{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:A6WN7RL5P6UWR67SQERQ7ZZTRZ","short_pith_number":"pith:A6WN7RL5","canonical_record":{"source":{"id":"1210.6798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-25T11:41:07Z","cross_cats_sorted":[],"title_canon_sha256":"4e713e195ec20162725d8fd1ee605e6d4f0b94852a57820a46a80b92ffb5910c","abstract_canon_sha256":"d5d2a46d53f6d226632ac7cb8e7418cab3fca1e0e28999ce34f647358033e75e"},"schema_version":"1.0"},"canonical_sha256":"07acdfc57d7fa968fbf281230fe7338e644741aeec96e745ecfa561635c4d0f9","source":{"kind":"arxiv","id":"1210.6798","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6798","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6798v1","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6798","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"A6WN7RL5P6UW","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"A6WN7RL5P6UWR67S","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"A6WN7RL5","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:A6WN7RL5P6UWR67SQERQ7ZZTRZ","target":"record","payload":{"canonical_record":{"source":{"id":"1210.6798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-25T11:41:07Z","cross_cats_sorted":[],"title_canon_sha256":"4e713e195ec20162725d8fd1ee605e6d4f0b94852a57820a46a80b92ffb5910c","abstract_canon_sha256":"d5d2a46d53f6d226632ac7cb8e7418cab3fca1e0e28999ce34f647358033e75e"},"schema_version":"1.0"},"canonical_sha256":"07acdfc57d7fa968fbf281230fe7338e644741aeec96e745ecfa561635c4d0f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:37.796195Z","signature_b64":"et0f8RRsOIRxgLtpFlUkHOmi5a29Kfjk1SZFWLhRAW/E83pobHYHYsLObpJ/FnKnnutBV25CU7NnW3JiPkSJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07acdfc57d7fa968fbf281230fe7338e644741aeec96e745ecfa561635c4d0f9","last_reissued_at":"2026-05-18T01:53:37.795572Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:37.795572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.6798","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v4c5kC9ucmahcbyA7NGpw027o+qLQJB374SKhje0SiGsUZq/9VNj4iqyEuOMXndX9Vs54XztVM8xu3fz0lIGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:24:10.428587Z"},"content_sha256":"ffc8167013f32714785ae147e99098d8ef59b5892218e8b7e6a6b9b97ae375c3","schema_version":"1.0","event_id":"sha256:ffc8167013f32714785ae147e99098d8ef59b5892218e8b7e6a6b9b97ae375c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:A6WN7RL5P6UWR67SQERQ7ZZTRZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Double Planetary System around the Evolved Intermediate-Mass Star HD 4732","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bun'ei Sato, Eiichiro Kokubo, Eiji Kambe, Hideyuki Izumiura, Hiroki Harakawa, Hiroyasu Ando, Makiko Nagasawa, Masashi Omiya, Michitoshi Yoshida, Robert A. Wittenmyer, Shigeru Ida, Yoichi Itoh, Yoichi Takeda","submitted_at":"2012-10-25T11:41:07Z","abstract_excerpt":"We report the detection of a double planetary system orbiting around the evolved intermediate-mass star HD 4732 from precise Doppler measurements at Okayama Astrophysical Observatory (OAO) and Anglo-Australian Observatory (AAO). The star is a K0 subgiant with a mass of 1.7 M_sun and solar metallicity. The planetary system is composed of two giant planets with minimum mass of msini=2.4 M_J, orbital period of 360.2 d and 2732 d, and eccentricity of 0.13 and 0.23, respectively. Based on dynamical stability analysis for the system, we set the upper limit on the mass of the planets to be about 28 M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6798","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W7ngXg2r6or10qaEBuG9A3v6U3PVcJc1xlV9a7r3dWwCfdPottdpzCKRZxG3XU/yin0xymWzbuhMSQIATCteBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:24:10.428963Z"},"content_sha256":"88c20a8b95ac0a6604f22a83ceaa461030300dd831ced65e74bb619b805fdcdb","schema_version":"1.0","event_id":"sha256:88c20a8b95ac0a6604f22a83ceaa461030300dd831ced65e74bb619b805fdcdb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ/bundle.json","state_url":"https://pith.science/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ/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":"2026-05-27T21:24:10Z","links":{"resolver":"https://pith.science/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ","bundle":"https://pith.science/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ/bundle.json","state":"https://pith.science/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A6WN7RL5P6UWR67SQERQ7ZZTRZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:A6WN7RL5P6UWR67SQERQ7ZZTRZ","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":"d5d2a46d53f6d226632ac7cb8e7418cab3fca1e0e28999ce34f647358033e75e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-25T11:41:07Z","title_canon_sha256":"4e713e195ec20162725d8fd1ee605e6d4f0b94852a57820a46a80b92ffb5910c"},"schema_version":"1.0","source":{"id":"1210.6798","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6798","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6798v1","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6798","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"A6WN7RL5P6UW","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"A6WN7RL5P6UWR67S","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"A6WN7RL5","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:88c20a8b95ac0a6604f22a83ceaa461030300dd831ced65e74bb619b805fdcdb","target":"graph","created_at":"2026-05-18T01:53:37Z","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":"We report the detection of a double planetary system orbiting around the evolved intermediate-mass star HD 4732 from precise Doppler measurements at Okayama Astrophysical Observatory (OAO) and Anglo-Australian Observatory (AAO). The star is a K0 subgiant with a mass of 1.7 M_sun and solar metallicity. The planetary system is composed of two giant planets with minimum mass of msini=2.4 M_J, orbital period of 360.2 d and 2732 d, and eccentricity of 0.13 and 0.23, respectively. Based on dynamical stability analysis for the system, we set the upper limit on the mass of the planets to be about 28 M","authors_text":"Bun'ei Sato, Eiichiro Kokubo, Eiji Kambe, Hideyuki Izumiura, Hiroki Harakawa, Hiroyasu Ando, Makiko Nagasawa, Masashi Omiya, Michitoshi Yoshida, Robert A. Wittenmyer, Shigeru Ida, Yoichi Itoh, Yoichi Takeda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-25T11:41:07Z","title":"A Double Planetary System around the Evolved Intermediate-Mass Star HD 4732"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6798","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:ffc8167013f32714785ae147e99098d8ef59b5892218e8b7e6a6b9b97ae375c3","target":"record","created_at":"2026-05-18T01:53:37Z","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":"d5d2a46d53f6d226632ac7cb8e7418cab3fca1e0e28999ce34f647358033e75e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-25T11:41:07Z","title_canon_sha256":"4e713e195ec20162725d8fd1ee605e6d4f0b94852a57820a46a80b92ffb5910c"},"schema_version":"1.0","source":{"id":"1210.6798","kind":"arxiv","version":1}},"canonical_sha256":"07acdfc57d7fa968fbf281230fe7338e644741aeec96e745ecfa561635c4d0f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07acdfc57d7fa968fbf281230fe7338e644741aeec96e745ecfa561635c4d0f9","first_computed_at":"2026-05-18T01:53:37.795572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:37.795572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"et0f8RRsOIRxgLtpFlUkHOmi5a29Kfjk1SZFWLhRAW/E83pobHYHYsLObpJ/FnKnnutBV25CU7NnW3JiPkSJCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:37.796195Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.6798","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffc8167013f32714785ae147e99098d8ef59b5892218e8b7e6a6b9b97ae375c3","sha256:88c20a8b95ac0a6604f22a83ceaa461030300dd831ced65e74bb619b805fdcdb"],"state_sha256":"57a215be9ffae32ed2b0f31393a8c7077facecc4d6cd920f4f86dafee489a330"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cMNxZ/TC+kQQpVW7ndhUIks/wqvyFPRj/8fxmtOZzKVC3akggXODyY5X2DxbEFbtWhcc8mN5pe5AgjFIEoLMAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:24:10.431017Z","bundle_sha256":"cf1f672a5c93937bdae8e2e4a069feeb787d4a7951e835975bb07e095e71612c"}}