{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YEU4F4IXTBMX5LB4SXDLZ6WEE3","short_pith_number":"pith:YEU4F4IX","canonical_record":{"source":{"id":"1807.09784","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-25T18:00:04Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"eff3000424cc23392d73187fbe3a23f6c06e73b6d7b2e9850826d96f6a570726","abstract_canon_sha256":"9c6cd1c6435e23ee43daf82916ded02490b18d108514d25a0434fce0280e9fef"},"schema_version":"1.0"},"canonical_sha256":"c129c2f11798597eac3c95c6bcfac426d6eae2b08c8a7e351329f4af60696059","source":{"kind":"arxiv","id":"1807.09784","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09784","created_at":"2026-05-18T00:06:37Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09784v1","created_at":"2026-05-18T00:06:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09784","created_at":"2026-05-18T00:06:37Z"},{"alias_kind":"pith_short_12","alias_value":"YEU4F4IXTBMX","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YEU4F4IXTBMX5LB4","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YEU4F4IX","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YEU4F4IXTBMX5LB4SXDLZ6WEE3","target":"record","payload":{"canonical_record":{"source":{"id":"1807.09784","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-25T18:00:04Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"eff3000424cc23392d73187fbe3a23f6c06e73b6d7b2e9850826d96f6a570726","abstract_canon_sha256":"9c6cd1c6435e23ee43daf82916ded02490b18d108514d25a0434fce0280e9fef"},"schema_version":"1.0"},"canonical_sha256":"c129c2f11798597eac3c95c6bcfac426d6eae2b08c8a7e351329f4af60696059","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:37.267743Z","signature_b64":"5pDmub1B9Qy/1jsY+B/CLZaz9lOKWQ3HeZ4MAirH2UTmMajiEm572IEaHzvEEAuCK+aX7kfvP9r2wOGSlH9YAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c129c2f11798597eac3c95c6bcfac426d6eae2b08c8a7e351329f4af60696059","last_reissued_at":"2026-05-18T00:06:37.267203Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:37.267203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.09784","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":"2026-05-18T00:06:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vFmhTVSDRyLaSM6GNCh4z+NDY9eL8F5Cnt64xGYsmq7PBbRGJsHpTCszpL+sXPm6OWmHz0tCqEgDWtd3sUaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:08:39.289630Z"},"content_sha256":"96fbfbda4ec84f0551e9f68226b1eb62471c6bce18d5beb7f4d68609941b8e63","schema_version":"1.0","event_id":"sha256:96fbfbda4ec84f0551e9f68226b1eb62471c6bce18d5beb7f4d68609941b8e63"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YEU4F4IXTBMX5LB4SXDLZ6WEE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"APOGEE Data Releases 13 and 14: Stellar Parameter and Abundance Comparisons With Independent Analyses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Carlos Allende Prieto, D. A. Garc\\'ia-Hern\\'andez, Diane K. Feuillet, Diogo Souto, Dmitry Bizyaev, Guy S. Stringfellow, Henrik J\\\"onsson, Jennifer Sobeck, J. G. Fern\\'andez-Trincado, Johanna Teske, Jon A. Holtzman, Katia Cunha, Keith Hawkins, Marc H. Pinsonneault, Matthew Shetrone, Olga Zamora, Ricardo Carrera, Sten Hasselquist, Steven R. Majewski, Szabolcs M\\'esz\\'aros, Verne Smith","submitted_at":"2018-07-25T18:00:04Z","abstract_excerpt":"Data from the SDSS-IV / Apache Point Observatory Galactic Evolution Experiment (APOGEE-2) have been released as part of SDSS Data Releases 13 (DR13) and 14 (DR14). These include high resolution H-band spectra, radial velocities, and derived stellar parameters and abundances. DR13, released in August 2016, contained APOGEE data for roughly 150,000 stars, and DR14, released in August 2017, added about 110,000 more. Stellar parameters and abundances have been derived with an automated pipeline, the APOGEE Stellar Parameter and Chemical Abundance Pipeline (ASPCAP). We evaluate the performance of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09784","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":"2026-05-18T00:06:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ZcvUnYdwXzOi2JMbDziqNVqCym3pP9SVHv3SwIC/ILJ0Gqr3jA/in3fTVB2ixR6WV2sc2VcuVB0MB6p2yhoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:08:39.289987Z"},"content_sha256":"f0938a0a0b6509593ac094c7767b37a1c5a0875c599b39ae8cf7220119a86bce","schema_version":"1.0","event_id":"sha256:f0938a0a0b6509593ac094c7767b37a1c5a0875c599b39ae8cf7220119a86bce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3/bundle.json","state_url":"https://pith.science/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3/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":"2026-06-02T11:08:39Z","links":{"resolver":"https://pith.science/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3","bundle":"https://pith.science/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3/bundle.json","state":"https://pith.science/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEU4F4IXTBMX5LB4SXDLZ6WEE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YEU4F4IXTBMX5LB4SXDLZ6WEE3","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":"9c6cd1c6435e23ee43daf82916ded02490b18d108514d25a0434fce0280e9fef","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-25T18:00:04Z","title_canon_sha256":"eff3000424cc23392d73187fbe3a23f6c06e73b6d7b2e9850826d96f6a570726"},"schema_version":"1.0","source":{"id":"1807.09784","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09784","created_at":"2026-05-18T00:06:37Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09784v1","created_at":"2026-05-18T00:06:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09784","created_at":"2026-05-18T00:06:37Z"},{"alias_kind":"pith_short_12","alias_value":"YEU4F4IXTBMX","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YEU4F4IXTBMX5LB4","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YEU4F4IX","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:f0938a0a0b6509593ac094c7767b37a1c5a0875c599b39ae8cf7220119a86bce","target":"graph","created_at":"2026-05-18T00:06:37Z","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":"Data from the SDSS-IV / Apache Point Observatory Galactic Evolution Experiment (APOGEE-2) have been released as part of SDSS Data Releases 13 (DR13) and 14 (DR14). These include high resolution H-band spectra, radial velocities, and derived stellar parameters and abundances. DR13, released in August 2016, contained APOGEE data for roughly 150,000 stars, and DR14, released in August 2017, added about 110,000 more. Stellar parameters and abundances have been derived with an automated pipeline, the APOGEE Stellar Parameter and Chemical Abundance Pipeline (ASPCAP). We evaluate the performance of t","authors_text":"Carlos Allende Prieto, D. A. Garc\\'ia-Hern\\'andez, Diane K. Feuillet, Diogo Souto, Dmitry Bizyaev, Guy S. Stringfellow, Henrik J\\\"onsson, Jennifer Sobeck, J. G. Fern\\'andez-Trincado, Johanna Teske, Jon A. Holtzman, Katia Cunha, Keith Hawkins, Marc H. Pinsonneault, Matthew Shetrone, Olga Zamora, Ricardo Carrera, Sten Hasselquist, Steven R. Majewski, Szabolcs M\\'esz\\'aros, Verne Smith","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-25T18:00:04Z","title":"APOGEE Data Releases 13 and 14: Stellar Parameter and Abundance Comparisons With Independent Analyses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09784","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":"sha256:96fbfbda4ec84f0551e9f68226b1eb62471c6bce18d5beb7f4d68609941b8e63","target":"record","created_at":"2026-05-18T00:06:37Z","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":"9c6cd1c6435e23ee43daf82916ded02490b18d108514d25a0434fce0280e9fef","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-25T18:00:04Z","title_canon_sha256":"eff3000424cc23392d73187fbe3a23f6c06e73b6d7b2e9850826d96f6a570726"},"schema_version":"1.0","source":{"id":"1807.09784","kind":"arxiv","version":1}},"canonical_sha256":"c129c2f11798597eac3c95c6bcfac426d6eae2b08c8a7e351329f4af60696059","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c129c2f11798597eac3c95c6bcfac426d6eae2b08c8a7e351329f4af60696059","first_computed_at":"2026-05-18T00:06:37.267203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:37.267203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5pDmub1B9Qy/1jsY+B/CLZaz9lOKWQ3HeZ4MAirH2UTmMajiEm572IEaHzvEEAuCK+aX7kfvP9r2wOGSlH9YAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:37.267743Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.09784","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96fbfbda4ec84f0551e9f68226b1eb62471c6bce18d5beb7f4d68609941b8e63","sha256:f0938a0a0b6509593ac094c7767b37a1c5a0875c599b39ae8cf7220119a86bce"],"state_sha256":"158ae7cd125ecdb894a66d2641d7f3f09a0c1969ae02548e5803d700777453a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K5oUuD5YsAJVJdREXPwzNvIccDoSzG/ghWzN84GApGfD8xo5m44ZfZ5Ety6/EPAEmBVFqnhdIoubJzpsv6HuAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:08:39.291979Z","bundle_sha256":"3e03ec1f8595332b01ac6beca63b7c0902fcf431218666c1c36cfdc1599d9923"}}