{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2EYKOJDUECLAX2SUEATWKV7O5Y","short_pith_number":"pith:2EYKOJDU","canonical_record":{"source":{"id":"2607.27328","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-29T18:00:03Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"d77f01e92831c2120da9242fd51e21f0e63fd6a3f52d5a4691f222eb0541d7a0","abstract_canon_sha256":"1269c0eca46fcca98efd1f3ada6137a66b3921a94d71f1b676c5e5b6edafdaba"},"schema_version":"1.0"},"canonical_sha256":"d130a7247420960bea5420276557eeee12386975f39577cee32edbf8d54437cb","source":{"kind":"arxiv","id":"2607.27328","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27328","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27328v1","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27328","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"pith_short_12","alias_value":"2EYKOJDUECLA","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"pith_short_16","alias_value":"2EYKOJDUECLAX2SU","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"pith_short_8","alias_value":"2EYKOJDU","created_at":"2026-07-31T00:10:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2EYKOJDUECLAX2SUEATWKV7O5Y","target":"record","payload":{"canonical_record":{"source":{"id":"2607.27328","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-29T18:00:03Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"d77f01e92831c2120da9242fd51e21f0e63fd6a3f52d5a4691f222eb0541d7a0","abstract_canon_sha256":"1269c0eca46fcca98efd1f3ada6137a66b3921a94d71f1b676c5e5b6edafdaba"},"schema_version":"1.0"},"canonical_sha256":"d130a7247420960bea5420276557eeee12386975f39577cee32edbf8d54437cb","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d130a7247420960bea5420276557eeee12386975f39577cee32edbf8d54437cb","last_reissued_at":"2026-07-31T00:10:38.322871Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T00:10:38.322871Z"},"source_kind":"arxiv","source_id":"2607.27328","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":"2026-07-31T00:10:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HI5/DVE0FCtlzELoFWCVtooYV19jxc9dhuKo5VEiKyeBLdtVaNBDt90YMqoTh8D/xJe/4GfoIyL2NDVHWZlNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T04:18:54.257147Z"},"content_sha256":"3d9d71f2c9cb629f1e0850f0bf36c0218fbd9a89ca49817bfd61b60a2fdcbff2","schema_version":"1.0","event_id":"sha256:3d9d71f2c9cb629f1e0850f0bf36c0218fbd9a89ca49817bfd61b60a2fdcbff2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2EYKOJDUECLAX2SUEATWKV7O5Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PANTERA. I. Hunting for the Most Metal-Rich Stars in the Solar Neighborhood with High-Resolution Spectroscopy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Benjamin J. Fulton, D. M. Rowan, Howard Isaacson, Ilya Ilyin, Jessica Lu, K. Z. Stanek, Serat M. Saad","submitted_at":"2026-07-29T18:00:03Z","abstract_excerpt":"We present PANTERA (Project for Astrophysical Nucleosynthesis and Targeted Exploration of metal-Rich Abundances), a high-resolution spectroscopic survey of the most metal-rich stars in the solar neighborhood. In this first paper, we report iron abundances for 56 metal-rich stars, selected from Gaia DR3 XP spectrophotometric metallicities. These targets were observed with the PEPSI spectrograph on the Large Binocular Telescope (LBT), the Levy spectrograph on the Automated Planet Finder (APF) telescope, and the HIRES spectrograph on the Keck telescope. We measure [Fe/H] from an equivalent-width "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27328","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.27328/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-31T00:10:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"liOkSrs6I7okVIbxVOURqNUOwda0atao7IW7FmmtAikeanZvrZw5wAnNeZrgauKVSeXtg4yHqvNHOGCRhT9WBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T04:18:54.257985Z"},"content_sha256":"858fc4cfbde748778644dc8628e2ceaf3b71be30852331f76c8bbf47a5731254","schema_version":"1.0","event_id":"sha256:858fc4cfbde748778644dc8628e2ceaf3b71be30852331f76c8bbf47a5731254"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2EYKOJDUECLAX2SUEATWKV7O5Y/bundle.json","state_url":"https://pith.science/pith/2EYKOJDUECLAX2SUEATWKV7O5Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2EYKOJDUECLAX2SUEATWKV7O5Y/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":"2026-08-03T04:18:54Z","links":{"resolver":"https://pith.science/pith/2EYKOJDUECLAX2SUEATWKV7O5Y","bundle":"https://pith.science/pith/2EYKOJDUECLAX2SUEATWKV7O5Y/bundle.json","state":"https://pith.science/pith/2EYKOJDUECLAX2SUEATWKV7O5Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2EYKOJDUECLAX2SUEATWKV7O5Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2EYKOJDUECLAX2SUEATWKV7O5Y","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":"1269c0eca46fcca98efd1f3ada6137a66b3921a94d71f1b676c5e5b6edafdaba","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-29T18:00:03Z","title_canon_sha256":"d77f01e92831c2120da9242fd51e21f0e63fd6a3f52d5a4691f222eb0541d7a0"},"schema_version":"1.0","source":{"id":"2607.27328","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27328","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27328v1","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27328","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"pith_short_12","alias_value":"2EYKOJDUECLA","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"pith_short_16","alias_value":"2EYKOJDUECLAX2SU","created_at":"2026-07-31T00:10:38Z"},{"alias_kind":"pith_short_8","alias_value":"2EYKOJDU","created_at":"2026-07-31T00:10:38Z"}],"graph_snapshots":[{"event_id":"sha256:858fc4cfbde748778644dc8628e2ceaf3b71be30852331f76c8bbf47a5731254","target":"graph","created_at":"2026-07-31T00:10:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.27328/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present PANTERA (Project for Astrophysical Nucleosynthesis and Targeted Exploration of metal-Rich Abundances), a high-resolution spectroscopic survey of the most metal-rich stars in the solar neighborhood. In this first paper, we report iron abundances for 56 metal-rich stars, selected from Gaia DR3 XP spectrophotometric metallicities. These targets were observed with the PEPSI spectrograph on the Large Binocular Telescope (LBT), the Levy spectrograph on the Automated Planet Finder (APF) telescope, and the HIRES spectrograph on the Keck telescope. We measure [Fe/H] from an equivalent-width ","authors_text":"Benjamin J. Fulton, D. M. Rowan, Howard Isaacson, Ilya Ilyin, Jessica Lu, K. Z. Stanek, Serat M. Saad","cross_cats":["astro-ph.GA","astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-29T18:00:03Z","title":"PANTERA. I. Hunting for the Most Metal-Rich Stars in the Solar Neighborhood with High-Resolution Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27328","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":"sha256:3d9d71f2c9cb629f1e0850f0bf36c0218fbd9a89ca49817bfd61b60a2fdcbff2","target":"record","created_at":"2026-07-31T00:10:38Z","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":"1269c0eca46fcca98efd1f3ada6137a66b3921a94d71f1b676c5e5b6edafdaba","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-29T18:00:03Z","title_canon_sha256":"d77f01e92831c2120da9242fd51e21f0e63fd6a3f52d5a4691f222eb0541d7a0"},"schema_version":"1.0","source":{"id":"2607.27328","kind":"arxiv","version":1}},"canonical_sha256":"d130a7247420960bea5420276557eeee12386975f39577cee32edbf8d54437cb","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d130a7247420960bea5420276557eeee12386975f39577cee32edbf8d54437cb","first_computed_at":"2026-07-31T00:10:38.322871Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T00:10:38.322871Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.27328","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d9d71f2c9cb629f1e0850f0bf36c0218fbd9a89ca49817bfd61b60a2fdcbff2","sha256:858fc4cfbde748778644dc8628e2ceaf3b71be30852331f76c8bbf47a5731254"],"state_sha256":"b92c49444d50076ce93c04e09807386bfedf2a8612b11ed9d753968705394250"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dwlc4ABCfBEXHLJuxwH5uGDvhsNdAHIPENdsx+yz7OyA7swsURzPLhKA3v9kRwA7eGQNpZKjA5irD8G4RG5mDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T04:18:54.262602Z","bundle_sha256":"f310572db157f4f05532dd22e0273274787c4ff9ea150a9df238a59fc1eaa0ae"}}