{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:FM5OYR7FXABWYFIJWNYOMFV6MQ","short_pith_number":"pith:FM5OYR7F","canonical_record":{"source":{"id":"0910.4830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-26T08:53:20Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"d0166c82d844fcf9baf0123c6c00836f01f901b1ed4e714f30e29dceb7c02972","abstract_canon_sha256":"c926f04210b0e34a8cd2ac8bf65bae908c9cb77e248e957c640427c483342c74"},"schema_version":"1.0"},"canonical_sha256":"2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4","source":{"kind":"arxiv","id":"0910.4830","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4830","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4830v1","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4830","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"pith_short_12","alias_value":"FM5OYR7FXABW","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"FM5OYR7FXABWYFIJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"FM5OYR7F","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:FM5OYR7FXABWYFIJWNYOMFV6MQ","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-26T08:53:20Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"d0166c82d844fcf9baf0123c6c00836f01f901b1ed4e714f30e29dceb7c02972","abstract_canon_sha256":"c926f04210b0e34a8cd2ac8bf65bae908c9cb77e248e957c640427c483342c74"},"schema_version":"1.0"},"canonical_sha256":"2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:11.513533Z","signature_b64":"BgCOCh/tjGZduXKPNCwlL2e97nBG0i9Gvx+MmiQqTdcdCuNxsEvVzs90LVhY74M5LXn13g8XFO+rUw4qCnKTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4","last_reissued_at":"2026-05-18T02:11:11.512739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:11.512739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4830","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":"2026-05-18T02:11:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aO2JyQKGVTgLYoLEkrS/TwjrknL6gZrW8GqdqilbPlKJqcyc3akqS1A8afw6heIYusmqsWHCozDJ+chLQx21AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:46:51.821977Z"},"content_sha256":"106d3c41ba836b8e184110f76f4be45227d61ef00c96624cc377f334d2563cc4","schema_version":"1.0","event_id":"sha256:106d3c41ba836b8e184110f76f4be45227d61ef00c96624cc377f334d2563cc4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:FM5OYR7FXABWYFIJWNYOMFV6MQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surviving on Mars: test with LISA simulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"F. Castellani, G. Bertoloni, G. Galletta, M. D'Alessandro, R. Visentin","submitted_at":"2009-10-26T08:53:20Z","abstract_excerpt":"We present the biological results of some experiments performed in the Padua simulators of planetary environments, named LISA, used to study the limit of bacterial life on the planet Mars. The survival of Bacillus strains for some hours in Martian environment is shortly discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4830","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":"2026-05-18T02:11:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"17REiqww58+ZHUgp/MN7uRwnPr1dkrFzqF8w5ZV4u+ZwgT7axiU18HS8XRI72oPP39eRb+RXvWH1YR63ASIKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:46:51.822347Z"},"content_sha256":"54fc71701e516b803b264922a91b3288ce20bebb6f6fa3796c4cfc3b21592db6","schema_version":"1.0","event_id":"sha256:54fc71701e516b803b264922a91b3288ce20bebb6f6fa3796c4cfc3b21592db6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ/bundle.json","state_url":"https://pith.science/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ/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":"2026-06-03T12:46:51Z","links":{"resolver":"https://pith.science/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ","bundle":"https://pith.science/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ/bundle.json","state":"https://pith.science/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FM5OYR7FXABWYFIJWNYOMFV6MQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:FM5OYR7FXABWYFIJWNYOMFV6MQ","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":"c926f04210b0e34a8cd2ac8bf65bae908c9cb77e248e957c640427c483342c74","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-26T08:53:20Z","title_canon_sha256":"d0166c82d844fcf9baf0123c6c00836f01f901b1ed4e714f30e29dceb7c02972"},"schema_version":"1.0","source":{"id":"0910.4830","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4830","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4830v1","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4830","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"pith_short_12","alias_value":"FM5OYR7FXABW","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"FM5OYR7FXABWYFIJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"FM5OYR7F","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:54fc71701e516b803b264922a91b3288ce20bebb6f6fa3796c4cfc3b21592db6","target":"graph","created_at":"2026-05-18T02:11:11Z","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":"We present the biological results of some experiments performed in the Padua simulators of planetary environments, named LISA, used to study the limit of bacterial life on the planet Mars. The survival of Bacillus strains for some hours in Martian environment is shortly discussed.","authors_text":"F. Castellani, G. Bertoloni, G. Galletta, M. D'Alessandro, R. Visentin","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-26T08:53:20Z","title":"Surviving on Mars: test with LISA simulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4830","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":"sha256:106d3c41ba836b8e184110f76f4be45227d61ef00c96624cc377f334d2563cc4","target":"record","created_at":"2026-05-18T02:11:11Z","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":"c926f04210b0e34a8cd2ac8bf65bae908c9cb77e248e957c640427c483342c74","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-26T08:53:20Z","title_canon_sha256":"d0166c82d844fcf9baf0123c6c00836f01f901b1ed4e714f30e29dceb7c02972"},"schema_version":"1.0","source":{"id":"0910.4830","kind":"arxiv","version":1}},"canonical_sha256":"2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4","first_computed_at":"2026-05-18T02:11:11.512739Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:11.512739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BgCOCh/tjGZduXKPNCwlL2e97nBG0i9Gvx+MmiQqTdcdCuNxsEvVzs90LVhY74M5LXn13g8XFO+rUw4qCnKTCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:11.513533Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4830","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:106d3c41ba836b8e184110f76f4be45227d61ef00c96624cc377f334d2563cc4","sha256:54fc71701e516b803b264922a91b3288ce20bebb6f6fa3796c4cfc3b21592db6"],"state_sha256":"8bd8d6eddad828c21f975c523c75e8bc537962cfa25e3b9ebb10c6b2131bf147"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jU5XmgCBvV40KlOrSyfBaUz3vdzEuUy/+yv3/munXKLMlLHwkSKL1fGdR7vhxKVxRGkR3hI9xCAJuffLu0vIDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:46:51.824286Z","bundle_sha256":"c4ba73deb62f0acb70d24f30726a20917bf2780b361ad2a003903d08e77efa6e"}}