{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:AGAIRIOOYZQDXCZB2LYW7ZDHBX","short_pith_number":"pith:AGAIRIOO","canonical_record":{"source":{"id":"1408.6687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-28T11:27:36Z","cross_cats_sorted":[],"title_canon_sha256":"84f3cba08329c09236b984537618451d0a51e1dcff32c9285f2485d81d414473","abstract_canon_sha256":"9670f312f31ef82d8a8ef6496751854fa8d21019f874164e726edec7b6c766c3"},"schema_version":"1.0"},"canonical_sha256":"018088a1cec6603b8b21d2f16fe4670dc9a5e450c6e013a2ce2c763052bedd90","source":{"kind":"arxiv","id":"1408.6687","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6687","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6687v1","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6687","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"AGAIRIOOYZQD","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AGAIRIOOYZQDXCZB","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AGAIRIOO","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:AGAIRIOOYZQDXCZB2LYW7ZDHBX","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-28T11:27:36Z","cross_cats_sorted":[],"title_canon_sha256":"84f3cba08329c09236b984537618451d0a51e1dcff32c9285f2485d81d414473","abstract_canon_sha256":"9670f312f31ef82d8a8ef6496751854fa8d21019f874164e726edec7b6c766c3"},"schema_version":"1.0"},"canonical_sha256":"018088a1cec6603b8b21d2f16fe4670dc9a5e450c6e013a2ce2c763052bedd90","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:53.278636Z","signature_b64":"VbTB90fGfjj36jAvnM/OzexRKDLbDqRCDbL7e2+DUnElwj+lvEc2sMJdtvWr+J/llF7hgr8tXSNLC0rpFWkLBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"018088a1cec6603b8b21d2f16fe4670dc9a5e450c6e013a2ce2c763052bedd90","last_reissued_at":"2026-05-18T02:32:53.278093Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:53.278093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6687","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":"2026-05-18T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bRF4dBvcVS0lxczHL49RL5ecNICHDGj9G6XZE2xFdXM3zxaxYOXWuCM8ndrS6pSwH7qnsh3Phd6an23gnjYcAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:15:14.542413Z"},"content_sha256":"0ac6779c8f4bb2e482348cf9fc86df050c619134d7e5c78fbe5dde11c1fb404d","schema_version":"1.0","event_id":"sha256:0ac6779c8f4bb2e482348cf9fc86df050c619134d7e5c78fbe5dde11c1fb404d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:AGAIRIOOYZQDXCZB2LYW7ZDHBX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Gaia-ESO Survey: the chemical structure of the Galactic discs from the first internal data release","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Bragaglia, A. C. Lanzafame, A. Hourihane, A. Recio-Blanco, A. Vallenari, C. Allende Prieto, C. C. Worley, C. Lardo, D. Romano, E. Flaccomio, E. J. Alfaro, E. Maiorca, E. Pancino, F. Damiani, G. Carraro, G. Gilmore, G. Kordopatis, G. Micela, G. Tautvai\\v{s}iene, L. Magrini, L. Morbidelli, L. Sbordone, M. Bergemann, M. T. Costado, P. de Laverny, P. Jofr\\'e, R. Smiljanic, S. Feltzing, S. G. Sousa, S. Randich, S. Zaggia, T. Bensby, V. Hill, \\v{S}. Mikolaitis","submitted_at":"2014-08-28T11:27:36Z","abstract_excerpt":"Most high-resolution spectroscopic studies of the Galactic discs were mostly confined to objects in the solar vicinity. Here we aim at enlarging the volume in which individual chemical abundances are used to characterise both discs, using the first internal data release of the Gaia-ESO survey. We derive and discuss the abundances of eight elements (Mg, Al, Si, Ca, Ti, Fe, Cr, Ni, and Y). The trends of these elemental abundances with iron are very similar to those in the solar neighbourhood. We find a natural division between alpha-rich and alpha-poor stars, best seen in the bimodality of the ["},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6687","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":"2026-05-18T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uo9sviqgoxRBbZ8+sZHqZIhhy9joO4gwO2XIcPP0UFC8fuOBrwL5X+FwjsGnqIHSV9vE+X3rmIG1xqUcHwVECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:15:14.543057Z"},"content_sha256":"d53b592d033ef553d6334dfdc3e82f939f4b19f3f13a22f051604a195facb1eb","schema_version":"1.0","event_id":"sha256:d53b592d033ef553d6334dfdc3e82f939f4b19f3f13a22f051604a195facb1eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX/bundle.json","state_url":"https://pith.science/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX/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":"2026-05-25T04:15:14Z","links":{"resolver":"https://pith.science/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX","bundle":"https://pith.science/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX/bundle.json","state":"https://pith.science/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AGAIRIOOYZQDXCZB2LYW7ZDHBX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AGAIRIOOYZQDXCZB2LYW7ZDHBX","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":"9670f312f31ef82d8a8ef6496751854fa8d21019f874164e726edec7b6c766c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-28T11:27:36Z","title_canon_sha256":"84f3cba08329c09236b984537618451d0a51e1dcff32c9285f2485d81d414473"},"schema_version":"1.0","source":{"id":"1408.6687","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6687","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6687v1","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6687","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"AGAIRIOOYZQD","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AGAIRIOOYZQDXCZB","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AGAIRIOO","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:d53b592d033ef553d6334dfdc3e82f939f4b19f3f13a22f051604a195facb1eb","target":"graph","created_at":"2026-05-18T02:32:53Z","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":"Most high-resolution spectroscopic studies of the Galactic discs were mostly confined to objects in the solar vicinity. Here we aim at enlarging the volume in which individual chemical abundances are used to characterise both discs, using the first internal data release of the Gaia-ESO survey. We derive and discuss the abundances of eight elements (Mg, Al, Si, Ca, Ti, Fe, Cr, Ni, and Y). The trends of these elemental abundances with iron are very similar to those in the solar neighbourhood. We find a natural division between alpha-rich and alpha-poor stars, best seen in the bimodality of the [","authors_text":"A. Bragaglia, A. C. Lanzafame, A. Hourihane, A. Recio-Blanco, A. Vallenari, C. Allende Prieto, C. C. Worley, C. Lardo, D. Romano, E. Flaccomio, E. J. Alfaro, E. Maiorca, E. Pancino, F. Damiani, G. Carraro, G. Gilmore, G. Kordopatis, G. Micela, G. Tautvai\\v{s}iene, L. Magrini, L. Morbidelli, L. Sbordone, M. Bergemann, M. T. Costado, P. de Laverny, P. Jofr\\'e, R. Smiljanic, S. Feltzing, S. G. Sousa, S. Randich, S. Zaggia, T. Bensby, V. Hill, \\v{S}. Mikolaitis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-28T11:27:36Z","title":"The Gaia-ESO Survey: the chemical structure of the Galactic discs from the first internal data release"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6687","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":"sha256:0ac6779c8f4bb2e482348cf9fc86df050c619134d7e5c78fbe5dde11c1fb404d","target":"record","created_at":"2026-05-18T02:32:53Z","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":"9670f312f31ef82d8a8ef6496751854fa8d21019f874164e726edec7b6c766c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-28T11:27:36Z","title_canon_sha256":"84f3cba08329c09236b984537618451d0a51e1dcff32c9285f2485d81d414473"},"schema_version":"1.0","source":{"id":"1408.6687","kind":"arxiv","version":1}},"canonical_sha256":"018088a1cec6603b8b21d2f16fe4670dc9a5e450c6e013a2ce2c763052bedd90","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"018088a1cec6603b8b21d2f16fe4670dc9a5e450c6e013a2ce2c763052bedd90","first_computed_at":"2026-05-18T02:32:53.278093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:53.278093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VbTB90fGfjj36jAvnM/OzexRKDLbDqRCDbL7e2+DUnElwj+lvEc2sMJdtvWr+J/llF7hgr8tXSNLC0rpFWkLBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:53.278636Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6687","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ac6779c8f4bb2e482348cf9fc86df050c619134d7e5c78fbe5dde11c1fb404d","sha256:d53b592d033ef553d6334dfdc3e82f939f4b19f3f13a22f051604a195facb1eb"],"state_sha256":"c832d7e3486e5e2b90e5151021b04d36cacb4dd04c401c63b15a31cc7083b4af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RcFSr639a9EK6/iBkrrvmhCgkx5E/TWQVVSpfwsTnAAMmziBg2R+4N9fpo1bfxafjUsa10capF+HvzugZRmjDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T04:15:14.546847Z","bundle_sha256":"fa3530b920ab8c6551908d282a14e3ddcc0567ee6d4c75d385913fbe7e270aa2"}}