{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:V6LUPVJIGFCFGVMNOXBZSOFE27","short_pith_number":"pith:V6LUPVJI","canonical_record":{"source":{"id":"astro-ph/0411241","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-09T21:03:50Z","cross_cats_sorted":[],"title_canon_sha256":"6980c3e24b2604417b417a7ad13d88af1cd909c20751e8cb2e87b6b47c52242d","abstract_canon_sha256":"9a9320bdc5d265a290922201d6bf7ebba3a8517f1e9781641ecc1e5f2561d95a"},"schema_version":"1.0"},"canonical_sha256":"af9747d528314453558d75c39938a4d7de111ad295bd2a12bbbb9f2d3405cf53","source":{"kind":"arxiv","id":"astro-ph/0411241","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411241","created_at":"2026-05-18T04:38:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411241v1","created_at":"2026-05-18T04:38:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411241","created_at":"2026-05-18T04:38:15Z"},{"alias_kind":"pith_short_12","alias_value":"V6LUPVJIGFCF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"V6LUPVJIGFCFGVMN","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"V6LUPVJI","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:V6LUPVJIGFCFGVMNOXBZSOFE27","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0411241","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-09T21:03:50Z","cross_cats_sorted":[],"title_canon_sha256":"6980c3e24b2604417b417a7ad13d88af1cd909c20751e8cb2e87b6b47c52242d","abstract_canon_sha256":"9a9320bdc5d265a290922201d6bf7ebba3a8517f1e9781641ecc1e5f2561d95a"},"schema_version":"1.0"},"canonical_sha256":"af9747d528314453558d75c39938a4d7de111ad295bd2a12bbbb9f2d3405cf53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:15.885238Z","signature_b64":"6Eb4dU1iFYJAmIkLk+Zq8I2jviSBlkx+do0F7/5IKhMiKqAIPHs86mbWrerAx+CfxyIqmeDFPnB1GjZTAupdAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af9747d528314453558d75c39938a4d7de111ad295bd2a12bbbb9f2d3405cf53","last_reissued_at":"2026-05-18T04:38:15.884598Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:15.884598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0411241","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":"2026-05-18T04:38:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QxWydGVcDKZ61DTsaKWKwGhtXU2mmC2SwFPQQnMXAsK+WJnNTZdlH9TPvj3qiIJUVOy25DQw7nPlyDM3pFQTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T18:11:34.979781Z"},"content_sha256":"690a76ec487dbe8c38dee571d397ee25c8ffe816c2ec2025b523ee67b5f5d86e","schema_version":"1.0","event_id":"sha256:690a76ec487dbe8c38dee571d397ee25c8ffe816c2ec2025b523ee67b5f5d86e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:V6LUPVJIGFCFGVMNOXBZSOFE27","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Abundances of C, N, O in slightly evolved stars in the globular clusters NGC 6397, NGC 6752 and 47 Tuc","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) INAF-Oss.Astr. Padova, (3) INAF-Oss.Astr. Trieste), Angela Bragaglia (1), Eugenio Carretta (1), Piercarlo Bonifacio (3) ((1) INAF-Oss.Astr. Bologna, Raffaele Gratton (2), Sara Lucatello (2)","submitted_at":"2004-11-09T21:03:50Z","abstract_excerpt":"Abundances of C and N are derived from features due to the CH G-band and to the UV CN band measured on high resolution (R ~ 40,000) UVES spectra of more than 40 dwarfs and subgiants in NGC 6397, NGC 6752 and 47 Tuc. Oxygen abundances (or upper limits) are available for all stars in the sample. Isotopic ratios 12C/13C were derived from the CH molecular band. This is the first determination of this ratio in unevolved dwarf stars in globular clusters. By enlarging the sample of subgiants in NGC 6397 studied in Gratton et al. (2001), we uncovered, for the first time, large variations in both Na an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411241","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":"2026-05-18T04:38:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gflOOqnmm8nXvqWxWZKG48nQAF2ElN1oCuXsJ6vkbN+SyDBB7eOm3vh2KZ+EpVyNu0E/FvMW0h+MbaYJKrAoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T18:11:34.980558Z"},"content_sha256":"f7e71c4f2b697bb159c9d17a586aca85b51ce5cb373da9a4d620c8470c38f98a","schema_version":"1.0","event_id":"sha256:f7e71c4f2b697bb159c9d17a586aca85b51ce5cb373da9a4d620c8470c38f98a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V6LUPVJIGFCFGVMNOXBZSOFE27/bundle.json","state_url":"https://pith.science/pith/V6LUPVJIGFCFGVMNOXBZSOFE27/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V6LUPVJIGFCFGVMNOXBZSOFE27/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":"2026-05-31T18:11:34Z","links":{"resolver":"https://pith.science/pith/V6LUPVJIGFCFGVMNOXBZSOFE27","bundle":"https://pith.science/pith/V6LUPVJIGFCFGVMNOXBZSOFE27/bundle.json","state":"https://pith.science/pith/V6LUPVJIGFCFGVMNOXBZSOFE27/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V6LUPVJIGFCFGVMNOXBZSOFE27/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:V6LUPVJIGFCFGVMNOXBZSOFE27","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":"9a9320bdc5d265a290922201d6bf7ebba3a8517f1e9781641ecc1e5f2561d95a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-09T21:03:50Z","title_canon_sha256":"6980c3e24b2604417b417a7ad13d88af1cd909c20751e8cb2e87b6b47c52242d"},"schema_version":"1.0","source":{"id":"astro-ph/0411241","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411241","created_at":"2026-05-18T04:38:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411241v1","created_at":"2026-05-18T04:38:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411241","created_at":"2026-05-18T04:38:15Z"},{"alias_kind":"pith_short_12","alias_value":"V6LUPVJIGFCF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"V6LUPVJIGFCFGVMN","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"V6LUPVJI","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:f7e71c4f2b697bb159c9d17a586aca85b51ce5cb373da9a4d620c8470c38f98a","target":"graph","created_at":"2026-05-18T04:38:15Z","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":"Abundances of C and N are derived from features due to the CH G-band and to the UV CN band measured on high resolution (R ~ 40,000) UVES spectra of more than 40 dwarfs and subgiants in NGC 6397, NGC 6752 and 47 Tuc. Oxygen abundances (or upper limits) are available for all stars in the sample. Isotopic ratios 12C/13C were derived from the CH molecular band. This is the first determination of this ratio in unevolved dwarf stars in globular clusters. By enlarging the sample of subgiants in NGC 6397 studied in Gratton et al. (2001), we uncovered, for the first time, large variations in both Na an","authors_text":"(2) INAF-Oss.Astr. Padova, (3) INAF-Oss.Astr. Trieste), Angela Bragaglia (1), Eugenio Carretta (1), Piercarlo Bonifacio (3) ((1) INAF-Oss.Astr. Bologna, Raffaele Gratton (2), Sara Lucatello (2)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-11-09T21:03:50Z","title":"Abundances of C, N, O in slightly evolved stars in the globular clusters NGC 6397, NGC 6752 and 47 Tuc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411241","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":"sha256:690a76ec487dbe8c38dee571d397ee25c8ffe816c2ec2025b523ee67b5f5d86e","target":"record","created_at":"2026-05-18T04:38:15Z","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":"9a9320bdc5d265a290922201d6bf7ebba3a8517f1e9781641ecc1e5f2561d95a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-09T21:03:50Z","title_canon_sha256":"6980c3e24b2604417b417a7ad13d88af1cd909c20751e8cb2e87b6b47c52242d"},"schema_version":"1.0","source":{"id":"astro-ph/0411241","kind":"arxiv","version":1}},"canonical_sha256":"af9747d528314453558d75c39938a4d7de111ad295bd2a12bbbb9f2d3405cf53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af9747d528314453558d75c39938a4d7de111ad295bd2a12bbbb9f2d3405cf53","first_computed_at":"2026-05-18T04:38:15.884598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:15.884598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Eb4dU1iFYJAmIkLk+Zq8I2jviSBlkx+do0F7/5IKhMiKqAIPHs86mbWrerAx+CfxyIqmeDFPnB1GjZTAupdAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:15.885238Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0411241","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:690a76ec487dbe8c38dee571d397ee25c8ffe816c2ec2025b523ee67b5f5d86e","sha256:f7e71c4f2b697bb159c9d17a586aca85b51ce5cb373da9a4d620c8470c38f98a"],"state_sha256":"277231555b013f688031d85aa13c50fd4ea9b8ac61058dafee4b2daa68c7f3df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xCBWI7wJRK9eVjLkeVBhu2Iiq0c3rYEs7XuJx/FYlzHw9KZR84DSh+R4Wa0GUvTfwOrVntq8O+8BSFBi1V1kAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T18:11:34.984544Z","bundle_sha256":"deff361b4ec4ec3e533606e51047e336d1d7bf02f7fbd6f343c04dccf0f5551e"}}