{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:OPWTN6KCQMV7OBSBSYVXX43ZWG","short_pith_number":"pith:OPWTN6KC","canonical_record":{"source":{"id":"astro-ph/0412110","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-05T15:38:41Z","cross_cats_sorted":[],"title_canon_sha256":"2ee9b9a5e12816d68a71edc1acb3e7c0f07d4d2f4ee0fc6443f970460c8925bf","abstract_canon_sha256":"438567837f94ae461aa47e509e91f1fd87fb4351529c5ed443114faa11b35e34"},"schema_version":"1.0"},"canonical_sha256":"73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2","source":{"kind":"arxiv","id":"astro-ph/0412110","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412110","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412110v1","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412110","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"pith_short_12","alias_value":"OPWTN6KCQMV7","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"pith_short_16","alias_value":"OPWTN6KCQMV7OBSB","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"pith_short_8","alias_value":"OPWTN6KC","created_at":"2026-07-04T16:45:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:OPWTN6KCQMV7OBSBSYVXX43ZWG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0412110","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-05T15:38:41Z","cross_cats_sorted":[],"title_canon_sha256":"2ee9b9a5e12816d68a71edc1acb3e7c0f07d4d2f4ee0fc6443f970460c8925bf","abstract_canon_sha256":"438567837f94ae461aa47e509e91f1fd87fb4351529c5ed443114faa11b35e34"},"schema_version":"1.0"},"canonical_sha256":"73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:45:21.309606Z","signature_b64":"EKQpPLg9+wNimhQLyLjb7QVLcjYh/dELYy5DsSIOcBRfj2c5rk/OC9G33kQh0M/b2z0ELRoPufsSUb15cdlMAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2","last_reissued_at":"2026-07-04T16:45:21.309180Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:45:21.309180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0412110","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":"2026-07-04T16:45:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WzV7JxGOlv/VnoLh965KAlhsn1Wi5r1J6Rs7eChJH3/iFZP33HdgwN60qn8tXMbtIrZ6etaJptJIWM+WIzaCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:30:04.188626Z"},"content_sha256":"95e5e46000dfd269231680f3584df3eb352e4469a6035c602ce62fb4fe709697","schema_version":"1.0","event_id":"sha256:95e5e46000dfd269231680f3584df3eb352e4469a6035c602ce62fb4fe709697"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:OPWTN6KCQMV7OBSBSYVXX43ZWG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Metal-poor Field Blue Stragglers: More Evidence for Mass Transfer","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Bruce W. Carney, David W. Latham, John B. Laird","submitted_at":"2004-12-05T15:38:41Z","abstract_excerpt":"We report radial velocity studies of five candidate metal-poor field blue stragglers, all known to be deficient in lithium. Four of the five stars are single-lined spectroscopic binaries, with periods ranging from 302 to 840 days, and low orbital eccentricities, in agreement with similar behavior found for other blue straggler candidates by Preston & Sneden (2000) and Carney et al. (2001). The limited data available for lithium abundances indicate that all blue straggler candidates have depleted lithium abundances. Our results show higher values of v(rot) sin i for the binary stars than compar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412110","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/astro-ph/0412110/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":"2026-07-04T16:45:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BB5jQNxnwtPCwa/wtaeDbvEdjshBZErcTu7x52saC1F/y+XwGFlZj48DTDmTdcgGSm8SqNxs1HX/QTAIRY0vDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:30:04.188993Z"},"content_sha256":"40a5e6b4fc1358486cccc8e9ff58c902bf77651d4b3dc42e2702962297ffc833","schema_version":"1.0","event_id":"sha256:40a5e6b4fc1358486cccc8e9ff58c902bf77651d4b3dc42e2702962297ffc833"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG/bundle.json","state_url":"https://pith.science/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG/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":"2026-07-04T23:30:04Z","links":{"resolver":"https://pith.science/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG","bundle":"https://pith.science/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG/bundle.json","state":"https://pith.science/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OPWTN6KCQMV7OBSBSYVXX43ZWG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:OPWTN6KCQMV7OBSBSYVXX43ZWG","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":"438567837f94ae461aa47e509e91f1fd87fb4351529c5ed443114faa11b35e34","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-05T15:38:41Z","title_canon_sha256":"2ee9b9a5e12816d68a71edc1acb3e7c0f07d4d2f4ee0fc6443f970460c8925bf"},"schema_version":"1.0","source":{"id":"astro-ph/0412110","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412110","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412110v1","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412110","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"pith_short_12","alias_value":"OPWTN6KCQMV7","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"pith_short_16","alias_value":"OPWTN6KCQMV7OBSB","created_at":"2026-07-04T16:45:21Z"},{"alias_kind":"pith_short_8","alias_value":"OPWTN6KC","created_at":"2026-07-04T16:45:21Z"}],"graph_snapshots":[{"event_id":"sha256:40a5e6b4fc1358486cccc8e9ff58c902bf77651d4b3dc42e2702962297ffc833","target":"graph","created_at":"2026-07-04T16:45:21Z","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/astro-ph/0412110/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report radial velocity studies of five candidate metal-poor field blue stragglers, all known to be deficient in lithium. Four of the five stars are single-lined spectroscopic binaries, with periods ranging from 302 to 840 days, and low orbital eccentricities, in agreement with similar behavior found for other blue straggler candidates by Preston & Sneden (2000) and Carney et al. (2001). The limited data available for lithium abundances indicate that all blue straggler candidates have depleted lithium abundances. Our results show higher values of v(rot) sin i for the binary stars than compar","authors_text":"Bruce W. Carney, David W. Latham, John B. Laird","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-12-05T15:38:41Z","title":"Metal-poor Field Blue Stragglers: More Evidence for Mass Transfer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412110","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":"sha256:95e5e46000dfd269231680f3584df3eb352e4469a6035c602ce62fb4fe709697","target":"record","created_at":"2026-07-04T16:45:21Z","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":"438567837f94ae461aa47e509e91f1fd87fb4351529c5ed443114faa11b35e34","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-05T15:38:41Z","title_canon_sha256":"2ee9b9a5e12816d68a71edc1acb3e7c0f07d4d2f4ee0fc6443f970460c8925bf"},"schema_version":"1.0","source":{"id":"astro-ph/0412110","kind":"arxiv","version":1}},"canonical_sha256":"73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2","first_computed_at":"2026-07-04T16:45:21.309180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:45:21.309180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EKQpPLg9+wNimhQLyLjb7QVLcjYh/dELYy5DsSIOcBRfj2c5rk/OC9G33kQh0M/b2z0ELRoPufsSUb15cdlMAA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:45:21.309606Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0412110","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95e5e46000dfd269231680f3584df3eb352e4469a6035c602ce62fb4fe709697","sha256:40a5e6b4fc1358486cccc8e9ff58c902bf77651d4b3dc42e2702962297ffc833"],"state_sha256":"8b273129e87c32852812cf2b81187e1745ff60f06462f9ab26c4929c391c585d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1pONHRZcKn5Ba2kp8Zoymu2dKUV6zuyjCHaYAZa8s6CfoK2C7xv5b0yYLv3wVfintwzQdtjJHgvjt5RYCGluDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T23:30:04.191141Z","bundle_sha256":"dc409ac4307b28119a515f79742201cc178f47cff24717626ef876730422a1f1"}}