{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MMWHSL5B3GYFPNOIMQKPOV6OPO","short_pith_number":"pith:MMWHSL5B","canonical_record":{"source":{"id":"1412.4108","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-12T20:47:57Z","cross_cats_sorted":[],"title_canon_sha256":"358c980185e7847281a0f949c8d78b2839e616395309404bc0a9ec297242bd01","abstract_canon_sha256":"519057b2e7eb58e9a348877bdb04c9a113b696fae8d5412748467e181ba9f2ac"},"schema_version":"1.0"},"canonical_sha256":"632c792fa1d9b057b5c86414f757ce7bac7ed88989a8ebe634118e9a873542d5","source":{"kind":"arxiv","id":"1412.4108","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4108","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4108v1","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4108","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"pith_short_12","alias_value":"MMWHSL5B3GYF","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MMWHSL5B3GYFPNOI","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MMWHSL5B","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MMWHSL5B3GYFPNOIMQKPOV6OPO","target":"record","payload":{"canonical_record":{"source":{"id":"1412.4108","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-12T20:47:57Z","cross_cats_sorted":[],"title_canon_sha256":"358c980185e7847281a0f949c8d78b2839e616395309404bc0a9ec297242bd01","abstract_canon_sha256":"519057b2e7eb58e9a348877bdb04c9a113b696fae8d5412748467e181ba9f2ac"},"schema_version":"1.0"},"canonical_sha256":"632c792fa1d9b057b5c86414f757ce7bac7ed88989a8ebe634118e9a873542d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:19.523486Z","signature_b64":"4b+5ZYW4GF5wB3lX/lmwC4bePBKDTK1uKqVbjxa3CNWPxsZ9dEtYvMVo01hSJDT4G0DSGjwSErQTyfvXiw1LCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"632c792fa1d9b057b5c86414f757ce7bac7ed88989a8ebe634118e9a873542d5","last_reissued_at":"2026-05-18T01:41:19.522818Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:19.522818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.4108","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":"2026-05-18T01:41:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+0TAm5MYDkGihlI1MjAqQNArgJfy0lWWOoGZ4kXj8zXo7RE5cEB+vScnUa34QRi5zahyOAR9GvJomV6XtA7aAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:59:02.341390Z"},"content_sha256":"d387675f2cb3a4f1dbb8a1da62c6e086ab6b72a0998bcdce177c47e4e304def9","schema_version":"1.0","event_id":"sha256:d387675f2cb3a4f1dbb8a1da62c6e086ab6b72a0998bcdce177c47e4e304def9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MMWHSL5B3GYFPNOIMQKPOV6OPO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AGB Sodium Abundances in the Globular Cluster 47 Tucanae (NGC 104)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Albert A. Zijlstra, Catherine A. Pilachowski, Christian I. Johnson, Edward Olszewski, Iain McDonald, Ian Thompson, Jeffrey D. Crane, John I. Bailey III, Maria J. Cordero, Mario Mateo, Stephen A. Shectman","submitted_at":"2014-12-12T20:47:57Z","abstract_excerpt":"A recent analysis comparing the [Na/Fe] distributions of red giant branch (RGB) and asymptotic giant branch (AGB) stars in the Galactic globular cluster NGC 6752 found that the ratio of Na-poor to Na-rich stars changes from 30:70 on the RGB to 100:0 on the AGB. The surprising paucity of Na-rich stars on the AGB in NGC 6752 warrants additional investigations to determine if the failure of a significant fraction of stars to ascend the AGB is an attribute common to all globular clusters. Therefore, we present radial velocities, [Fe/H], and [Na/Fe] abundances for 35 AGB stars in the Galactic globu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4108","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":""},"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":"2026-05-18T01:41:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uCq1N3AsehMC6bZKTMqPL1jNYK6QubI9ZZSB77F3OdPw4TCupEu1aXZZGtfv89YMa3V/Cv0Dl7RlfPHVQh26Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:59:02.342048Z"},"content_sha256":"1cc18cfa33c086eee60da13b5ec9d30fcead59c73e1d0f5a5c864d7e19ed3c59","schema_version":"1.0","event_id":"sha256:1cc18cfa33c086eee60da13b5ec9d30fcead59c73e1d0f5a5c864d7e19ed3c59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO/bundle.json","state_url":"https://pith.science/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO/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":"2026-05-26T14:59:02Z","links":{"resolver":"https://pith.science/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO","bundle":"https://pith.science/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO/bundle.json","state":"https://pith.science/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MMWHSL5B3GYFPNOIMQKPOV6OPO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MMWHSL5B3GYFPNOIMQKPOV6OPO","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":"519057b2e7eb58e9a348877bdb04c9a113b696fae8d5412748467e181ba9f2ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-12T20:47:57Z","title_canon_sha256":"358c980185e7847281a0f949c8d78b2839e616395309404bc0a9ec297242bd01"},"schema_version":"1.0","source":{"id":"1412.4108","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4108","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4108v1","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4108","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"pith_short_12","alias_value":"MMWHSL5B3GYF","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MMWHSL5B3GYFPNOI","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MMWHSL5B","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:1cc18cfa33c086eee60da13b5ec9d30fcead59c73e1d0f5a5c864d7e19ed3c59","target":"graph","created_at":"2026-05-18T01:41:19Z","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"},"paper":{"abstract_excerpt":"A recent analysis comparing the [Na/Fe] distributions of red giant branch (RGB) and asymptotic giant branch (AGB) stars in the Galactic globular cluster NGC 6752 found that the ratio of Na-poor to Na-rich stars changes from 30:70 on the RGB to 100:0 on the AGB. The surprising paucity of Na-rich stars on the AGB in NGC 6752 warrants additional investigations to determine if the failure of a significant fraction of stars to ascend the AGB is an attribute common to all globular clusters. Therefore, we present radial velocities, [Fe/H], and [Na/Fe] abundances for 35 AGB stars in the Galactic globu","authors_text":"Albert A. Zijlstra, Catherine A. Pilachowski, Christian I. Johnson, Edward Olszewski, Iain McDonald, Ian Thompson, Jeffrey D. Crane, John I. Bailey III, Maria J. Cordero, Mario Mateo, Stephen A. Shectman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-12T20:47:57Z","title":"AGB Sodium Abundances in the Globular Cluster 47 Tucanae (NGC 104)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4108","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:d387675f2cb3a4f1dbb8a1da62c6e086ab6b72a0998bcdce177c47e4e304def9","target":"record","created_at":"2026-05-18T01:41:19Z","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":"519057b2e7eb58e9a348877bdb04c9a113b696fae8d5412748467e181ba9f2ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-12T20:47:57Z","title_canon_sha256":"358c980185e7847281a0f949c8d78b2839e616395309404bc0a9ec297242bd01"},"schema_version":"1.0","source":{"id":"1412.4108","kind":"arxiv","version":1}},"canonical_sha256":"632c792fa1d9b057b5c86414f757ce7bac7ed88989a8ebe634118e9a873542d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"632c792fa1d9b057b5c86414f757ce7bac7ed88989a8ebe634118e9a873542d5","first_computed_at":"2026-05-18T01:41:19.522818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:19.522818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4b+5ZYW4GF5wB3lX/lmwC4bePBKDTK1uKqVbjxa3CNWPxsZ9dEtYvMVo01hSJDT4G0DSGjwSErQTyfvXiw1LCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:19.523486Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.4108","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d387675f2cb3a4f1dbb8a1da62c6e086ab6b72a0998bcdce177c47e4e304def9","sha256:1cc18cfa33c086eee60da13b5ec9d30fcead59c73e1d0f5a5c864d7e19ed3c59"],"state_sha256":"d34e613b732b9c3deab2ade42b5f8d9fdfdf50110cef8cde17db22f5e46d22a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wYbZeac5j8YdyoSuly9QX1A28VUlYvfoje+cIPHsBjCRu+6F1pMSMgSeLecHNJI/Pe8N69Sf7l46F12yPbIMDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:59:02.344924Z","bundle_sha256":"7d3636d8b382d83d188900b531d40ffa88205a00947b42ee2cb4151faffaf011"}}