{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:K6YW7PP4O2IQ7S66GBSKSZH2D3","short_pith_number":"pith:K6YW7PP4","canonical_record":{"source":{"id":"astro-ph/0505510","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-05-25T12:17:37Z","cross_cats_sorted":[],"title_canon_sha256":"b8c7dc6af751ef585c4515715666b480fbfe9a8c822f7e9612da7a42bebb706b","abstract_canon_sha256":"73928f3648039782acdf5ff24b68e379faff883cf17129c7459dee7d4692c8b7"},"schema_version":"1.0"},"canonical_sha256":"57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc","source":{"kind":"arxiv","id":"astro-ph/0505510","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0505510","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0505510v1","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0505510","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"pith_short_12","alias_value":"K6YW7PP4O2IQ","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"pith_short_16","alias_value":"K6YW7PP4O2IQ7S66","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"pith_short_8","alias_value":"K6YW7PP4","created_at":"2026-07-04T16:52:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:K6YW7PP4O2IQ7S66GBSKSZH2D3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0505510","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-05-25T12:17:37Z","cross_cats_sorted":[],"title_canon_sha256":"b8c7dc6af751ef585c4515715666b480fbfe9a8c822f7e9612da7a42bebb706b","abstract_canon_sha256":"73928f3648039782acdf5ff24b68e379faff883cf17129c7459dee7d4692c8b7"},"schema_version":"1.0"},"canonical_sha256":"57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:52:26.770771Z","signature_b64":"etZ5DdZgFUFQLfZ1bFtGxekWr5uQyz9tfbfCQnfl4PGQpSsl8AIdEtIYu57KKAxYi54dikZdLmv9OtTDh5X3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc","last_reissued_at":"2026-07-04T16:52:26.770355Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:52:26.770355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0505510","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":"2026-07-04T16:52:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I8R4XN0p2YoYLnZWbsOisVHiyXmp13G9n83sNo04yXdYEhnZ1Kbo+3b5tMfovP83+N/t6M9jOt+kwk+zopFPAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:51:20.642015Z"},"content_sha256":"72ad52b4d724d81c7cd056b8b9c95ae55b6417be81d558b61ad410810a52cc3f","schema_version":"1.0","event_id":"sha256:72ad52b4d724d81c7cd056b8b9c95ae55b6417be81d558b61ad410810a52cc3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:K6YW7PP4O2IQ7S66GBSKSZH2D3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A substellar companion around the intermediate-mass giant star HD 11977","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. P. Hatzes, J. R. De Medeiros, J. Rodmann, J. Setiawan, L. da Silva, L. Girardi, L. Pasquini, M. P. Doellinger, O. von der Luehe","submitted_at":"2005-05-25T12:17:37Z","abstract_excerpt":"We report the discovery of a substellar companion to the intermediate-mass star HD 11977 (G5 III). Radial velocities of this star have been monitored for five years with FEROS at the 1.52-m ESO and later at the 2.2-m MPG/ESO telescope in La Silla, Chile. Based on the collected data we calculated an orbital solution with a period of P=711 days, a semi-amplitude of K1=105 m/s, and an eccentricity of e=0.4. The period of the radial-velocity variation is longer than that of the estimated stellar rotation, rendering it unlikely that rotational modulation is the source of the variation in the radial"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0505510","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/astro-ph/0505510/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":"2026-07-04T16:52:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kug/k6vu85mQOxtfjW26oSObIzJzILKNdCt85CXPP4JOBrBvRvs51C+7kBgOnNIlHnHBQsCgWyvSMBt/L1i/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:51:20.642524Z"},"content_sha256":"298065e716a591182303f3b589483b4dfab1451fe5174ed504ab8e8ac94eb6b5","schema_version":"1.0","event_id":"sha256:298065e716a591182303f3b589483b4dfab1451fe5174ed504ab8e8ac94eb6b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3/bundle.json","state_url":"https://pith.science/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3/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":"2026-08-05T07:51:20Z","links":{"resolver":"https://pith.science/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3","bundle":"https://pith.science/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3/bundle.json","state":"https://pith.science/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K6YW7PP4O2IQ7S66GBSKSZH2D3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:K6YW7PP4O2IQ7S66GBSKSZH2D3","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":"73928f3648039782acdf5ff24b68e379faff883cf17129c7459dee7d4692c8b7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-05-25T12:17:37Z","title_canon_sha256":"b8c7dc6af751ef585c4515715666b480fbfe9a8c822f7e9612da7a42bebb706b"},"schema_version":"1.0","source":{"id":"astro-ph/0505510","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0505510","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0505510v1","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0505510","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"pith_short_12","alias_value":"K6YW7PP4O2IQ","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"pith_short_16","alias_value":"K6YW7PP4O2IQ7S66","created_at":"2026-07-04T16:52:26Z"},{"alias_kind":"pith_short_8","alias_value":"K6YW7PP4","created_at":"2026-07-04T16:52:26Z"}],"graph_snapshots":[{"event_id":"sha256:298065e716a591182303f3b589483b4dfab1451fe5174ed504ab8e8ac94eb6b5","target":"graph","created_at":"2026-07-04T16:52:26Z","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/astro-ph/0505510/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of a substellar companion to the intermediate-mass star HD 11977 (G5 III). Radial velocities of this star have been monitored for five years with FEROS at the 1.52-m ESO and later at the 2.2-m MPG/ESO telescope in La Silla, Chile. Based on the collected data we calculated an orbital solution with a period of P=711 days, a semi-amplitude of K1=105 m/s, and an eccentricity of e=0.4. The period of the radial-velocity variation is longer than that of the estimated stellar rotation, rendering it unlikely that rotational modulation is the source of the variation in the radial","authors_text":"A. P. Hatzes, J. R. De Medeiros, J. Rodmann, J. Setiawan, L. da Silva, L. Girardi, L. Pasquini, M. P. Doellinger, O. von der Luehe","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-05-25T12:17:37Z","title":"A substellar companion around the intermediate-mass giant star HD 11977"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0505510","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":"sha256:72ad52b4d724d81c7cd056b8b9c95ae55b6417be81d558b61ad410810a52cc3f","target":"record","created_at":"2026-07-04T16:52:26Z","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":"73928f3648039782acdf5ff24b68e379faff883cf17129c7459dee7d4692c8b7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-05-25T12:17:37Z","title_canon_sha256":"b8c7dc6af751ef585c4515715666b480fbfe9a8c822f7e9612da7a42bebb706b"},"schema_version":"1.0","source":{"id":"astro-ph/0505510","kind":"arxiv","version":1}},"canonical_sha256":"57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc","first_computed_at":"2026-07-04T16:52:26.770355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:52:26.770355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"etZ5DdZgFUFQLfZ1bFtGxekWr5uQyz9tfbfCQnfl4PGQpSsl8AIdEtIYu57KKAxYi54dikZdLmv9OtTDh5X3Dw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:52:26.770771Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0505510","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72ad52b4d724d81c7cd056b8b9c95ae55b6417be81d558b61ad410810a52cc3f","sha256:298065e716a591182303f3b589483b4dfab1451fe5174ed504ab8e8ac94eb6b5"],"state_sha256":"323f87e70fca5136438586531544984fd0fa70cf6d3bd535e478fade00a694ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qlIjYVYSLsy5VnkGdvJcCxSfc9ElTCwP2QRnHvLO2mz96qxittAPk60Jg95lWYBvgW+NAli1Kwn2qI+QIwiDAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:51:20.647834Z","bundle_sha256":"96e01d95f069b993b577e80fcda258c5f88c1d1fd6fb94d050393ede50518096"}}