{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:GGPVZTGSOHVARNAWFZ6FDTOMFW","short_pith_number":"pith:GGPVZTGS","schema_version":"1.0","canonical_sha256":"319f5cccd271ea08b4162e7c51cdcc2d9562c658cc2bb42476c2f254afdb8cda","source":{"kind":"arxiv","id":"1511.04936","version":1},"attestation_state":"computed","paper":{"title":"Ultrafast Energy Relaxation in Single Light-Harvesting Complexes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.bio-ph","authors_text":"2), (2) Charles University in Prague, (3) University of Glasgow, Czech Republic, J. Michael Gruber (1), Pavel Mal\\'y (1, Richard J. Cogdell (3), Rienk van Grondelle (1) ((1) Vrije Universiteit Amsterdam, The Netherlands, Tom\\'a\\v{s} Man\\v{c}al (2), United Kingdom)","submitted_at":"2015-11-16T12:47:44Z","abstract_excerpt":"Energy relaxation in light-harvesting complexes has been extensively studied by various ultrafast spectroscopic techniques, the fastest processes being in the sub-100 fs range. At the same time much slower dynamics have been observed in individual complexes by single-molecule fluorescence spectroscopy (SMS). In this work we employ a pump-probe type SMS technique to observe the ultrafast energy relaxation in single light-harvesting complexes LH2 of purple bacteria. After excitation at 800 nm, the measured relaxation time distribution of multiple complexes has a peak at 95 fs and is asymmetric, "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1511.04936","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-11-16T12:47:44Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"ff747e71f9882d3ad7329f12e27371e095743f49a0d1cef90149f3c97f0427c1","abstract_canon_sha256":"79e73ba68667d1b7e69eefc082d57946cc342cf7d59863a87911b41f22504d25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:17.182548Z","signature_b64":"EH4O4hyhGrZzioBQhf9DxZQjwysLc9Uwuq1mx+4mMAI8X/2eg6dSKQwXOO//GagJ+wA3+JG6Ob9OZ52dEmbaCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"319f5cccd271ea08b4162e7c51cdcc2d9562c658cc2bb42476c2f254afdb8cda","last_reissued_at":"2026-05-18T01:16:17.182054Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:17.182054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultrafast Energy Relaxation in Single Light-Harvesting Complexes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.bio-ph","authors_text":"2), (2) Charles University in Prague, (3) University of Glasgow, Czech Republic, J. Michael Gruber (1), Pavel Mal\\'y (1, Richard J. Cogdell (3), Rienk van Grondelle (1) ((1) Vrije Universiteit Amsterdam, The Netherlands, Tom\\'a\\v{s} Man\\v{c}al (2), United Kingdom)","submitted_at":"2015-11-16T12:47:44Z","abstract_excerpt":"Energy relaxation in light-harvesting complexes has been extensively studied by various ultrafast spectroscopic techniques, the fastest processes being in the sub-100 fs range. At the same time much slower dynamics have been observed in individual complexes by single-molecule fluorescence spectroscopy (SMS). In this work we employ a pump-probe type SMS technique to observe the ultrafast energy relaxation in single light-harvesting complexes LH2 of purple bacteria. After excitation at 800 nm, the measured relaxation time distribution of multiple complexes has a peak at 95 fs and is asymmetric, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04936","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1511.04936","created_at":"2026-05-18T01:16:17.182135+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.04936v1","created_at":"2026-05-18T01:16:17.182135+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04936","created_at":"2026-05-18T01:16:17.182135+00:00"},{"alias_kind":"pith_short_12","alias_value":"GGPVZTGSOHVA","created_at":"2026-05-18T12:29:22.688609+00:00"},{"alias_kind":"pith_short_16","alias_value":"GGPVZTGSOHVARNAW","created_at":"2026-05-18T12:29:22.688609+00:00"},{"alias_kind":"pith_short_8","alias_value":"GGPVZTGS","created_at":"2026-05-18T12:29:22.688609+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW","json":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW.json","graph_json":"https://pith.science/api/pith-number/GGPVZTGSOHVARNAWFZ6FDTOMFW/graph.json","events_json":"https://pith.science/api/pith-number/GGPVZTGSOHVARNAWFZ6FDTOMFW/events.json","paper":"https://pith.science/paper/GGPVZTGS"},"agent_actions":{"view_html":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW","download_json":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW.json","view_paper":"https://pith.science/paper/GGPVZTGS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.04936&json=true","fetch_graph":"https://pith.science/api/pith-number/GGPVZTGSOHVARNAWFZ6FDTOMFW/graph.json","fetch_events":"https://pith.science/api/pith-number/GGPVZTGSOHVARNAWFZ6FDTOMFW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW/action/storage_attestation","attest_author":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW/action/author_attestation","sign_citation":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW/action/citation_signature","submit_replication":"https://pith.science/pith/GGPVZTGSOHVARNAWFZ6FDTOMFW/action/replication_record"}},"created_at":"2026-05-18T01:16:17.182135+00:00","updated_at":"2026-05-18T01:16:17.182135+00:00"}