{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CEJVHOADE7F3VWMRPGDUVY2RVW","short_pith_number":"pith:CEJVHOAD","canonical_record":{"source":{"id":"1811.03043","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-07T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"fb43e77613169a9ec7f504db00e0a5c1d15787c8dedaa5eaa47b36db5353d51d","abstract_canon_sha256":"14c8f6c6bd81bc26e836e9815f3ccdc1cb5b7c876d8552cd0a652981d4581f2f"},"schema_version":"1.0"},"canonical_sha256":"111353b80327cbbad99179874ae351ad9f2e96dceb5d2d82cdc648ad6c0d72c8","source":{"kind":"arxiv","id":"1811.03043","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03043","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03043v3","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03043","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"pith_short_12","alias_value":"CEJVHOADE7F3","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CEJVHOADE7F3VWMR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CEJVHOAD","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CEJVHOADE7F3VWMRPGDUVY2RVW","target":"record","payload":{"canonical_record":{"source":{"id":"1811.03043","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-07T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"fb43e77613169a9ec7f504db00e0a5c1d15787c8dedaa5eaa47b36db5353d51d","abstract_canon_sha256":"14c8f6c6bd81bc26e836e9815f3ccdc1cb5b7c876d8552cd0a652981d4581f2f"},"schema_version":"1.0"},"canonical_sha256":"111353b80327cbbad99179874ae351ad9f2e96dceb5d2d82cdc648ad6c0d72c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:40.613528Z","signature_b64":"3Xiifa7N6gQ38XsLyS1IWnIdXYEIXpOBcNqowPJPutQFJRo3qmRDwJQOdoHRZZtXBwS9oh5c8DgIc5mEY0DjCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"111353b80327cbbad99179874ae351ad9f2e96dceb5d2d82cdc648ad6c0d72c8","last_reissued_at":"2026-05-17T23:49:40.613027Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:40.613027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.03043","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:49:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZPCPfCtThbg+c0x3pP8p4GVGGDJglE35lOOHBp/qX24BvROC7aoIY5jfIRypWi7KjiS7kf6kiNWER2qBN16YAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:33:49.785556Z"},"content_sha256":"056b4dddbc8fa8bd82c6b88f9e885732d21a6fe78510c6201808137030db48ad","schema_version":"1.0","event_id":"sha256:056b4dddbc8fa8bd82c6b88f9e885732d21a6fe78510c6201808137030db48ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CEJVHOADE7F3VWMRPGDUVY2RVW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Retired A Stars and Their Companions VIII: 15 New Planetary Signals Around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andrew W. Howard, Fabienne A. Bastien, Howard Isaacson, Jacob K. Luhn, Jason T. Wright, John A. Johnson","submitted_at":"2018-11-07T18:00:04Z","abstract_excerpt":"We present the discovery of 7 new planets and 8 planet candidates around subgiant stars, as additions to the known sample of planets around \"retired A stars\" (Johnson et al. 2006). Among these are the possible first 3-planet systems around subgiant stars, HD 163607 and HD 4917. Additionally, we present calculations of possible transit times, durations, depths, and probabilities for all known planets around subgiant (3 < log g < 4) stars, focused on possible transits during the TESS mission. While most have transit probabilities of 1-2%, we find that there are 3 planets with transit probabiliti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03043","kind":"arxiv","version":3},"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":"2026-05-17T23:49:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dn0EdMY4Dnhc7AlBdKFltkj2im5RppIZE8R6+K0ma2mbpi7PCEbtbU2W6Nzox7k3/MWY9NnzvydeWQRH0VyrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:33:49.786231Z"},"content_sha256":"345ed4b5b6e68e5be2337cf268da0da13139f692923573bda697e1f3568cb275","schema_version":"1.0","event_id":"sha256:345ed4b5b6e68e5be2337cf268da0da13139f692923573bda697e1f3568cb275"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CEJVHOADE7F3VWMRPGDUVY2RVW/bundle.json","state_url":"https://pith.science/pith/CEJVHOADE7F3VWMRPGDUVY2RVW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CEJVHOADE7F3VWMRPGDUVY2RVW/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":"2026-05-26T10:33:49Z","links":{"resolver":"https://pith.science/pith/CEJVHOADE7F3VWMRPGDUVY2RVW","bundle":"https://pith.science/pith/CEJVHOADE7F3VWMRPGDUVY2RVW/bundle.json","state":"https://pith.science/pith/CEJVHOADE7F3VWMRPGDUVY2RVW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CEJVHOADE7F3VWMRPGDUVY2RVW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CEJVHOADE7F3VWMRPGDUVY2RVW","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":"14c8f6c6bd81bc26e836e9815f3ccdc1cb5b7c876d8552cd0a652981d4581f2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-07T18:00:04Z","title_canon_sha256":"fb43e77613169a9ec7f504db00e0a5c1d15787c8dedaa5eaa47b36db5353d51d"},"schema_version":"1.0","source":{"id":"1811.03043","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03043","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03043v3","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03043","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"pith_short_12","alias_value":"CEJVHOADE7F3","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CEJVHOADE7F3VWMR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CEJVHOAD","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:345ed4b5b6e68e5be2337cf268da0da13139f692923573bda697e1f3568cb275","target":"graph","created_at":"2026-05-17T23:49:40Z","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":"We present the discovery of 7 new planets and 8 planet candidates around subgiant stars, as additions to the known sample of planets around \"retired A stars\" (Johnson et al. 2006). Among these are the possible first 3-planet systems around subgiant stars, HD 163607 and HD 4917. Additionally, we present calculations of possible transit times, durations, depths, and probabilities for all known planets around subgiant (3 < log g < 4) stars, focused on possible transits during the TESS mission. While most have transit probabilities of 1-2%, we find that there are 3 planets with transit probabiliti","authors_text":"Andrew W. Howard, Fabienne A. Bastien, Howard Isaacson, Jacob K. Luhn, Jason T. Wright, John A. Johnson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-07T18:00:04Z","title":"Retired A Stars and Their Companions VIII: 15 New Planetary Signals Around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03043","kind":"arxiv","version":3},"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":"sha256:056b4dddbc8fa8bd82c6b88f9e885732d21a6fe78510c6201808137030db48ad","target":"record","created_at":"2026-05-17T23:49:40Z","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":"14c8f6c6bd81bc26e836e9815f3ccdc1cb5b7c876d8552cd0a652981d4581f2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-07T18:00:04Z","title_canon_sha256":"fb43e77613169a9ec7f504db00e0a5c1d15787c8dedaa5eaa47b36db5353d51d"},"schema_version":"1.0","source":{"id":"1811.03043","kind":"arxiv","version":3}},"canonical_sha256":"111353b80327cbbad99179874ae351ad9f2e96dceb5d2d82cdc648ad6c0d72c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"111353b80327cbbad99179874ae351ad9f2e96dceb5d2d82cdc648ad6c0d72c8","first_computed_at":"2026-05-17T23:49:40.613027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:40.613027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3Xiifa7N6gQ38XsLyS1IWnIdXYEIXpOBcNqowPJPutQFJRo3qmRDwJQOdoHRZZtXBwS9oh5c8DgIc5mEY0DjCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:40.613528Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.03043","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:056b4dddbc8fa8bd82c6b88f9e885732d21a6fe78510c6201808137030db48ad","sha256:345ed4b5b6e68e5be2337cf268da0da13139f692923573bda697e1f3568cb275"],"state_sha256":"c5fce0432f03fbd93e8ef24e6d42760ed50314d37d44798daa4968bdde505093"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BirCC5vBFT2pW7IPZ5cgv9gwod/XFx5SShF7PtY6hEx2sGeXxdJc+9MlEQ+yKcm/QaQnDZEc8ON/8rb7c8uPDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:33:49.790159Z","bundle_sha256":"0422b36034a9dc5f9927fc738da0e18b7744a498c8d4fb9e0915353f59fea8ec"}}