{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:BHX4JQTXEB6DBUF7TEKJF7LV3J","short_pith_number":"pith:BHX4JQTX","canonical_record":{"source":{"id":"0712.2297","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-14T07:24:30Z","cross_cats_sorted":[],"title_canon_sha256":"049fd97b7e55bebf5c9c4aed0fc95537c0098f514d14ff2fc1993595e5a92053","abstract_canon_sha256":"3a56bc9488de81de2cfcfe9e4bd4d47403f78990629c5d730b026d6db9cfed7a"},"schema_version":"1.0"},"canonical_sha256":"09efc4c277207c30d0bf991492fd75da6f3dd449fdc82f0f6d24a0e322d2033c","source":{"kind":"arxiv","id":"0712.2297","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.2297","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"arxiv_version","alias_value":"0712.2297v1","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.2297","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"pith_short_12","alias_value":"BHX4JQTXEB6D","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"pith_short_16","alias_value":"BHX4JQTXEB6DBUF7","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"pith_short_8","alias_value":"BHX4JQTX","created_at":"2026-07-04T17:07:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:BHX4JQTXEB6DBUF7TEKJF7LV3J","target":"record","payload":{"canonical_record":{"source":{"id":"0712.2297","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-14T07:24:30Z","cross_cats_sorted":[],"title_canon_sha256":"049fd97b7e55bebf5c9c4aed0fc95537c0098f514d14ff2fc1993595e5a92053","abstract_canon_sha256":"3a56bc9488de81de2cfcfe9e4bd4d47403f78990629c5d730b026d6db9cfed7a"},"schema_version":"1.0"},"canonical_sha256":"09efc4c277207c30d0bf991492fd75da6f3dd449fdc82f0f6d24a0e322d2033c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:07:14.633564Z","signature_b64":"3zIhq9BHstqVaP7Dn/b6F9egjHJMqzmfvY8yqvGu6D7RHa6JJMK3EGU7vsCJ/HPC9CFY1sUEvmyVXvEkvCN9CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09efc4c277207c30d0bf991492fd75da6f3dd449fdc82f0f6d24a0e322d2033c","last_reissued_at":"2026-07-04T17:07:14.633144Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:07:14.633144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0712.2297","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":"2026-07-04T17:07:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8bCphlsej1QhGoDbsJ8lcg0osr2vLkB8ml5ziVNyh+g2O4DBQvt0YlC7dOKL9ZXzpB2ISFPpBQanwnWNgielAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T22:49:09.953818Z"},"content_sha256":"774440f47d5f8b33306b96f965c79cfe41cfc8c22d7bbb7976fe8e7c64737003","schema_version":"1.0","event_id":"sha256:774440f47d5f8b33306b96f965c79cfe41cfc8c22d7bbb7976fe8e7c64737003"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:BHX4JQTXEB6DBUF7TEKJF7LV3J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A HET search for planets around evolved stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alex Wolszczan, Andrzej Niedzielski","submitted_at":"2007-12-14T07:24:30Z","abstract_excerpt":"We present our ongoing survey of ~1000 GK-giants with the 9.2-m Hobby-Eberly Telescope in search for planets around evolved stars. The stars selected for this survey are brighter than 11 mag and are located in the section of the HR-diagram, which is approximately delimited by the main sequence, the instability strip, and the coronal dividing line. We use the High Resolution Spectrograph to obtain stellar spectra for radial velocity measurements with a 4-6 m/s precision. So far, the survey has discovered a planetary-mass companion to the K0-giant HD 17092, and it has produced a number of plausi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.2297","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/0712.2297/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":"2026-07-04T17:07:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"11kOjk+hoP09yw1mr3/spUwTbY6Jz4iLDRjsKcpuNtS6BqLD46nhN10IKM7Jb0sjfSIw+9Obtbd94Qzc4UKnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T22:49:09.954190Z"},"content_sha256":"598074e3806095b8f0aba7e3c21712d9843a001a6c4d15edb83af51d2a63a21b","schema_version":"1.0","event_id":"sha256:598074e3806095b8f0aba7e3c21712d9843a001a6c4d15edb83af51d2a63a21b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J/bundle.json","state_url":"https://pith.science/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J/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":"2026-07-04T22:49:09Z","links":{"resolver":"https://pith.science/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J","bundle":"https://pith.science/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J/bundle.json","state":"https://pith.science/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BHX4JQTXEB6DBUF7TEKJF7LV3J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:BHX4JQTXEB6DBUF7TEKJF7LV3J","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":"3a56bc9488de81de2cfcfe9e4bd4d47403f78990629c5d730b026d6db9cfed7a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-14T07:24:30Z","title_canon_sha256":"049fd97b7e55bebf5c9c4aed0fc95537c0098f514d14ff2fc1993595e5a92053"},"schema_version":"1.0","source":{"id":"0712.2297","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.2297","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"arxiv_version","alias_value":"0712.2297v1","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.2297","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"pith_short_12","alias_value":"BHX4JQTXEB6D","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"pith_short_16","alias_value":"BHX4JQTXEB6DBUF7","created_at":"2026-07-04T17:07:14Z"},{"alias_kind":"pith_short_8","alias_value":"BHX4JQTX","created_at":"2026-07-04T17:07:14Z"}],"graph_snapshots":[{"event_id":"sha256:598074e3806095b8f0aba7e3c21712d9843a001a6c4d15edb83af51d2a63a21b","target":"graph","created_at":"2026-07-04T17:07:14Z","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/0712.2297/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present our ongoing survey of ~1000 GK-giants with the 9.2-m Hobby-Eberly Telescope in search for planets around evolved stars. The stars selected for this survey are brighter than 11 mag and are located in the section of the HR-diagram, which is approximately delimited by the main sequence, the instability strip, and the coronal dividing line. We use the High Resolution Spectrograph to obtain stellar spectra for radial velocity measurements with a 4-6 m/s precision. So far, the survey has discovered a planetary-mass companion to the K0-giant HD 17092, and it has produced a number of plausi","authors_text":"Alex Wolszczan, Andrzej Niedzielski","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-12-14T07:24:30Z","title":"A HET search for planets around evolved stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.2297","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":"sha256:774440f47d5f8b33306b96f965c79cfe41cfc8c22d7bbb7976fe8e7c64737003","target":"record","created_at":"2026-07-04T17:07:14Z","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":"3a56bc9488de81de2cfcfe9e4bd4d47403f78990629c5d730b026d6db9cfed7a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-14T07:24:30Z","title_canon_sha256":"049fd97b7e55bebf5c9c4aed0fc95537c0098f514d14ff2fc1993595e5a92053"},"schema_version":"1.0","source":{"id":"0712.2297","kind":"arxiv","version":1}},"canonical_sha256":"09efc4c277207c30d0bf991492fd75da6f3dd449fdc82f0f6d24a0e322d2033c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09efc4c277207c30d0bf991492fd75da6f3dd449fdc82f0f6d24a0e322d2033c","first_computed_at":"2026-07-04T17:07:14.633144Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:07:14.633144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3zIhq9BHstqVaP7Dn/b6F9egjHJMqzmfvY8yqvGu6D7RHa6JJMK3EGU7vsCJ/HPC9CFY1sUEvmyVXvEkvCN9CA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:07:14.633564Z","signed_message":"canonical_sha256_bytes"},"source_id":"0712.2297","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:774440f47d5f8b33306b96f965c79cfe41cfc8c22d7bbb7976fe8e7c64737003","sha256:598074e3806095b8f0aba7e3c21712d9843a001a6c4d15edb83af51d2a63a21b"],"state_sha256":"f11ef823b7c6f83ad7d25d44079c58dc4a03613df0cc2c34da5fa30d051c230d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UbPHaDIRjbkmgQ6j1q21PckH6JqG0mtKIe/YPPFay/LXrc+MSvf4TP9LdjId4Ih1arQkyR3cqdhlDGAfjIcBBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T22:49:09.956086Z","bundle_sha256":"0de7b7c344e560162c9f0e6b7c7ddd3d775ac2e2b6b2a501045bcf8d70e1639c"}}