{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SEUPGU3NN6XWSAYR3QI3BFVVXB","short_pith_number":"pith:SEUPGU3N","canonical_record":{"source":{"id":"1705.08071","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-05-23T04:10:10Z","cross_cats_sorted":[],"title_canon_sha256":"4124131f88dc057efd92c4b84677e4a3cc9d0602730dbea1b6cd0833d9fe0433","abstract_canon_sha256":"a32055af4cabe32564ad4e7f1c4e0fa613962be97fa4a91dcc7027f184fada6f"},"schema_version":"1.0"},"canonical_sha256":"9128f3536d6faf690311dc11b096b5b867012ed332614d4c543de4c5d1376d21","source":{"kind":"arxiv","id":"1705.08071","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08071","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08071v3","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08071","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"SEUPGU3NN6XW","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SEUPGU3NN6XWSAYR","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SEUPGU3N","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SEUPGU3NN6XWSAYR3QI3BFVVXB","target":"record","payload":{"canonical_record":{"source":{"id":"1705.08071","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-05-23T04:10:10Z","cross_cats_sorted":[],"title_canon_sha256":"4124131f88dc057efd92c4b84677e4a3cc9d0602730dbea1b6cd0833d9fe0433","abstract_canon_sha256":"a32055af4cabe32564ad4e7f1c4e0fa613962be97fa4a91dcc7027f184fada6f"},"schema_version":"1.0"},"canonical_sha256":"9128f3536d6faf690311dc11b096b5b867012ed332614d4c543de4c5d1376d21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:07.104044Z","signature_b64":"b8+J8FnJ2dVHzN3gRdnRmWeYPYUDxOYNAFJlqdvaieE6iu505PK62/rvmZxNoa1NTYp5q9oQW+6caBzLtnwZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9128f3536d6faf690311dc11b096b5b867012ed332614d4c543de4c5d1376d21","last_reissued_at":"2026-05-18T00:11:07.103268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:07.103268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.08071","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w+zr02AadNRT5GGjYA5rsNDoLzmr2RByGU5DPhzhGkdslkyoowpKLQASryd5YIC99DdvSBPisDAIsUs2TbnBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:17:05.253941Z"},"content_sha256":"6bad99d99092f0ca79470ac4f6e29abb08ed2dbbbaabb4a00e9bbb3d1501e62e","schema_version":"1.0","event_id":"sha256:6bad99d99092f0ca79470ac4f6e29abb08ed2dbbbaabb4a00e9bbb3d1501e62e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SEUPGU3NN6XWSAYR3QI3BFVVXB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exoplanet Biosignatures: Future Directions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Adrian Lenardic, Betul Kacar, Christopher T. Reinhard, Edward W. Schwieterman, Evgenya L. Shkolnik, Harrison B. Smith, Leroy Cronin, Nancy Y. Kiang, Sara I. Walker, Sebastian Danielache, Shawn Domagal-Goldman, Shiladitya DasSarma, William Bains, William Moore","submitted_at":"2017-05-23T04:10:10Z","abstract_excerpt":"Exoplanet science promises a continued rapid accumulation of new observations in the near future, energizing a drive to understand and interpret the forthcoming wealth of data to identify signs of life beyond our Solar System. The large statistics of exoplanet samples, combined with the ambiguity of our understanding of universal properties of life and its signatures, necessitate a quantitative framework for biosignature assessment Here, we introduce a Bayesian framework for guiding future directions in life detection, which permits the possibility of generalizing our search strategy beyond bi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08071","kind":"arxiv","version":3},"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":"2026-05-18T00:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2W8LAc+ol2s5+sS3BZdn0nbvZILsgHNMedtneSTobRfJCZLYLeyhcLmdGvNlUUsOk7PqdB/z+SSIhFx+iHMRAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:17:05.254597Z"},"content_sha256":"bfa37dfde66aec1f54363119d5dca74f806bca02b8edf47804274f2ec069fa7a","schema_version":"1.0","event_id":"sha256:bfa37dfde66aec1f54363119d5dca74f806bca02b8edf47804274f2ec069fa7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB/bundle.json","state_url":"https://pith.science/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB/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":"2026-05-29T16:17:05Z","links":{"resolver":"https://pith.science/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB","bundle":"https://pith.science/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB/bundle.json","state":"https://pith.science/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SEUPGU3NN6XWSAYR3QI3BFVVXB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SEUPGU3NN6XWSAYR3QI3BFVVXB","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":"a32055af4cabe32564ad4e7f1c4e0fa613962be97fa4a91dcc7027f184fada6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-05-23T04:10:10Z","title_canon_sha256":"4124131f88dc057efd92c4b84677e4a3cc9d0602730dbea1b6cd0833d9fe0433"},"schema_version":"1.0","source":{"id":"1705.08071","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08071","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08071v3","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08071","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"SEUPGU3NN6XW","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SEUPGU3NN6XWSAYR","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SEUPGU3N","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:bfa37dfde66aec1f54363119d5dca74f806bca02b8edf47804274f2ec069fa7a","target":"graph","created_at":"2026-05-18T00:11:07Z","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":"Exoplanet science promises a continued rapid accumulation of new observations in the near future, energizing a drive to understand and interpret the forthcoming wealth of data to identify signs of life beyond our Solar System. The large statistics of exoplanet samples, combined with the ambiguity of our understanding of universal properties of life and its signatures, necessitate a quantitative framework for biosignature assessment Here, we introduce a Bayesian framework for guiding future directions in life detection, which permits the possibility of generalizing our search strategy beyond bi","authors_text":"Adrian Lenardic, Betul Kacar, Christopher T. Reinhard, Edward W. Schwieterman, Evgenya L. Shkolnik, Harrison B. Smith, Leroy Cronin, Nancy Y. Kiang, Sara I. Walker, Sebastian Danielache, Shawn Domagal-Goldman, Shiladitya DasSarma, William Bains, William Moore","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-05-23T04:10:10Z","title":"Exoplanet Biosignatures: Future Directions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08071","kind":"arxiv","version":3},"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":"sha256:6bad99d99092f0ca79470ac4f6e29abb08ed2dbbbaabb4a00e9bbb3d1501e62e","target":"record","created_at":"2026-05-18T00:11:07Z","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":"a32055af4cabe32564ad4e7f1c4e0fa613962be97fa4a91dcc7027f184fada6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-05-23T04:10:10Z","title_canon_sha256":"4124131f88dc057efd92c4b84677e4a3cc9d0602730dbea1b6cd0833d9fe0433"},"schema_version":"1.0","source":{"id":"1705.08071","kind":"arxiv","version":3}},"canonical_sha256":"9128f3536d6faf690311dc11b096b5b867012ed332614d4c543de4c5d1376d21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9128f3536d6faf690311dc11b096b5b867012ed332614d4c543de4c5d1376d21","first_computed_at":"2026-05-18T00:11:07.103268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:07.103268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b8+J8FnJ2dVHzN3gRdnRmWeYPYUDxOYNAFJlqdvaieE6iu505PK62/rvmZxNoa1NTYp5q9oQW+6caBzLtnwZDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:07.104044Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.08071","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bad99d99092f0ca79470ac4f6e29abb08ed2dbbbaabb4a00e9bbb3d1501e62e","sha256:bfa37dfde66aec1f54363119d5dca74f806bca02b8edf47804274f2ec069fa7a"],"state_sha256":"e7f9afcd25d2a4f82459355bdb64d26e0ea3300efefc75f5175985140a5e713f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5PT+yGI4JZWxJDRtjNYBqba2g8M5sSYPXBTA2fMZ7k3rGdvF9M5D7EZQPjibkBl0m2UUdewWT/abjkj5P7AXCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T16:17:05.257993Z","bundle_sha256":"7fee96ca5169a7755e0780de8dc12ba4ad4048878ab007994566b43adb3c1d2a"}}