LAMOST MRS, we selected 4441 metal-poor main-sequence","authors_text":"Casey Y. Lam, Joshua D. Simon, Kareem El-Badry, Yang Shen","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-08-04T04:14:38Z","title":"Lithium as a Signpost for Compact Object Binary Candidates in the LAMOST Medium Resolution Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.03098","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:def86053938abd6985abdee7cf1142c220b46b2eb39e9248761ddc599610a056","target":"record","created_at":"2026-08-05T00:45:36Z","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":"2bdb348faaffce287b51105e29c21ae1576e5714e49193b7f40c22794a23a904","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-08-04T04:14:38Z","title_canon_sha256":"054ba84dfa1a8853f4333e809de2e9601d60284c75b997ee7bc34433b53d39a7"},"schema_version":"1.0","source":{"id":"2608.03098","kind":"arxiv","version":1}},"canonical_sha256":"af52b9a491e17fa615d2b64f74ebf0a1dad56369f9c25887819a2bc3805746a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af52b9a491e17fa615d2b64f74ebf0a1dad56369f9c25887819a2bc3805746a0","first_computed_at":"2026-08-05T00:45:36.371653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-05T00:45:36.371653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DN3zMQr+44dSRwt5mZp80wC84qRL8SseLEf9hemEHYPLfcuzBgWPb4ljPrbZmQpXGRiiYFYgV18TlBnfR5sQDQ==","signature_status":"signed_v1","signed_at":"2026-08-05T00:45:36.374345Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.03098","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:def86053938abd6985abdee7cf1142c220b46b2eb39e9248761ddc599610a056","sha256:afd29b9551c702fde36f3475aad5df5b2bdb9dfb9520b73c3e7608ac9f89bf15"],"state_sha256":"9e203f0e3618b78c913441fbe62141043111e0e0d0753ddf92abd429242719bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iMI1D2GOWdF7BRKnUbDr8EBf5+kBxzt2IoB853Jtcdk5vCN6FwrUQj+MYAanneX5YUBSWCPGIDQiyb9++LA5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T18:57:36.122379Z","bundle_sha256":"027bdede2cc487fe2316a60dd5a7880e38d15b9b99964c376bd395bedea2c47c"}}