{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:2ZAD57PC6HX6DDO37PDC2PD5Z2","short_pith_number":"pith:2ZAD57PC","canonical_record":{"source":{"id":"1109.5166","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-23T19:26:30Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"de9980d896c5f4b01b8a5a3f545a7a0368bbfc3772d0a8689fbb9eaaa36fca9b","abstract_canon_sha256":"b68a275133644c121abd2ef7b4c99960f95bb784d93c1c3658bebeeda07d51b0"},"schema_version":"1.0"},"canonical_sha256":"d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9","source":{"kind":"arxiv","id":"1109.5166","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5166","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5166v1","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5166","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"2ZAD57PC6HX6","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2ZAD57PC6HX6DDO3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2ZAD57PC","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:2ZAD57PC6HX6DDO37PDC2PD5Z2","target":"record","payload":{"canonical_record":{"source":{"id":"1109.5166","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-23T19:26:30Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"de9980d896c5f4b01b8a5a3f545a7a0368bbfc3772d0a8689fbb9eaaa36fca9b","abstract_canon_sha256":"b68a275133644c121abd2ef7b4c99960f95bb784d93c1c3658bebeeda07d51b0"},"schema_version":"1.0"},"canonical_sha256":"d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:25.826709Z","signature_b64":"FafgWyofTc8KW4sFNNz4rnnPxnoecmcKzOJaxc9iQHQUBHyeuVYCc7eW1rWDdlzxfdliSvgwnDAnbKB9vErTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9","last_reissued_at":"2026-05-18T02:00:25.826192Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:25.826192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.5166","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":"2026-05-18T02:00:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tv1nosFN6CPSNcU1N//swR/rjM293sad5BPfc2qh9Nxi90XVJUi5ZaGDi8UWH5oFIUH6O23IVpR58Htuxj4FBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:33:31.259974Z"},"content_sha256":"0984d2011a925edf8c4b2f433a99d22681166ed841dfd24f92be86272492aaa4","schema_version":"1.0","event_id":"sha256:0984d2011a925edf8c4b2f433a99d22681166ed841dfd24f92be86272492aaa4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:2ZAD57PC6HX6DDO37PDC2PD5Z2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Search for the Transit of HD 168443b: Improved Orbital Parameters and Photometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Andrew W. Howard, Chris de Pree, David R. Ciardi, Debra Fischer, Diana Dragomir, Eric L. N. Jensen, Genady Pilyavsky, Gregory Laughlin, Gregory W. Henry, Hannah Marlowe, Jason T. Wright, Kaspar von Braun, Markus Rabus, Stephen R. Kane, Suvrath Mahadevan, Xuesong X. Wang","submitted_at":"2011-09-23T19:26:30Z","abstract_excerpt":"The discovery of transiting planets around bright stars holds the potential to greatly enhance our understanding of planetary atmospheres. In this work we present the search for transits of HD 168443b, a massive planet orbiting the bright star HD 168443 V=6.92 with a period of 58.11 days. The high eccentricity of the planetary orbit e=0.53 significantly enhances the a-priori transit probability beyond that expected for a circular orbit, making HD 168443 a candidate for our ongoing Transit Ephemeris Refinement and Monitoring Survey (TERMS). Using additional radial velocities from Keck-HIRES, we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5166","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":"2026-05-18T02:00:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z74n1TB1VgUXzkdfHK1kJ9xUoknKdEI/2qrQz9k27qaVsWYWMHGNz5tAG5o2OtrHetkeblCRDQ78AWG6HYhNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:33:31.260685Z"},"content_sha256":"69bdeb59cfc2a8287262b4c1e432e752ddd031464efdd0a3ff9f0d6fbd5dfb0f","schema_version":"1.0","event_id":"sha256:69bdeb59cfc2a8287262b4c1e432e752ddd031464efdd0a3ff9f0d6fbd5dfb0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2/bundle.json","state_url":"https://pith.science/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2/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":"2026-05-26T18:33:31Z","links":{"resolver":"https://pith.science/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2","bundle":"https://pith.science/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2/bundle.json","state":"https://pith.science/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ZAD57PC6HX6DDO37PDC2PD5Z2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:2ZAD57PC6HX6DDO37PDC2PD5Z2","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":"b68a275133644c121abd2ef7b4c99960f95bb784d93c1c3658bebeeda07d51b0","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-23T19:26:30Z","title_canon_sha256":"de9980d896c5f4b01b8a5a3f545a7a0368bbfc3772d0a8689fbb9eaaa36fca9b"},"schema_version":"1.0","source":{"id":"1109.5166","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5166","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5166v1","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5166","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"2ZAD57PC6HX6","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2ZAD57PC6HX6DDO3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2ZAD57PC","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:69bdeb59cfc2a8287262b4c1e432e752ddd031464efdd0a3ff9f0d6fbd5dfb0f","target":"graph","created_at":"2026-05-18T02:00:25Z","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":"The discovery of transiting planets around bright stars holds the potential to greatly enhance our understanding of planetary atmospheres. In this work we present the search for transits of HD 168443b, a massive planet orbiting the bright star HD 168443 V=6.92 with a period of 58.11 days. The high eccentricity of the planetary orbit e=0.53 significantly enhances the a-priori transit probability beyond that expected for a circular orbit, making HD 168443 a candidate for our ongoing Transit Ephemeris Refinement and Monitoring Survey (TERMS). Using additional radial velocities from Keck-HIRES, we","authors_text":"Andrew W. Howard, Chris de Pree, David R. Ciardi, Debra Fischer, Diana Dragomir, Eric L. N. Jensen, Genady Pilyavsky, Gregory Laughlin, Gregory W. Henry, Hannah Marlowe, Jason T. Wright, Kaspar von Braun, Markus Rabus, Stephen R. Kane, Suvrath Mahadevan, Xuesong X. Wang","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-23T19:26:30Z","title":"A Search for the Transit of HD 168443b: Improved Orbital Parameters and Photometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5166","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":"sha256:0984d2011a925edf8c4b2f433a99d22681166ed841dfd24f92be86272492aaa4","target":"record","created_at":"2026-05-18T02:00:25Z","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":"b68a275133644c121abd2ef7b4c99960f95bb784d93c1c3658bebeeda07d51b0","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-23T19:26:30Z","title_canon_sha256":"de9980d896c5f4b01b8a5a3f545a7a0368bbfc3772d0a8689fbb9eaaa36fca9b"},"schema_version":"1.0","source":{"id":"1109.5166","kind":"arxiv","version":1}},"canonical_sha256":"d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9","first_computed_at":"2026-05-18T02:00:25.826192Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:25.826192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FafgWyofTc8KW4sFNNz4rnnPxnoecmcKzOJaxc9iQHQUBHyeuVYCc7eW1rWDdlzxfdliSvgwnDAnbKB9vErTDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:25.826709Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.5166","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0984d2011a925edf8c4b2f433a99d22681166ed841dfd24f92be86272492aaa4","sha256:69bdeb59cfc2a8287262b4c1e432e752ddd031464efdd0a3ff9f0d6fbd5dfb0f"],"state_sha256":"33570788058428d7d31ce7536dd235928f912074a3bf72fc597028a84e401c4e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GDiOI/KBaUqA6J/VMcmQw+1dMvcTMh1PAmkftkhu3ZupMcOLWmSyRCot2jFpmHtJADsumCN55UfMYPx9LXMyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:33:31.264404Z","bundle_sha256":"ca41bd29d6ba1ab7662b8cc440f8af00ea62d2a1d86151ef321af7d3332ba388"}}