{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:CKBEGPBEUVCK6VS3CFBIQNPL3C","short_pith_number":"pith:CKBEGPBE","canonical_record":{"source":{"id":"1002.4477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-02-24T07:07:32Z","cross_cats_sorted":[],"title_canon_sha256":"6fbd1c5968e8dd97743198808bf2f8d08ae5c1e273c74bf00eb17140d9d181db","abstract_canon_sha256":"2c0f0d70cedb82275532b8f4de0b8517c4778f1faead2e414da6a51196083166"},"schema_version":"1.0"},"canonical_sha256":"1282433c24a544af565b11428835ebd8b1c9c7be6a397fa3d5678e00b7868e30","source":{"kind":"arxiv","id":"1002.4477","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.4477","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"arxiv_version","alias_value":"1002.4477v1","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.4477","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"pith_short_12","alias_value":"CKBEGPBEUVCK","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CKBEGPBEUVCK6VS3","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CKBEGPBE","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:CKBEGPBEUVCK6VS3CFBIQNPL3C","target":"record","payload":{"canonical_record":{"source":{"id":"1002.4477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-02-24T07:07:32Z","cross_cats_sorted":[],"title_canon_sha256":"6fbd1c5968e8dd97743198808bf2f8d08ae5c1e273c74bf00eb17140d9d181db","abstract_canon_sha256":"2c0f0d70cedb82275532b8f4de0b8517c4778f1faead2e414da6a51196083166"},"schema_version":"1.0"},"canonical_sha256":"1282433c24a544af565b11428835ebd8b1c9c7be6a397fa3d5678e00b7868e30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:57.470218Z","signature_b64":"nm02fwWzaXyNnMUBBmXwviC1LA9zjYSn6mm2E+r90wMf4QRCGrBNI0W0uMfx40Pnx5T3G1m7adUSOKqDJEBJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1282433c24a544af565b11428835ebd8b1c9c7be6a397fa3d5678e00b7868e30","last_reissued_at":"2026-05-18T02:08:57.469336Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:57.469336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1002.4477","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":"2026-05-18T02:08:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LZRk5ewibn/ZVBRQKSEoUm6YZFe8tUwyyBDTm4+DGxyB7z1zG5xE3WPINNgi1XWdQ/58/21XVkU08Ef/abVWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:05:16.160548Z"},"content_sha256":"2d41dfc302dae61b48b4ce133bfaad7798e7c4cac2c82562e9f93e5d689bae91","schema_version":"1.0","event_id":"sha256:2d41dfc302dae61b48b4ce133bfaad7798e7c4cac2c82562e9f93e5d689bae91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:CKBEGPBEUVCK6VS3CFBIQNPL3C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HD 209621: Abundances of neutron-capture elements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) National Astronomical Observatory, Aruna Goswami (1), Bangalore, Mitaka, Tokyo), Wako Aoki (2) ((1) Indian Institute of Astrophysics","submitted_at":"2010-02-24T07:07:32Z","abstract_excerpt":"High resolution spectra obtained from the Subaru Telescope High Dispersion Spectrograph have been used to update the stellar atmospheric parameters and metallicity of the star HD 209621. We have derived a metallicity of [Fe/H] = -1.93 for this star, and have found a large enhancement of carbon and of heavy elements, with respect to iron. Updates on the elemental abundances of four s-process elements (Y, Ce, Pr, Nd) along with the first estimates of abundances for a number of other heavy elements (Sr, Zr, Ba, La, Sm, Eu, Er, Pb) are reported. The stellar atmospheric parameters, the effective te"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.4477","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":"2026-05-18T02:08:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b7x6O2qUcH3w9m9rrl0k0gAuq6GwtvGGiC0Y7Qf1nnXnNErlZKKGDN9OimpzfDcZ4DhjSSWmVY0obk9OrnITAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:05:16.161279Z"},"content_sha256":"8efbc18f5af8a5e0efe365f6ab117c8eac518a7b3bb879f6a3d6c1ca743fbd03","schema_version":"1.0","event_id":"sha256:8efbc18f5af8a5e0efe365f6ab117c8eac518a7b3bb879f6a3d6c1ca743fbd03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C/bundle.json","state_url":"https://pith.science/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C/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":"2026-06-05T22:05:16Z","links":{"resolver":"https://pith.science/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C","bundle":"https://pith.science/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C/bundle.json","state":"https://pith.science/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CKBEGPBEUVCK6VS3CFBIQNPL3C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CKBEGPBEUVCK6VS3CFBIQNPL3C","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":"2c0f0d70cedb82275532b8f4de0b8517c4778f1faead2e414da6a51196083166","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-02-24T07:07:32Z","title_canon_sha256":"6fbd1c5968e8dd97743198808bf2f8d08ae5c1e273c74bf00eb17140d9d181db"},"schema_version":"1.0","source":{"id":"1002.4477","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.4477","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"arxiv_version","alias_value":"1002.4477v1","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.4477","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"pith_short_12","alias_value":"CKBEGPBEUVCK","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CKBEGPBEUVCK6VS3","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CKBEGPBE","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:8efbc18f5af8a5e0efe365f6ab117c8eac518a7b3bb879f6a3d6c1ca743fbd03","target":"graph","created_at":"2026-05-18T02:08:57Z","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":"High resolution spectra obtained from the Subaru Telescope High Dispersion Spectrograph have been used to update the stellar atmospheric parameters and metallicity of the star HD 209621. We have derived a metallicity of [Fe/H] = -1.93 for this star, and have found a large enhancement of carbon and of heavy elements, with respect to iron. Updates on the elemental abundances of four s-process elements (Y, Ce, Pr, Nd) along with the first estimates of abundances for a number of other heavy elements (Sr, Zr, Ba, La, Sm, Eu, Er, Pb) are reported. The stellar atmospheric parameters, the effective te","authors_text":"(2) National Astronomical Observatory, Aruna Goswami (1), Bangalore, Mitaka, Tokyo), Wako Aoki (2) ((1) Indian Institute of Astrophysics","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-02-24T07:07:32Z","title":"HD 209621: Abundances of neutron-capture elements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.4477","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":"sha256:2d41dfc302dae61b48b4ce133bfaad7798e7c4cac2c82562e9f93e5d689bae91","target":"record","created_at":"2026-05-18T02:08:57Z","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":"2c0f0d70cedb82275532b8f4de0b8517c4778f1faead2e414da6a51196083166","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-02-24T07:07:32Z","title_canon_sha256":"6fbd1c5968e8dd97743198808bf2f8d08ae5c1e273c74bf00eb17140d9d181db"},"schema_version":"1.0","source":{"id":"1002.4477","kind":"arxiv","version":1}},"canonical_sha256":"1282433c24a544af565b11428835ebd8b1c9c7be6a397fa3d5678e00b7868e30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1282433c24a544af565b11428835ebd8b1c9c7be6a397fa3d5678e00b7868e30","first_computed_at":"2026-05-18T02:08:57.469336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:57.469336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nm02fwWzaXyNnMUBBmXwviC1LA9zjYSn6mm2E+r90wMf4QRCGrBNI0W0uMfx40Pnx5T3G1m7adUSOKqDJEBJAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:57.470218Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.4477","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d41dfc302dae61b48b4ce133bfaad7798e7c4cac2c82562e9f93e5d689bae91","sha256:8efbc18f5af8a5e0efe365f6ab117c8eac518a7b3bb879f6a3d6c1ca743fbd03"],"state_sha256":"6b40ceedb0ee522adc8ded6f70ef712c0bd53a878ef5276ee1089371999256db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oFPaBAvUc48GP2++y1ADrecimxgZEseROvqD2h2Evo2oNo3Wf//xAXxtvL7AFYClwYD6YBmne3HeELG7rkO7DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T22:05:16.165869Z","bundle_sha256":"e4823f4c79e5ed95558338dc038f2922e401a115bb2c9878f409f8a98d26b931"}}