{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:6QSMUCSRD54WJGOWTFGSWKN7LI","short_pith_number":"pith:6QSMUCSR","canonical_record":{"source":{"id":"astro-ph/0606733","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-29T19:04:52Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"f18143f70ef09057710f5fed92cdb1aa580e189efb28598763909e1ae788399e","abstract_canon_sha256":"ff4b05696a4675fd899f8b04df17d76f0410fef80d858964b94c229dd33c022f"},"schema_version":"1.0"},"canonical_sha256":"f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d","source":{"kind":"arxiv","id":"astro-ph/0606733","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606733","created_at":"2026-05-18T04:26:46Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606733v1","created_at":"2026-05-18T04:26:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606733","created_at":"2026-05-18T04:26:46Z"},{"alias_kind":"pith_short_12","alias_value":"6QSMUCSRD54W","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"6QSMUCSRD54WJGOW","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"6QSMUCSR","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:6QSMUCSRD54WJGOWTFGSWKN7LI","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0606733","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-29T19:04:52Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"f18143f70ef09057710f5fed92cdb1aa580e189efb28598763909e1ae788399e","abstract_canon_sha256":"ff4b05696a4675fd899f8b04df17d76f0410fef80d858964b94c229dd33c022f"},"schema_version":"1.0"},"canonical_sha256":"f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:46.065974Z","signature_b64":"k78ii09k9Bvroi8/oGbVXM5D+yjWO4EwDK0IoAwfN5g1ujTZhuwA0BLmUwamxAvakfpgW3bLsLVrylDR40vvCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d","last_reissued_at":"2026-05-18T04:26:46.065258Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:46.065258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0606733","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":"2026-05-18T04:26:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"14eb7aYrOkm2P1Km4+dl2bUkqg7+8Y9pi49RYpt1x0F8HvXiX4mUELMd9MpRnxA5bGgKYJ8ahC22eIoDH/4QBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:36:44.447094Z"},"content_sha256":"46808edf612ff7864d2569f8f74f1a3db05fb0ebc862283ff8e9ddd929f4b669","schema_version":"1.0","event_id":"sha256:46808edf612ff7864d2569f8f74f1a3db05fb0ebc862283ff8e9ddd929f4b669"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:6QSMUCSRD54WJGOWTFGSWKN7LI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characteristics of proposed 3 and 4 telescope configurations for Darwin and TPF-I","license":"","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph","authors_text":"L. Kaltenegger, M. Fridlund","submitted_at":"2006-06-29T19:04:52Z","abstract_excerpt":"The Darwin and TPF-I missions are Infrared free flying interferometer missions based on nulling interferometry. Their main objective is to detect and characterize other Earth-like planets, analyze the composition of their atmospheres and their capability to sustain life, as we know it. Darwin and TPF-I are currently in study phase. A number of mission architectures of 3 and 4 free flying telescopes are evaluated on the basis of the interferometer's response, ability to distinguish multiple planet signatures and starlight rejection capabilities. The characteristics of the new configurations are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606733","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":"2026-05-18T04:26:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cmvu77kuzbWyj3bacFp2bkwNqrQXLgbD+MORgcWyjm6tB9i3IRJyyXfGtPv2K7B+HWperW4FxtTkvsZdVCgBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:36:44.447834Z"},"content_sha256":"3d6d721b399194045dfca33985d390cd5a7b7014ec53d08983c54257386363b3","schema_version":"1.0","event_id":"sha256:3d6d721b399194045dfca33985d390cd5a7b7014ec53d08983c54257386363b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6QSMUCSRD54WJGOWTFGSWKN7LI/bundle.json","state_url":"https://pith.science/pith/6QSMUCSRD54WJGOWTFGSWKN7LI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6QSMUCSRD54WJGOWTFGSWKN7LI/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":"2026-05-26T10:36:44Z","links":{"resolver":"https://pith.science/pith/6QSMUCSRD54WJGOWTFGSWKN7LI","bundle":"https://pith.science/pith/6QSMUCSRD54WJGOWTFGSWKN7LI/bundle.json","state":"https://pith.science/pith/6QSMUCSRD54WJGOWTFGSWKN7LI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6QSMUCSRD54WJGOWTFGSWKN7LI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:6QSMUCSRD54WJGOWTFGSWKN7LI","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":"ff4b05696a4675fd899f8b04df17d76f0410fef80d858964b94c229dd33c022f","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-29T19:04:52Z","title_canon_sha256":"f18143f70ef09057710f5fed92cdb1aa580e189efb28598763909e1ae788399e"},"schema_version":"1.0","source":{"id":"astro-ph/0606733","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606733","created_at":"2026-05-18T04:26:46Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606733v1","created_at":"2026-05-18T04:26:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606733","created_at":"2026-05-18T04:26:46Z"},{"alias_kind":"pith_short_12","alias_value":"6QSMUCSRD54W","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"6QSMUCSRD54WJGOW","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"6QSMUCSR","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:3d6d721b399194045dfca33985d390cd5a7b7014ec53d08983c54257386363b3","target":"graph","created_at":"2026-05-18T04:26:46Z","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 Darwin and TPF-I missions are Infrared free flying interferometer missions based on nulling interferometry. Their main objective is to detect and characterize other Earth-like planets, analyze the composition of their atmospheres and their capability to sustain life, as we know it. Darwin and TPF-I are currently in study phase. A number of mission architectures of 3 and 4 free flying telescopes are evaluated on the basis of the interferometer's response, ability to distinguish multiple planet signatures and starlight rejection capabilities. The characteristics of the new configurations are","authors_text":"L. Kaltenegger, M. Fridlund","cross_cats":["astro-ph.EP","astro-ph.IM"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-06-29T19:04:52Z","title":"Characteristics of proposed 3 and 4 telescope configurations for Darwin and TPF-I"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606733","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":"sha256:46808edf612ff7864d2569f8f74f1a3db05fb0ebc862283ff8e9ddd929f4b669","target":"record","created_at":"2026-05-18T04:26:46Z","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":"ff4b05696a4675fd899f8b04df17d76f0410fef80d858964b94c229dd33c022f","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-29T19:04:52Z","title_canon_sha256":"f18143f70ef09057710f5fed92cdb1aa580e189efb28598763909e1ae788399e"},"schema_version":"1.0","source":{"id":"astro-ph/0606733","kind":"arxiv","version":1}},"canonical_sha256":"f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d","first_computed_at":"2026-05-18T04:26:46.065258Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:46.065258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k78ii09k9Bvroi8/oGbVXM5D+yjWO4EwDK0IoAwfN5g1ujTZhuwA0BLmUwamxAvakfpgW3bLsLVrylDR40vvCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:46.065974Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0606733","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46808edf612ff7864d2569f8f74f1a3db05fb0ebc862283ff8e9ddd929f4b669","sha256:3d6d721b399194045dfca33985d390cd5a7b7014ec53d08983c54257386363b3"],"state_sha256":"c8e5a9748c523019f0f45dee174317c9d87a283b188317e4a51c8820b52fe42a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aX/OF5fOsS04/29LyoQent/wcTiM4FZU3Z5tvSH+HYgFELk9XTin7JuXQ/4DuC69td0TIteUQcrQMXAJq6eZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:36:44.451564Z","bundle_sha256":"9388976de0d1e87d3f2e49bd233399f821beb668a1d25fa5366a310d7b3e17a7"}}