{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7JDUCL7L7XHJKVYGMTWGSM2LUQ","short_pith_number":"pith:7JDUCL7L","canonical_record":{"source":{"id":"1401.3267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-01-11T00:13:45Z","cross_cats_sorted":["q-bio.OT"],"title_canon_sha256":"250356f184e30d6a51e3931c9a96729e089f5b53d1629e80273dc336cab68a7a","abstract_canon_sha256":"db0663058ecd56624cf3af3a385125b983c74ac1de7b48fade0e6aeed090016d"},"schema_version":"1.0"},"canonical_sha256":"fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d","source":{"kind":"arxiv","id":"1401.3267","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3267","created_at":"2026-05-18T03:02:19Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3267v1","created_at":"2026-05-18T03:02:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3267","created_at":"2026-05-18T03:02:19Z"},{"alias_kind":"pith_short_12","alias_value":"7JDUCL7L7XHJ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7JDUCL7L7XHJKVYG","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7JDUCL7L","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7JDUCL7L7XHJKVYGMTWGSM2LUQ","target":"record","payload":{"canonical_record":{"source":{"id":"1401.3267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-01-11T00:13:45Z","cross_cats_sorted":["q-bio.OT"],"title_canon_sha256":"250356f184e30d6a51e3931c9a96729e089f5b53d1629e80273dc336cab68a7a","abstract_canon_sha256":"db0663058ecd56624cf3af3a385125b983c74ac1de7b48fade0e6aeed090016d"},"schema_version":"1.0"},"canonical_sha256":"fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:19.040653Z","signature_b64":"tjkvU0IqWMWh4+jtF7DWBGUGq1u3/13uHx5H0LTtPs7JI9RiO5M23lHdwTH+C01RGXAA40QATkpSlGw3S6r0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d","last_reissued_at":"2026-05-18T03:02:19.039807Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:19.039807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.3267","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":"2026-05-18T03:02:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wIqmgrCWQqcDO0GEC82CuWUvABYjvMrZqyZrnIr38gsko7uVKx9rxkkpFmJsnaA57qVNzuSJuSZgCeC5nv1ODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:01:43.294961Z"},"content_sha256":"8943ac0edc87e5c2ad0c918a85771bea3222046f6963b17efb6c429eb3d5ee50","schema_version":"1.0","event_id":"sha256:8943ac0edc87e5c2ad0c918a85771bea3222046f6963b17efb6c429eb3d5ee50"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7JDUCL7L7XHJKVYGMTWGSM2LUQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the habitability of exoplanets orbiting Proxima Centauri","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.OT"],"primary_cat":"astro-ph.EP","authors_text":"Lien Rodriguez, Madeleine Lopez, Rolando Cardenas","submitted_at":"2014-01-11T00:13:45Z","abstract_excerpt":"We apply a mathematical model for photosynthesis to quantitatively assess the habitability of a hypothetical planet orbiting Proxima Centauri, inside the so called habitability zone. Results suggest significant viability for primary biological productivity, provided living organisms have evolved to reach the ability of using infrared light for photosynthesis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3267","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":"2026-05-18T03:02:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JwXfxFjQ4kxFMKglA4sPPEnnvIUghjqt4RTX3Xn0DUt98IB2xZMQXoYkPZzQKOX3W2sj1fb/kUhKqYBxmJaOBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:01:43.295640Z"},"content_sha256":"de7807947804b2fbaed45b8f82e00c3ed13c6e2c71ec2f3952daae5a167a5ec6","schema_version":"1.0","event_id":"sha256:de7807947804b2fbaed45b8f82e00c3ed13c6e2c71ec2f3952daae5a167a5ec6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ/bundle.json","state_url":"https://pith.science/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ/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":"2026-05-28T04:01:43Z","links":{"resolver":"https://pith.science/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ","bundle":"https://pith.science/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ/bundle.json","state":"https://pith.science/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7JDUCL7L7XHJKVYGMTWGSM2LUQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7JDUCL7L7XHJKVYGMTWGSM2LUQ","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":"db0663058ecd56624cf3af3a385125b983c74ac1de7b48fade0e6aeed090016d","cross_cats_sorted":["q-bio.OT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-01-11T00:13:45Z","title_canon_sha256":"250356f184e30d6a51e3931c9a96729e089f5b53d1629e80273dc336cab68a7a"},"schema_version":"1.0","source":{"id":"1401.3267","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3267","created_at":"2026-05-18T03:02:19Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3267v1","created_at":"2026-05-18T03:02:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3267","created_at":"2026-05-18T03:02:19Z"},{"alias_kind":"pith_short_12","alias_value":"7JDUCL7L7XHJ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7JDUCL7L7XHJKVYG","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7JDUCL7L","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:de7807947804b2fbaed45b8f82e00c3ed13c6e2c71ec2f3952daae5a167a5ec6","target":"graph","created_at":"2026-05-18T03:02:19Z","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 apply a mathematical model for photosynthesis to quantitatively assess the habitability of a hypothetical planet orbiting Proxima Centauri, inside the so called habitability zone. Results suggest significant viability for primary biological productivity, provided living organisms have evolved to reach the ability of using infrared light for photosynthesis.","authors_text":"Lien Rodriguez, Madeleine Lopez, Rolando Cardenas","cross_cats":["q-bio.OT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-01-11T00:13:45Z","title":"On the habitability of exoplanets orbiting Proxima Centauri"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3267","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":"sha256:8943ac0edc87e5c2ad0c918a85771bea3222046f6963b17efb6c429eb3d5ee50","target":"record","created_at":"2026-05-18T03:02:19Z","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":"db0663058ecd56624cf3af3a385125b983c74ac1de7b48fade0e6aeed090016d","cross_cats_sorted":["q-bio.OT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-01-11T00:13:45Z","title_canon_sha256":"250356f184e30d6a51e3931c9a96729e089f5b53d1629e80273dc336cab68a7a"},"schema_version":"1.0","source":{"id":"1401.3267","kind":"arxiv","version":1}},"canonical_sha256":"fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d","first_computed_at":"2026-05-18T03:02:19.039807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:19.039807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tjkvU0IqWMWh4+jtF7DWBGUGq1u3/13uHx5H0LTtPs7JI9RiO5M23lHdwTH+C01RGXAA40QATkpSlGw3S6r0AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:19.040653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.3267","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8943ac0edc87e5c2ad0c918a85771bea3222046f6963b17efb6c429eb3d5ee50","sha256:de7807947804b2fbaed45b8f82e00c3ed13c6e2c71ec2f3952daae5a167a5ec6"],"state_sha256":"b4891c476550fae3acce057949a727ef8d79e9247a9af84f1a2a8d7753ddd08c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QcQTAB/CqdJDpPFOjW4uW2XZ/eRbh+JvjW1eO6ZgqJS5Fcdtw/BTkellsUn/WYu4weDvn2gxUS/7LZqydE0MCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T04:01:43.298617Z","bundle_sha256":"632a80ad59e635a0f2ae49d3a22d9b176c3fb40015dd97407da64c12cc4fed7f"}}