{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AFOXSDJVWORJ2KFLJYDP6TJCWA","short_pith_number":"pith:AFOXSDJV","canonical_record":{"source":{"id":"1506.01621","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-04T15:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"83441a71bfcdf2857875d889d17cfe67d6bff6c467f1880ce8c3e59f684df59e","abstract_canon_sha256":"77621b25e65d3e148ddd18f3aec8e1e2ba6f47549b8f1255e7969e1068d60aa3"},"schema_version":"1.0"},"canonical_sha256":"015d790d35b3a29d28ab4e06ff4d22b007281535cace1a4f80b0de6b1a0cf0d2","source":{"kind":"arxiv","id":"1506.01621","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.01621","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.01621v1","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.01621","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"AFOXSDJVWORJ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AFOXSDJVWORJ2KFL","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AFOXSDJV","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AFOXSDJVWORJ2KFLJYDP6TJCWA","target":"record","payload":{"canonical_record":{"source":{"id":"1506.01621","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-04T15:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"83441a71bfcdf2857875d889d17cfe67d6bff6c467f1880ce8c3e59f684df59e","abstract_canon_sha256":"77621b25e65d3e148ddd18f3aec8e1e2ba6f47549b8f1255e7969e1068d60aa3"},"schema_version":"1.0"},"canonical_sha256":"015d790d35b3a29d28ab4e06ff4d22b007281535cace1a4f80b0de6b1a0cf0d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:47.317116Z","signature_b64":"PMAKUXE9K5pQ3DVkKtxBE5/v2qjDSX3JC7EWmh2NUYx6BDVwM1fsnijqAQ7hmG05jg0OYgpUJhjbfaDud6+uBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"015d790d35b3a29d28ab4e06ff4d22b007281535cace1a4f80b0de6b1a0cf0d2","last_reissued_at":"2026-05-18T01:35:47.316554Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:47.316554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.01621","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":"2026-05-18T01:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G8vcelKt8XX4m0uZS1CQ0cfgoQ6yQBixuURWI33u2M3F+vd5ORvn1nSmM5HDzICBVpSOhVv39u+q20qb9xqtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:20:36.765325Z"},"content_sha256":"af1246f16f892d73584d5a84008bfe01bc91f416556e80cfb49a361b706be000","schema_version":"1.0","event_id":"sha256:af1246f16f892d73584d5a84008bfe01bc91f416556e80cfb49a361b706be000"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AFOXSDJVWORJ2KFLJYDP6TJCWA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic NLTE study of the -2.6 < [Fe/H] < 0.2 F and G dwarfs in the solar neighbourhood. I. Stellar atmosphere parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"F. Grupp, F. Liu, G. Zhao, H.-W. Zhang, J.-R. Shi, K. Tan, L. Mashonkina, M. Bolte, S. Alexeeva, T. Sitnova, Y.Q. Chen, Yu. Pakhomov","submitted_at":"2015-06-04T15:21:33Z","abstract_excerpt":"We present atmospheric parameters for 51 nearby FG dwarfs uniformly distributed over the -2.60 < [Fe/H] < +0.20 metallicity range that is suitable for the Galactic chemical evolution research. Lines of iron, Fe I and Fe II, were used to derive a homogeneous set of effective temperatures, surface gravities, iron abundances, and microturbulence velocities. We used high-resolution (R>60000) Shane/Hamilton and CFHT/ESPaDOnS observed spectra and non-local thermodynamic equilibrium (NLTE) line formation for Fe I and Fe II in the classical 1D model atmospheres. The spectroscopic method was tested wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.01621","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":"2026-05-18T01:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g5pOP/I84vOgv1nJZV6ao9cSCb0IgjxhjS2zA5ozxFsdn6YzGZWKAVi8Ai6YE2KH2U7pRB8itk9ng15DgIVDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:20:36.765920Z"},"content_sha256":"3f44b3ecb433eea4d6db41b85125fb17502f2c95aa8e69438e95fa472e2e878c","schema_version":"1.0","event_id":"sha256:3f44b3ecb433eea4d6db41b85125fb17502f2c95aa8e69438e95fa472e2e878c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA/bundle.json","state_url":"https://pith.science/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA/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":"2026-06-07T00:20:36Z","links":{"resolver":"https://pith.science/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA","bundle":"https://pith.science/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA/bundle.json","state":"https://pith.science/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFOXSDJVWORJ2KFLJYDP6TJCWA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AFOXSDJVWORJ2KFLJYDP6TJCWA","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":"77621b25e65d3e148ddd18f3aec8e1e2ba6f47549b8f1255e7969e1068d60aa3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-04T15:21:33Z","title_canon_sha256":"83441a71bfcdf2857875d889d17cfe67d6bff6c467f1880ce8c3e59f684df59e"},"schema_version":"1.0","source":{"id":"1506.01621","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.01621","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.01621v1","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.01621","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"AFOXSDJVWORJ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AFOXSDJVWORJ2KFL","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AFOXSDJV","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:3f44b3ecb433eea4d6db41b85125fb17502f2c95aa8e69438e95fa472e2e878c","target":"graph","created_at":"2026-05-18T01:35:47Z","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":"We present atmospheric parameters for 51 nearby FG dwarfs uniformly distributed over the -2.60 < [Fe/H] < +0.20 metallicity range that is suitable for the Galactic chemical evolution research. Lines of iron, Fe I and Fe II, were used to derive a homogeneous set of effective temperatures, surface gravities, iron abundances, and microturbulence velocities. We used high-resolution (R>60000) Shane/Hamilton and CFHT/ESPaDOnS observed spectra and non-local thermodynamic equilibrium (NLTE) line formation for Fe I and Fe II in the classical 1D model atmospheres. The spectroscopic method was tested wit","authors_text":"F. Grupp, F. Liu, G. Zhao, H.-W. Zhang, J.-R. Shi, K. Tan, L. Mashonkina, M. Bolte, S. Alexeeva, T. Sitnova, Y.Q. Chen, Yu. Pakhomov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-04T15:21:33Z","title":"Systematic NLTE study of the -2.6 < [Fe/H] < 0.2 F and G dwarfs in the solar neighbourhood. I. Stellar atmosphere parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.01621","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:af1246f16f892d73584d5a84008bfe01bc91f416556e80cfb49a361b706be000","target":"record","created_at":"2026-05-18T01:35:47Z","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":"77621b25e65d3e148ddd18f3aec8e1e2ba6f47549b8f1255e7969e1068d60aa3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-04T15:21:33Z","title_canon_sha256":"83441a71bfcdf2857875d889d17cfe67d6bff6c467f1880ce8c3e59f684df59e"},"schema_version":"1.0","source":{"id":"1506.01621","kind":"arxiv","version":1}},"canonical_sha256":"015d790d35b3a29d28ab4e06ff4d22b007281535cace1a4f80b0de6b1a0cf0d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"015d790d35b3a29d28ab4e06ff4d22b007281535cace1a4f80b0de6b1a0cf0d2","first_computed_at":"2026-05-18T01:35:47.316554Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:47.316554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PMAKUXE9K5pQ3DVkKtxBE5/v2qjDSX3JC7EWmh2NUYx6BDVwM1fsnijqAQ7hmG05jg0OYgpUJhjbfaDud6+uBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:47.317116Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.01621","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af1246f16f892d73584d5a84008bfe01bc91f416556e80cfb49a361b706be000","sha256:3f44b3ecb433eea4d6db41b85125fb17502f2c95aa8e69438e95fa472e2e878c"],"state_sha256":"2867486dfadb6f5de019d6d0233cd4d0eeb723b1a275160ec1c4244038dbd4fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HtIWfjxWGp/lS6cpZsFAIOO6b8rE0nnTjncZuGajDc5r4GH3rSSrQkpMBMsBUwV3yoKrUbVeZgKHWB5H988zBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T00:20:36.768875Z","bundle_sha256":"6aeabbc607e1c960d0d67d26d841c0139ee664bdd58bdc98df1122a728656b08"}}