{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LZTC62OP45H4GVP7GYUO34OSFA","short_pith_number":"pith:LZTC62OP","canonical_record":{"source":{"id":"1012.2589","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2010-12-12T21:10:14Z","cross_cats_sorted":["physics.pop-ph","physics.soc-ph"],"title_canon_sha256":"712b5a55fd1086a9ccdc2e3d89394fbfe5ca193a46897b30c1af18fc0d0193f5","abstract_canon_sha256":"36e1c43a86a0d2f7b20a14187546a83e9e53118068d67142a7b119905eab1faa"},"schema_version":"1.0"},"canonical_sha256":"5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a","source":{"kind":"arxiv","id":"1012.2589","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2589","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2589v1","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2589","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"LZTC62OP45H4","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LZTC62OP45H4GVP7","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LZTC62OP","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LZTC62OP45H4GVP7GYUO34OSFA","target":"record","payload":{"canonical_record":{"source":{"id":"1012.2589","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2010-12-12T21:10:14Z","cross_cats_sorted":["physics.pop-ph","physics.soc-ph"],"title_canon_sha256":"712b5a55fd1086a9ccdc2e3d89394fbfe5ca193a46897b30c1af18fc0d0193f5","abstract_canon_sha256":"36e1c43a86a0d2f7b20a14187546a83e9e53118068d67142a7b119905eab1faa"},"schema_version":"1.0"},"canonical_sha256":"5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:28.255024Z","signature_b64":"ZunRdoToAXdTvva8IDg5OevGyoGBzTk2wTwxwwV7MBi2x5h+WlCCg0zPUQK/TlKNqJ6Q7LmlsKxxQatNWgToAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a","last_reissued_at":"2026-05-18T04:33:28.254555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:28.254555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.2589","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":"2026-05-18T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xfxrb83JquPwXIQkzgSZtTvYkmH/nzGkjCJvE4K/XQpXmdNRBAyPeeuilHFTUfemJXyhLWgpIC3yYsGx2oVjAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:08:00.619966Z"},"content_sha256":"bdcdc239216ee61ffdc3b3d48e0495fc2d0cf61f1dc6c1c3683bfced74354cb3","schema_version":"1.0","event_id":"sha256:bdcdc239216ee61ffdc3b3d48e0495fc2d0cf61f1dc6c1c3683bfced74354cb3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LZTC62OP45H4GVP7GYUO34OSFA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A brief social history of astrobiology in Ibero-america","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.pop-ph","physics.soc-ph"],"primary_cat":"physics.hist-ph","authors_text":"Guillermo A. Lemarchand","submitted_at":"2010-12-12T21:10:14Z","abstract_excerpt":"The work is divided into three sections: the first one describes the historical evolution of the main arguments presented about the plurality of inhabited worlds, from the presocratics to the birth of modern science. The second section analyzes the race to define the search for life beyond Earth as a scientific activity under a specific name. Finally, the third part presents a brief description of the social history of science that allowed the early development of astrobiology in Iberoamerica."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2589","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":"2026-05-18T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i/gQMyN9gvleWfODg3swV3M7wOKHLoLsykV02XuYIJEFKx6ahWdY+cjHfh3rChL3szS+pocDlW/B0Me95KOdAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:08:00.620311Z"},"content_sha256":"7b264bf06e0bef714a28aac406201dbaa4b13f85c7ed71fde68af6866423f462","schema_version":"1.0","event_id":"sha256:7b264bf06e0bef714a28aac406201dbaa4b13f85c7ed71fde68af6866423f462"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LZTC62OP45H4GVP7GYUO34OSFA/bundle.json","state_url":"https://pith.science/pith/LZTC62OP45H4GVP7GYUO34OSFA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LZTC62OP45H4GVP7GYUO34OSFA/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":"2026-06-20T07:08:00Z","links":{"resolver":"https://pith.science/pith/LZTC62OP45H4GVP7GYUO34OSFA","bundle":"https://pith.science/pith/LZTC62OP45H4GVP7GYUO34OSFA/bundle.json","state":"https://pith.science/pith/LZTC62OP45H4GVP7GYUO34OSFA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LZTC62OP45H4GVP7GYUO34OSFA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LZTC62OP45H4GVP7GYUO34OSFA","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":"36e1c43a86a0d2f7b20a14187546a83e9e53118068d67142a7b119905eab1faa","cross_cats_sorted":["physics.pop-ph","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2010-12-12T21:10:14Z","title_canon_sha256":"712b5a55fd1086a9ccdc2e3d89394fbfe5ca193a46897b30c1af18fc0d0193f5"},"schema_version":"1.0","source":{"id":"1012.2589","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2589","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2589v1","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2589","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"LZTC62OP45H4","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LZTC62OP45H4GVP7","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LZTC62OP","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:7b264bf06e0bef714a28aac406201dbaa4b13f85c7ed71fde68af6866423f462","target":"graph","created_at":"2026-05-18T04:33:28Z","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 work is divided into three sections: the first one describes the historical evolution of the main arguments presented about the plurality of inhabited worlds, from the presocratics to the birth of modern science. The second section analyzes the race to define the search for life beyond Earth as a scientific activity under a specific name. Finally, the third part presents a brief description of the social history of science that allowed the early development of astrobiology in Iberoamerica.","authors_text":"Guillermo A. Lemarchand","cross_cats":["physics.pop-ph","physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2010-12-12T21:10:14Z","title":"A brief social history of astrobiology in Ibero-america"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2589","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:bdcdc239216ee61ffdc3b3d48e0495fc2d0cf61f1dc6c1c3683bfced74354cb3","target":"record","created_at":"2026-05-18T04:33:28Z","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":"36e1c43a86a0d2f7b20a14187546a83e9e53118068d67142a7b119905eab1faa","cross_cats_sorted":["physics.pop-ph","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2010-12-12T21:10:14Z","title_canon_sha256":"712b5a55fd1086a9ccdc2e3d89394fbfe5ca193a46897b30c1af18fc0d0193f5"},"schema_version":"1.0","source":{"id":"1012.2589","kind":"arxiv","version":1}},"canonical_sha256":"5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a","first_computed_at":"2026-05-18T04:33:28.254555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:28.254555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZunRdoToAXdTvva8IDg5OevGyoGBzTk2wTwxwwV7MBi2x5h+WlCCg0zPUQK/TlKNqJ6Q7LmlsKxxQatNWgToAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:28.255024Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.2589","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdcdc239216ee61ffdc3b3d48e0495fc2d0cf61f1dc6c1c3683bfced74354cb3","sha256:7b264bf06e0bef714a28aac406201dbaa4b13f85c7ed71fde68af6866423f462"],"state_sha256":"44620d2fc0c82bb62906e9f8895c67b8e41ee1e80adf740ccffbdd13176d8e3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fdieZz0krWuEMELSG/2DYj6FfKNLZU72lwcgpbebZlHzgi1EwvGSatuxkWcXWrp8WncqhWH1dCVTOSZedAtnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T07:08:00.622217Z","bundle_sha256":"cc51ebfc6d331e5fe440337d8285e95999419d7212d6a70aaa8335dea2ba004e"}}