{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QUUWP437SY2J2KRFNCLUZRREVI","short_pith_number":"pith:QUUWP437","canonical_record":{"source":{"id":"1404.1967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-07T22:39:55Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"db60c217a68bcc15fbf24f0806c16327c40f3a0e47f28e4c08d8a9b527bcfb8c","abstract_canon_sha256":"46a8eccaadb08c2455a0cad4b9690eafb26c499efa021b376e6874c44bc1cf30"},"schema_version":"1.0"},"canonical_sha256":"852967f37f96349d2a2568974cc624aa2c034620b61102be07b6a8089f946900","source":{"kind":"arxiv","id":"1404.1967","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1967","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1967v1","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1967","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"pith_short_12","alias_value":"QUUWP437SY2J","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QUUWP437SY2J2KRF","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QUUWP437","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QUUWP437SY2J2KRFNCLUZRREVI","target":"record","payload":{"canonical_record":{"source":{"id":"1404.1967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-07T22:39:55Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"db60c217a68bcc15fbf24f0806c16327c40f3a0e47f28e4c08d8a9b527bcfb8c","abstract_canon_sha256":"46a8eccaadb08c2455a0cad4b9690eafb26c499efa021b376e6874c44bc1cf30"},"schema_version":"1.0"},"canonical_sha256":"852967f37f96349d2a2568974cc624aa2c034620b61102be07b6a8089f946900","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:36.693836Z","signature_b64":"cYfecuXZxj8aTt51l6f2IGcJp6xX1+qKk+AFvh9XmfJ81vWFGGxuudA8TeIpCeklLx4E22gRLaF7gyq36JzGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"852967f37f96349d2a2568974cc624aa2c034620b61102be07b6a8089f946900","last_reissued_at":"2026-05-18T01:43:36.693255Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:36.693255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.1967","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":"2026-05-18T01:43:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YWDeEqJyPUHNUwFx/ZT+KtbymuvL2CG6xOSll/9S2r0G7gZxD7XpoxMGQb9MBJNjxrrXSP21IuF/vkaFA1qrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:34:47.946857Z"},"content_sha256":"e4cda8ddc59e47222a33ca670ac93aeff3d301afd154eae86a5ff97157e59d48","schema_version":"1.0","event_id":"sha256:e4cda8ddc59e47222a33ca670ac93aeff3d301afd154eae86a5ff97157e59d48"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QUUWP437SY2J2KRFNCLUZRREVI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detailed Abundances of Planet-Hosting Wide Binaries. I. Did Planet Formation Imprint Chemical Signatures in the Atmospheres of HD 20782/81?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"(2) University of Tampa, 3), (3) Fisk University, (4) Lehigh University, (5) The Australian National University), Claude E. Mack III (1), John Norris (5) ((1) Vanderbilt University, Joshua Pepper (4), Keivan G. Stassun (1, Simon C. Schuler (2)","submitted_at":"2014-04-07T22:39:55Z","abstract_excerpt":"Using high-resolution echelle spectra obtained with Magellan/MIKE, we present a chemical abundance analysis of both stars in the planet-hosting wide binary system HD20782 + HD20781. Both stars are G dwarfs, and presumably coeval, forming in the same molecular cloud. Therefore we expect that they should possess the same bulk metallicities. Furthermore, both stars also host giant planets on eccentric orbits with pericenters $\\lesssim 0.2\\,$ AU. We investigate if planets with such orbits could lead to the host stars ingesting material, which in turn may leave similar chemical imprints in their at"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1967","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":"2026-05-18T01:43:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zzkl/9g1S71k58pNpwrQ1HXsBMkX+Fq6lwSRCGOY3e8syRdis0Xl1XjIutdn6IO5dXeYnlfVWa3VEFJtby/UCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:34:47.947577Z"},"content_sha256":"ca735c83daf412c675f80cbf612ee85d23d4b8c2b7acfcd6f780700e29f2253e","schema_version":"1.0","event_id":"sha256:ca735c83daf412c675f80cbf612ee85d23d4b8c2b7acfcd6f780700e29f2253e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUUWP437SY2J2KRFNCLUZRREVI/bundle.json","state_url":"https://pith.science/pith/QUUWP437SY2J2KRFNCLUZRREVI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUUWP437SY2J2KRFNCLUZRREVI/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":"2026-05-23T11:34:47Z","links":{"resolver":"https://pith.science/pith/QUUWP437SY2J2KRFNCLUZRREVI","bundle":"https://pith.science/pith/QUUWP437SY2J2KRFNCLUZRREVI/bundle.json","state":"https://pith.science/pith/QUUWP437SY2J2KRFNCLUZRREVI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUUWP437SY2J2KRFNCLUZRREVI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QUUWP437SY2J2KRFNCLUZRREVI","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":"46a8eccaadb08c2455a0cad4b9690eafb26c499efa021b376e6874c44bc1cf30","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-07T22:39:55Z","title_canon_sha256":"db60c217a68bcc15fbf24f0806c16327c40f3a0e47f28e4c08d8a9b527bcfb8c"},"schema_version":"1.0","source":{"id":"1404.1967","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1967","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1967v1","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1967","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"pith_short_12","alias_value":"QUUWP437SY2J","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QUUWP437SY2J2KRF","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QUUWP437","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:ca735c83daf412c675f80cbf612ee85d23d4b8c2b7acfcd6f780700e29f2253e","target":"graph","created_at":"2026-05-18T01:43:36Z","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":"Using high-resolution echelle spectra obtained with Magellan/MIKE, we present a chemical abundance analysis of both stars in the planet-hosting wide binary system HD20782 + HD20781. Both stars are G dwarfs, and presumably coeval, forming in the same molecular cloud. Therefore we expect that they should possess the same bulk metallicities. Furthermore, both stars also host giant planets on eccentric orbits with pericenters $\\lesssim 0.2\\,$ AU. We investigate if planets with such orbits could lead to the host stars ingesting material, which in turn may leave similar chemical imprints in their at","authors_text":"(2) University of Tampa, 3), (3) Fisk University, (4) Lehigh University, (5) The Australian National University), Claude E. Mack III (1), John Norris (5) ((1) Vanderbilt University, Joshua Pepper (4), Keivan G. Stassun (1, Simon C. Schuler (2)","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-07T22:39:55Z","title":"Detailed Abundances of Planet-Hosting Wide Binaries. I. Did Planet Formation Imprint Chemical Signatures in the Atmospheres of HD 20782/81?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1967","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:e4cda8ddc59e47222a33ca670ac93aeff3d301afd154eae86a5ff97157e59d48","target":"record","created_at":"2026-05-18T01:43:36Z","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":"46a8eccaadb08c2455a0cad4b9690eafb26c499efa021b376e6874c44bc1cf30","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-07T22:39:55Z","title_canon_sha256":"db60c217a68bcc15fbf24f0806c16327c40f3a0e47f28e4c08d8a9b527bcfb8c"},"schema_version":"1.0","source":{"id":"1404.1967","kind":"arxiv","version":1}},"canonical_sha256":"852967f37f96349d2a2568974cc624aa2c034620b61102be07b6a8089f946900","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"852967f37f96349d2a2568974cc624aa2c034620b61102be07b6a8089f946900","first_computed_at":"2026-05-18T01:43:36.693255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:36.693255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cYfecuXZxj8aTt51l6f2IGcJp6xX1+qKk+AFvh9XmfJ81vWFGGxuudA8TeIpCeklLx4E22gRLaF7gyq36JzGCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:36.693836Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.1967","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4cda8ddc59e47222a33ca670ac93aeff3d301afd154eae86a5ff97157e59d48","sha256:ca735c83daf412c675f80cbf612ee85d23d4b8c2b7acfcd6f780700e29f2253e"],"state_sha256":"24f3aa61a3efaebc1b18895d02959972f370a64bb4756c22b354b72a4d38a55a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sqndbcoe1Essd06Xhcnuu5flPkCyng77YkgQNaxvBNI15WF48mYiqArmFI2W+WYa4Lo+3Fr957TMWPmS6GgfDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T11:34:47.951880Z","bundle_sha256":"e02ca2e696610f40a97edffdd954f6c0fa481d60cadccccb310454db548ad0cb"}}