{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:D5FIYJZGWLMU5JNGMADJTEBZQP","short_pith_number":"pith:D5FIYJZG","canonical_record":{"source":{"id":"astro-ph/0606762","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-30T18:24:16Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"debb0e5a8b303d5e6828f47903c1a32e3c35b058bac7cdd317d60b9ed534ebfa","abstract_canon_sha256":"621946e389409c71c37e497650963df82fcc373d8e86fca2bac9d0841ba1f07b"},"schema_version":"1.0"},"canonical_sha256":"1f4a8c2726b2d94ea5a6600699903983de0c58254f498347da33c292337cb101","source":{"kind":"arxiv","id":"astro-ph/0606762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606762","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606762v1","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606762","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"D5FIYJZGWLMU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"D5FIYJZGWLMU5JNG","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"D5FIYJZG","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:D5FIYJZGWLMU5JNGMADJTEBZQP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0606762","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-30T18:24:16Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"debb0e5a8b303d5e6828f47903c1a32e3c35b058bac7cdd317d60b9ed534ebfa","abstract_canon_sha256":"621946e389409c71c37e497650963df82fcc373d8e86fca2bac9d0841ba1f07b"},"schema_version":"1.0"},"canonical_sha256":"1f4a8c2726b2d94ea5a6600699903983de0c58254f498347da33c292337cb101","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:44.435058Z","signature_b64":"xZFjtMI8VH++E+oG4e9k4yetFmX5DxvINpelDo1UyJb4Sn6Ohbk1mYiThUnkPmvGJO12zo0VhhcCqqmVdxTVDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f4a8c2726b2d94ea5a6600699903983de0c58254f498347da33c292337cb101","last_reissued_at":"2026-05-18T04:26:44.434551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:44.434551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0606762","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":"2026-05-18T04:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2VJoovE52QTxxVdmpWGXRpm/X6j9z9rEZ4zrV0JfMzPp/QQrUhbpehjcja73nSLB9tmNwBAT/z1ign+LbxjNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T02:57:32.743137Z"},"content_sha256":"465b27fa8670056d3cd36fd334b38e3f68753b3b6ce27ba682b52255274d8eae","schema_version":"1.0","event_id":"sha256:465b27fa8670056d3cd36fd334b38e3f68753b3b6ce27ba682b52255274d8eae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:D5FIYJZGWLMU5JNGMADJTEBZQP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interferometric Space Missions for the Search for Terrestrial Exoplanets: Requirements on the Rejection Ratio","license":"","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph","authors_text":"A. Karlsson, L Kaltenegger, M. Fridlund","submitted_at":"2006-06-30T18:24:16Z","abstract_excerpt":"The requirements on space missions designed to study Terrestrial exoplanets are discussed. We then investigate whether the design of such a mission, specifically the Darwin nulling interferometer, can be carried out in a simplified scenario. The key element here is accepting somewhat higher levels of stellar leakage. We establish detailed requirements resulting from the scientific rationale for the mission, and calculate detailed parameters for the stellar suppression required to achieve those requirements. We do this utilizing the Darwin input catalogue. The dominating noise source for most t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606762","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":"2026-05-18T04:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0PY01eUx53xpRr53S/QtkbjJCNFy+/Z/miRzoKBn8eh2OgbsXjterd6KXIuOlSs7j5nBchsj4vJdGRm3jxxUAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T02:57:32.743699Z"},"content_sha256":"de2c8eb24fed511e12c0b902bedb5e5409fb025c57e4f8672dc9fc7494f8e209","schema_version":"1.0","event_id":"sha256:de2c8eb24fed511e12c0b902bedb5e5409fb025c57e4f8672dc9fc7494f8e209"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D5FIYJZGWLMU5JNGMADJTEBZQP/bundle.json","state_url":"https://pith.science/pith/D5FIYJZGWLMU5JNGMADJTEBZQP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D5FIYJZGWLMU5JNGMADJTEBZQP/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":"2026-06-05T02:57:32Z","links":{"resolver":"https://pith.science/pith/D5FIYJZGWLMU5JNGMADJTEBZQP","bundle":"https://pith.science/pith/D5FIYJZGWLMU5JNGMADJTEBZQP/bundle.json","state":"https://pith.science/pith/D5FIYJZGWLMU5JNGMADJTEBZQP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D5FIYJZGWLMU5JNGMADJTEBZQP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:D5FIYJZGWLMU5JNGMADJTEBZQP","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":"621946e389409c71c37e497650963df82fcc373d8e86fca2bac9d0841ba1f07b","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-30T18:24:16Z","title_canon_sha256":"debb0e5a8b303d5e6828f47903c1a32e3c35b058bac7cdd317d60b9ed534ebfa"},"schema_version":"1.0","source":{"id":"astro-ph/0606762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606762","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606762v1","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606762","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"D5FIYJZGWLMU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"D5FIYJZGWLMU5JNG","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"D5FIYJZG","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:de2c8eb24fed511e12c0b902bedb5e5409fb025c57e4f8672dc9fc7494f8e209","target":"graph","created_at":"2026-05-18T04:26:44Z","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 requirements on space missions designed to study Terrestrial exoplanets are discussed. We then investigate whether the design of such a mission, specifically the Darwin nulling interferometer, can be carried out in a simplified scenario. The key element here is accepting somewhat higher levels of stellar leakage. We establish detailed requirements resulting from the scientific rationale for the mission, and calculate detailed parameters for the stellar suppression required to achieve those requirements. We do this utilizing the Darwin input catalogue. The dominating noise source for most t","authors_text":"A. Karlsson, L Kaltenegger, M. Fridlund","cross_cats":["astro-ph.EP","astro-ph.IM"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-06-30T18:24:16Z","title":"Interferometric Space Missions for the Search for Terrestrial Exoplanets: Requirements on the Rejection Ratio"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606762","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":"sha256:465b27fa8670056d3cd36fd334b38e3f68753b3b6ce27ba682b52255274d8eae","target":"record","created_at":"2026-05-18T04:26:44Z","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":"621946e389409c71c37e497650963df82fcc373d8e86fca2bac9d0841ba1f07b","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-30T18:24:16Z","title_canon_sha256":"debb0e5a8b303d5e6828f47903c1a32e3c35b058bac7cdd317d60b9ed534ebfa"},"schema_version":"1.0","source":{"id":"astro-ph/0606762","kind":"arxiv","version":1}},"canonical_sha256":"1f4a8c2726b2d94ea5a6600699903983de0c58254f498347da33c292337cb101","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f4a8c2726b2d94ea5a6600699903983de0c58254f498347da33c292337cb101","first_computed_at":"2026-05-18T04:26:44.434551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:44.434551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xZFjtMI8VH++E+oG4e9k4yetFmX5DxvINpelDo1UyJb4Sn6Ohbk1mYiThUnkPmvGJO12zo0VhhcCqqmVdxTVDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:44.435058Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0606762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:465b27fa8670056d3cd36fd334b38e3f68753b3b6ce27ba682b52255274d8eae","sha256:de2c8eb24fed511e12c0b902bedb5e5409fb025c57e4f8672dc9fc7494f8e209"],"state_sha256":"71261532d8e43b0bbfc96a1cd635b0688b2ac376b6fc9043a2bd2080e3df1a5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q3uI04Z1pTNgY4tny0+khS1KFboK+8c4NfSkbTfEaR1swUXd0kMTs0ymeuOgZTvmKHSpyadB3xra/PQWiMbmBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T02:57:32.746371Z","bundle_sha256":"361fe84422c7ed1f33da016bc7a811cf71b23d5a92a68330da7e36e03f9aa089"}}