{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HZAFWTF37IPXI46CTPMKFXIZGT","short_pith_number":"pith:HZAFWTF3","canonical_record":{"source":{"id":"2411.13388","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-20T15:21:34Z","cross_cats_sorted":[],"title_canon_sha256":"a7f2b248d0d6b49ca2fcf5914ae8987faa190e841c773fb79051505e6d5dc4e6","abstract_canon_sha256":"d62a3ca0952953ccc36efcf75b3133116f6b927705e445c3ef7268426c5b5d3a"},"schema_version":"1.0"},"canonical_sha256":"3e405b4cbbfa1f7473c29bd8a2dd1934e2fb9dde3147f8cf11a3b0394c021e25","source":{"kind":"arxiv","id":"2411.13388","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.13388","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"arxiv_version","alias_value":"2411.13388v1","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.13388","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"pith_short_12","alias_value":"HZAFWTF37IPX","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"pith_short_16","alias_value":"HZAFWTF37IPXI46C","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"pith_short_8","alias_value":"HZAFWTF3","created_at":"2026-07-05T09:50:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HZAFWTF37IPXI46CTPMKFXIZGT","target":"record","payload":{"canonical_record":{"source":{"id":"2411.13388","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-20T15:21:34Z","cross_cats_sorted":[],"title_canon_sha256":"a7f2b248d0d6b49ca2fcf5914ae8987faa190e841c773fb79051505e6d5dc4e6","abstract_canon_sha256":"d62a3ca0952953ccc36efcf75b3133116f6b927705e445c3ef7268426c5b5d3a"},"schema_version":"1.0"},"canonical_sha256":"3e405b4cbbfa1f7473c29bd8a2dd1934e2fb9dde3147f8cf11a3b0394c021e25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:50:36.740885Z","signature_b64":"kHipj16AtcJLw2mNzUzuH0yAWfQJhyaZDizryY7LOlg9N31E6BqDoJmiNK1wB6hTF/HkntV7s0iM9mQaCDmFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e405b4cbbfa1f7473c29bd8a2dd1934e2fb9dde3147f8cf11a3b0394c021e25","last_reissued_at":"2026-07-05T09:50:36.740452Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:50:36.740452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.13388","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":"2026-07-05T09:50:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gmKffUOP4GvKGBG3x3ytw1X22QXP+7e0I2bYUtMFVWLIqswkSAOrxj5kwkd9Ep9ZTTEwXu+oHgRLB1ZE/RqkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:46:47.276188Z"},"content_sha256":"1b53326b6c03b324201743b35c8d500e90d140544b05d0d0a29077a81c1e0adb","schema_version":"1.0","event_id":"sha256:1b53326b6c03b324201743b35c8d500e90d140544b05d0d0a29077a81c1e0adb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HZAFWTF37IPXI46CTPMKFXIZGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The evolutionary state of the red giant star L$_2$ Puppis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"S. Uttenthaler","submitted_at":"2024-11-20T15:21:34Z","abstract_excerpt":"Context: L$_2$ Puppis (L$_2$ Pup) is a nearby red giant star and an important object in late-type star research because it has a dust disc and potentially a companion. Aims: L$_2$ Pup is often called the second-closest Asymptotic Giant Branch (AGB) star to the sun, second only to R Doradus. However, whether the star is indeed on the AGB or the Red Giant Branch (RGB) is questionable. We review its evolutionary state. Methods: We analyse high-resolution optical archive spectra to search for absorption lines of the third dredge-up indicator technetium (Tc) in L$_2$~Pup. We also compare the star t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.13388","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/2411.13388/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":"2026-07-05T09:50:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4JQINmmxzNbckqhcKQDRSCKEU8FpOw8qlnlNERw5w0VYA/plvcm3tOyn9TrO9XKq2tM/ook7tfKLVCtM0CN/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:46:47.276691Z"},"content_sha256":"fd6c287a7f05775972b26600fb39e692e523657faeb0753fd038113d56d68aa1","schema_version":"1.0","event_id":"sha256:fd6c287a7f05775972b26600fb39e692e523657faeb0753fd038113d56d68aa1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HZAFWTF37IPXI46CTPMKFXIZGT/bundle.json","state_url":"https://pith.science/pith/HZAFWTF37IPXI46CTPMKFXIZGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HZAFWTF37IPXI46CTPMKFXIZGT/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":"2026-08-16T20:46:47Z","links":{"resolver":"https://pith.science/pith/HZAFWTF37IPXI46CTPMKFXIZGT","bundle":"https://pith.science/pith/HZAFWTF37IPXI46CTPMKFXIZGT/bundle.json","state":"https://pith.science/pith/HZAFWTF37IPXI46CTPMKFXIZGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HZAFWTF37IPXI46CTPMKFXIZGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HZAFWTF37IPXI46CTPMKFXIZGT","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":"d62a3ca0952953ccc36efcf75b3133116f6b927705e445c3ef7268426c5b5d3a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-20T15:21:34Z","title_canon_sha256":"a7f2b248d0d6b49ca2fcf5914ae8987faa190e841c773fb79051505e6d5dc4e6"},"schema_version":"1.0","source":{"id":"2411.13388","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.13388","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"arxiv_version","alias_value":"2411.13388v1","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.13388","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"pith_short_12","alias_value":"HZAFWTF37IPX","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"pith_short_16","alias_value":"HZAFWTF37IPXI46C","created_at":"2026-07-05T09:50:36Z"},{"alias_kind":"pith_short_8","alias_value":"HZAFWTF3","created_at":"2026-07-05T09:50:36Z"}],"graph_snapshots":[{"event_id":"sha256:fd6c287a7f05775972b26600fb39e692e523657faeb0753fd038113d56d68aa1","target":"graph","created_at":"2026-07-05T09:50:36Z","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/2411.13388/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context: L$_2$ Puppis (L$_2$ Pup) is a nearby red giant star and an important object in late-type star research because it has a dust disc and potentially a companion. Aims: L$_2$ Pup is often called the second-closest Asymptotic Giant Branch (AGB) star to the sun, second only to R Doradus. However, whether the star is indeed on the AGB or the Red Giant Branch (RGB) is questionable. We review its evolutionary state. Methods: We analyse high-resolution optical archive spectra to search for absorption lines of the third dredge-up indicator technetium (Tc) in L$_2$~Pup. We also compare the star t","authors_text":"S. Uttenthaler","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-20T15:21:34Z","title":"The evolutionary state of the red giant star L$_2$ Puppis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.13388","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":"sha256:1b53326b6c03b324201743b35c8d500e90d140544b05d0d0a29077a81c1e0adb","target":"record","created_at":"2026-07-05T09:50:36Z","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":"d62a3ca0952953ccc36efcf75b3133116f6b927705e445c3ef7268426c5b5d3a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-11-20T15:21:34Z","title_canon_sha256":"a7f2b248d0d6b49ca2fcf5914ae8987faa190e841c773fb79051505e6d5dc4e6"},"schema_version":"1.0","source":{"id":"2411.13388","kind":"arxiv","version":1}},"canonical_sha256":"3e405b4cbbfa1f7473c29bd8a2dd1934e2fb9dde3147f8cf11a3b0394c021e25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e405b4cbbfa1f7473c29bd8a2dd1934e2fb9dde3147f8cf11a3b0394c021e25","first_computed_at":"2026-07-05T09:50:36.740452Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:50:36.740452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kHipj16AtcJLw2mNzUzuH0yAWfQJhyaZDizryY7LOlg9N31E6BqDoJmiNK1wB6hTF/HkntV7s0iM9mQaCDmFCg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:50:36.740885Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.13388","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b53326b6c03b324201743b35c8d500e90d140544b05d0d0a29077a81c1e0adb","sha256:fd6c287a7f05775972b26600fb39e692e523657faeb0753fd038113d56d68aa1"],"state_sha256":"7ef0797fa6ccdc0839f9816f37e267ef07fd7ddff75e431e467b6ba84595c475"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hg9PXobgpUnu2Rof8S36dEZNJV50fcKfEhvDG1wUW/hEquYCqgIIsIdjkK8lFeb8shVqFpdKDeAE9JO+dXkYBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T20:46:47.280168Z","bundle_sha256":"408b1054bd57da0d43840d4b316d9208cd10035f48521ac87ec44ead8876008d"}}