{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HONDNC63AB4YPYDQZHINXEYZN3","short_pith_number":"pith:HONDNC63","canonical_record":{"source":{"id":"1708.05829","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-08-19T10:45:00Z","cross_cats_sorted":[],"title_canon_sha256":"cb4899ecbefc49781afefea2a9aeb41907a7913404fa9c45ecdf7be3405b3ca6","abstract_canon_sha256":"92e6fd445009a0067f5904a1e2a993300b8802f186cb9da2c1b7b575e3d3229f"},"schema_version":"1.0"},"canonical_sha256":"3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12","source":{"kind":"arxiv","id":"1708.05829","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05829","created_at":"2026-05-18T00:37:44Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05829v1","created_at":"2026-05-18T00:37:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05829","created_at":"2026-05-18T00:37:44Z"},{"alias_kind":"pith_short_12","alias_value":"HONDNC63AB4Y","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HONDNC63AB4YPYDQ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HONDNC63","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HONDNC63AB4YPYDQZHINXEYZN3","target":"record","payload":{"canonical_record":{"source":{"id":"1708.05829","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-08-19T10:45:00Z","cross_cats_sorted":[],"title_canon_sha256":"cb4899ecbefc49781afefea2a9aeb41907a7913404fa9c45ecdf7be3405b3ca6","abstract_canon_sha256":"92e6fd445009a0067f5904a1e2a993300b8802f186cb9da2c1b7b575e3d3229f"},"schema_version":"1.0"},"canonical_sha256":"3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:44.106061Z","signature_b64":"PJZWNY/7iBep71xqQFsIPY4USx1S5GN7jwjclO2y+fN96913mzKpcpcS+0WaEFyc2QSmb68cTBoYTPTxOQO4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12","last_reissued_at":"2026-05-18T00:37:44.105487Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:44.105487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.05829","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":"2026-05-18T00:37:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SBp/0k2CHFfqszDGOViJYSRcvsEpQjn4GTCRgCxQ0R+hKR+rSEUfuB998rqSZi59ksDfKczTzGACmQOfFqggAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:26:04.016219Z"},"content_sha256":"b8afe55c7d8d3e9de8f0ced114aa7cb3808840cee906791474dbeb0cb0a1e1ef","schema_version":"1.0","event_id":"sha256:b8afe55c7d8d3e9de8f0ced114aa7cb3808840cee906791474dbeb0cb0a1e1ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HONDNC63AB4YPYDQZHINXEYZN3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exoplanets: Possible Biosignatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"R. Claudi","submitted_at":"2017-08-19T10:45:00Z","abstract_excerpt":"The ancestor philosophers' dream of thousands of new worlds is finally realised: about 3500 extrasolar planets have been discovered in the neighborhood of our Sun. Most of them are very different from those we used to know in our Solar System. Others orbit their parent star inside the belt known as Habitable Zone where a rocky planet with the appropriate climate could have the availability of liquid water on its surface. Those planets, in HZ or not, will be the object of observation that will be performed by new space-/ground-based instrumentation. Space missions, such as JWST and the very rec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05829","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":"2026-05-18T00:37:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eB9C3/FKzLrzit4Y8vvSjJqLx2UNduYEietN2QX6pI40F1GyMQdv7hciCE7/x0GEXVSrXtgHY4uUyHklsoJ9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:26:04.016580Z"},"content_sha256":"4fd3f7a8c86954c78a8885401ed9e529f872f10d10ce7ebec7e2af6b9c9ccff7","schema_version":"1.0","event_id":"sha256:4fd3f7a8c86954c78a8885401ed9e529f872f10d10ce7ebec7e2af6b9c9ccff7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HONDNC63AB4YPYDQZHINXEYZN3/bundle.json","state_url":"https://pith.science/pith/HONDNC63AB4YPYDQZHINXEYZN3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HONDNC63AB4YPYDQZHINXEYZN3/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":"2026-06-07T04:26:04Z","links":{"resolver":"https://pith.science/pith/HONDNC63AB4YPYDQZHINXEYZN3","bundle":"https://pith.science/pith/HONDNC63AB4YPYDQZHINXEYZN3/bundle.json","state":"https://pith.science/pith/HONDNC63AB4YPYDQZHINXEYZN3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HONDNC63AB4YPYDQZHINXEYZN3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HONDNC63AB4YPYDQZHINXEYZN3","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":"92e6fd445009a0067f5904a1e2a993300b8802f186cb9da2c1b7b575e3d3229f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-08-19T10:45:00Z","title_canon_sha256":"cb4899ecbefc49781afefea2a9aeb41907a7913404fa9c45ecdf7be3405b3ca6"},"schema_version":"1.0","source":{"id":"1708.05829","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05829","created_at":"2026-05-18T00:37:44Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05829v1","created_at":"2026-05-18T00:37:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05829","created_at":"2026-05-18T00:37:44Z"},{"alias_kind":"pith_short_12","alias_value":"HONDNC63AB4Y","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HONDNC63AB4YPYDQ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HONDNC63","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:4fd3f7a8c86954c78a8885401ed9e529f872f10d10ce7ebec7e2af6b9c9ccff7","target":"graph","created_at":"2026-05-18T00:37:44Z","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 ancestor philosophers' dream of thousands of new worlds is finally realised: about 3500 extrasolar planets have been discovered in the neighborhood of our Sun. Most of them are very different from those we used to know in our Solar System. Others orbit their parent star inside the belt known as Habitable Zone where a rocky planet with the appropriate climate could have the availability of liquid water on its surface. Those planets, in HZ or not, will be the object of observation that will be performed by new space-/ground-based instrumentation. Space missions, such as JWST and the very rec","authors_text":"R. Claudi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-08-19T10:45:00Z","title":"Exoplanets: Possible Biosignatures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05829","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:b8afe55c7d8d3e9de8f0ced114aa7cb3808840cee906791474dbeb0cb0a1e1ef","target":"record","created_at":"2026-05-18T00:37:44Z","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":"92e6fd445009a0067f5904a1e2a993300b8802f186cb9da2c1b7b575e3d3229f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-08-19T10:45:00Z","title_canon_sha256":"cb4899ecbefc49781afefea2a9aeb41907a7913404fa9c45ecdf7be3405b3ca6"},"schema_version":"1.0","source":{"id":"1708.05829","kind":"arxiv","version":1}},"canonical_sha256":"3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12","first_computed_at":"2026-05-18T00:37:44.105487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:44.105487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PJZWNY/7iBep71xqQFsIPY4USx1S5GN7jwjclO2y+fN96913mzKpcpcS+0WaEFyc2QSmb68cTBoYTPTxOQO4DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:44.106061Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05829","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8afe55c7d8d3e9de8f0ced114aa7cb3808840cee906791474dbeb0cb0a1e1ef","sha256:4fd3f7a8c86954c78a8885401ed9e529f872f10d10ce7ebec7e2af6b9c9ccff7"],"state_sha256":"58221043776747a5f54e964987adedef6d437770880787002b63e7f69f5085f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5akP2uPoWkUoOOXIvjwH7UxjHCy3DcjLqtX0ivMmBDo0PAUtTpLC+w41WEQiUpddw7mPSvkK0CNTOcLhlyNPBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T04:26:04.018491Z","bundle_sha256":"08cc8f8653731761211eee64672445bd6dd288da6dcc8eef3453e49d38178c66"}}