{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BPZW4NYQEN4A2KH2JRQS4VVSR4","short_pith_number":"pith:BPZW4NYQ","canonical_record":{"source":{"id":"1304.6127","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-04-22T22:50:48Z","cross_cats_sorted":[],"title_canon_sha256":"504764db92b4759a6a0d5a227a875bfa53c496dfd90a83e937a86e570a156f80","abstract_canon_sha256":"971b1ebe783d483b6c5ec26e7f0fdd340e5b726e1566528961128f76117df7e7"},"schema_version":"1.0"},"canonical_sha256":"0bf36e371023780d28fa4c612e56b28f0b4ae094409759e4ae7fdd55320e297f","source":{"kind":"arxiv","id":"1304.6127","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6127","created_at":"2026-05-18T01:50:23Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6127v1","created_at":"2026-05-18T01:50:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6127","created_at":"2026-05-18T01:50:23Z"},{"alias_kind":"pith_short_12","alias_value":"BPZW4NYQEN4A","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BPZW4NYQEN4A2KH2","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BPZW4NYQ","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BPZW4NYQEN4A2KH2JRQS4VVSR4","target":"record","payload":{"canonical_record":{"source":{"id":"1304.6127","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-04-22T22:50:48Z","cross_cats_sorted":[],"title_canon_sha256":"504764db92b4759a6a0d5a227a875bfa53c496dfd90a83e937a86e570a156f80","abstract_canon_sha256":"971b1ebe783d483b6c5ec26e7f0fdd340e5b726e1566528961128f76117df7e7"},"schema_version":"1.0"},"canonical_sha256":"0bf36e371023780d28fa4c612e56b28f0b4ae094409759e4ae7fdd55320e297f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:23.284053Z","signature_b64":"i+dj4/bsCH9X3+Vl8aufKO/ADbUJVu2NDg5++AyLx+4C1z4TSzji/YCpjBzDx/KlqdAwKAzqH3HM+acraOe0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bf36e371023780d28fa4c612e56b28f0b4ae094409759e4ae7fdd55320e297f","last_reissued_at":"2026-05-18T01:50:23.283352Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:23.283352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.6127","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":"2026-05-18T01:50:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WeGxA1Q6c/l1W3BJ7nfntyfnLwq4mHzcdkCm3MQP7XcSPZNvD/hknaprO8f+RVyt4LTBMJeDBzgJTwGy50GDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:09:37.830585Z"},"content_sha256":"345a53cb3f8d16d0bb7f8e5adeb551e5eff7be09d58b3f3b55231884985b224e","schema_version":"1.0","event_id":"sha256:345a53cb3f8d16d0bb7f8e5adeb551e5eff7be09d58b3f3b55231884985b224e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BPZW4NYQEN4A2KH2JRQS4VVSR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The potential for photosynthesis in hydrothermal vents: a new avenue for life in the Universe?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Michel Leiva-Mora, Noel Perez, Osmel Martin, Rolando Cardenas","submitted_at":"2013-04-22T22:50:48Z","abstract_excerpt":"We perform a quantitative assessment for the potential for photosynthesis in hydrothermal vents in the deep ocean. The photosynthetically active radiation in this case is from geothermal origin: the infrared thermal radiation emitted by hot water, at temperatures ranging from 473 up to 673 K. We find that at these temperatures the photosynthetic potential is rather low in these ecosystems for most known species. However, species which a very high efficiency in the use of light and which could use infrared photons till 1300nm, could achieve good rates of photosynthesis in hydrothermal vents. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6127","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":"2026-05-18T01:50:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bu1LZ7vY7smu/s+VFkDK+P9o6w67mZInlf+p2FiDuo+rU5t+/0spkxyEytrhMlpcbAZMFcXBwC1aIZLc3W5fCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:09:37.830946Z"},"content_sha256":"a61558512842ea32d636bc820f83cc0bf9c4c246381199f8e73ce274575e801f","schema_version":"1.0","event_id":"sha256:a61558512842ea32d636bc820f83cc0bf9c4c246381199f8e73ce274575e801f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4/bundle.json","state_url":"https://pith.science/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4/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":"2026-05-30T16:09:37Z","links":{"resolver":"https://pith.science/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4","bundle":"https://pith.science/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4/bundle.json","state":"https://pith.science/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPZW4NYQEN4A2KH2JRQS4VVSR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BPZW4NYQEN4A2KH2JRQS4VVSR4","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":"971b1ebe783d483b6c5ec26e7f0fdd340e5b726e1566528961128f76117df7e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-04-22T22:50:48Z","title_canon_sha256":"504764db92b4759a6a0d5a227a875bfa53c496dfd90a83e937a86e570a156f80"},"schema_version":"1.0","source":{"id":"1304.6127","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6127","created_at":"2026-05-18T01:50:23Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6127v1","created_at":"2026-05-18T01:50:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6127","created_at":"2026-05-18T01:50:23Z"},{"alias_kind":"pith_short_12","alias_value":"BPZW4NYQEN4A","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BPZW4NYQEN4A2KH2","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BPZW4NYQ","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:a61558512842ea32d636bc820f83cc0bf9c4c246381199f8e73ce274575e801f","target":"graph","created_at":"2026-05-18T01:50:23Z","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 perform a quantitative assessment for the potential for photosynthesis in hydrothermal vents in the deep ocean. The photosynthetically active radiation in this case is from geothermal origin: the infrared thermal radiation emitted by hot water, at temperatures ranging from 473 up to 673 K. We find that at these temperatures the photosynthetic potential is rather low in these ecosystems for most known species. However, species which a very high efficiency in the use of light and which could use infrared photons till 1300nm, could achieve good rates of photosynthesis in hydrothermal vents. Th","authors_text":"Michel Leiva-Mora, Noel Perez, Osmel Martin, Rolando Cardenas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-04-22T22:50:48Z","title":"The potential for photosynthesis in hydrothermal vents: a new avenue for life in the Universe?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6127","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":"sha256:345a53cb3f8d16d0bb7f8e5adeb551e5eff7be09d58b3f3b55231884985b224e","target":"record","created_at":"2026-05-18T01:50:23Z","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":"971b1ebe783d483b6c5ec26e7f0fdd340e5b726e1566528961128f76117df7e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-04-22T22:50:48Z","title_canon_sha256":"504764db92b4759a6a0d5a227a875bfa53c496dfd90a83e937a86e570a156f80"},"schema_version":"1.0","source":{"id":"1304.6127","kind":"arxiv","version":1}},"canonical_sha256":"0bf36e371023780d28fa4c612e56b28f0b4ae094409759e4ae7fdd55320e297f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bf36e371023780d28fa4c612e56b28f0b4ae094409759e4ae7fdd55320e297f","first_computed_at":"2026-05-18T01:50:23.283352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:23.283352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i+dj4/bsCH9X3+Vl8aufKO/ADbUJVu2NDg5++AyLx+4C1z4TSzji/YCpjBzDx/KlqdAwKAzqH3HM+acraOe0AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:23.284053Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.6127","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:345a53cb3f8d16d0bb7f8e5adeb551e5eff7be09d58b3f3b55231884985b224e","sha256:a61558512842ea32d636bc820f83cc0bf9c4c246381199f8e73ce274575e801f"],"state_sha256":"525515e0516528cb53040dd5ec87484f66bf65be97a37b840fe166e06604661b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mYxFFXUlOjgpohYkqhna01BvG4Rq3WsaT5V3+jfmYiGor48DAKLpKCH5KUHKJs7Z/KPcmYsDUNGX27DoWgfgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:09:37.833799Z","bundle_sha256":"16dff93c274f00da801502e846ba0d0027ff67364ef9e94d841096022c049ead"}}