{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ROLBRKH4HTYMYN666TMQDIH46J","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":"8a03f52644e2fae05b4bedeaf5e1cca317d62fcc433c5904d48029895e0c42a7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-01-06T15:03:12Z","title_canon_sha256":"8d5177c97e534c77d3628ad244951e71938ff7618e10c418cb564d8b0c8fe42c"},"schema_version":"1.0","source":{"id":"1501.01192","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01192","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01192v1","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01192","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"pith_short_12","alias_value":"ROLBRKH4HTYM","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"ROLBRKH4HTYMYN66","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"ROLBRKH4","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:7731e21d54b61f043a7cf80e24df6c084c5dbe6d8bf3697f39d1cf671f55e2c5","target":"graph","created_at":"2026-05-18T01:41:14Z","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 energy transfer processes and coherent phenomena in the fucoxanthin-chlorophyll protein complex, which is responsible for the light harvesting function in marine algae diatoms, were investigated at 77 K by using two-dimensional electronic spectroscopy. Experiments performed on the femtosecond and picosecond timescales led to separation of spectral dynamics, witnessing evolutions of coherence and population states of the system in the spectral region of ${\\rm Q}_{y}$ transitions of chlorophylls $a$ and $c$. Analysis of the coherence dynamics allowed us to identify chlorophyll (Chl) $a$ and ","authors_text":"Andrew Gall, Andrius Gelzinis, Bruno Robert, Claudia B\\\"uchel, Darius Abramavicius, Donatas Zigmantas, Leonas Valkunas, Ram\\=unas Augulis, Vytautas Butkus","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-01-06T15:03:12Z","title":"Coherence and population dynamics of chlorophyll excitations in FCP complex: Two-dimensional spectroscopy study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01192","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:fb91e4c571af5b7ea322ff1d09971546ecb889490128add7eb1ef6c4ae11db5e","target":"record","created_at":"2026-05-18T01:41:14Z","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":"8a03f52644e2fae05b4bedeaf5e1cca317d62fcc433c5904d48029895e0c42a7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-01-06T15:03:12Z","title_canon_sha256":"8d5177c97e534c77d3628ad244951e71938ff7618e10c418cb564d8b0c8fe42c"},"schema_version":"1.0","source":{"id":"1501.01192","kind":"arxiv","version":1}},"canonical_sha256":"8b9618a8fc3cf0cc37def4d901a0fcf2782d89dff8bcf71d4be9c83ceaa556d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b9618a8fc3cf0cc37def4d901a0fcf2782d89dff8bcf71d4be9c83ceaa556d4","first_computed_at":"2026-05-18T01:41:14.298279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:14.298279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X23/EnEA1Be9IWKA36OuSfGNKzyx1PIVdbJkJL5LRy7bwBvkIWQdzJdemZ79FpwPkGfK+/lXUDVO+J3G6sTlAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:14.298732Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01192","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb91e4c571af5b7ea322ff1d09971546ecb889490128add7eb1ef6c4ae11db5e","sha256:7731e21d54b61f043a7cf80e24df6c084c5dbe6d8bf3697f39d1cf671f55e2c5"],"state_sha256":"08b2ce588e5037d128936f8ea0a74d87641665f3c5de9fa127371a6aacda67d8"}